The Central Valley Corvette Club was
chartered in 1991 for the owners of the only
real AMERICAN sports car, the awesome
CORVETTE. It's a social organization with
activities that provide enjoyment for the true
MONTHLY MEETINGS ARE HELD
AT 6.30 P.M. ON THE 3 RD TUESDAY
OF EVERY MONTH AT YOSEMITE
FALLS CAFE, 4278 W. ASHLAN AVE,
FRESNO CALIFORNIA. INTERESTED
CORVETTE ENTHUSIATS ARE
MORE THAN WELCOME TO
ATTEND THE MEETINGS AND MEET
Club activities include monthly meetings,
car shows, weekend Club activities,
overnighters, picnics, road rallies, summer
cruises, holiday get-to-gathers and more!
Eligibility for membership in CVC is
defined in Article III, section 1 of the
bylaws in part as follows: "Membership in
Central Valley Corvettes shall be open to all
Corvette owners who are sponsored by a
member in good standing. Additionally, a
prospective member must, within a three
month period , attend two consecutive
meetings, participate in two club sanctioned
social activities, pay current membership
dues and initiation fees, and be approved by
two- thirds vote of membership present at
any general membership meeting by secret
Sponsors shall be responsible for advising
prospective member of results. All members
must submit proof of personal insurance in
accordance with California State Law upon
application for membership, and all
members must be a member of the
association providing club liability insurance
for CENTRAL VALLEY CORVETTES.
A prospective member who does not have a
sponsor will be provided one by the
membership committee. Non-members may
not participate in more than three meetings
or two sanctioned activities.
CVC membership dues are $67.00 plus an
initiation fee of $35.00. Membership entitles
two members at the same address voting
privileges at meetings (provided they are in
good standing) and membership rights.
Please feel free to contact the membership
chairperson, Dick Danielsen (559) 298-5229
or any officer on the following page.
Gary Pflepsen (Jan)
Skip Severance (LeighAnn)
VP-PUBLIC RELATIONS/ MEMBERSHIP
Dick Danielsen (Ruthie)
Debby Anderson (Terry)
Mike Lebda (Mary)
Craig Hansen (Pam)
Chuck Laningham (Linda)
Susan Walker (Del)
Charlie Fosnaugh (Kim)
Speaking of runs, the club is doing a good
job coming up with runs for the New Year.
Be sure to come to the general meetings
and sign up for them. I am planning on
doing the Mystery Run October 25-29 th and
hope to keep the cost at around $800 per
couple. More to follow.
It’s been one year since we went to the
electronic format for our newsletter and I
hope everyone is going online and checking it
out every month. We have used the money
saved to pay for the annual picnic and
Christmas party and still have a healthy
positive balance in the treasury. Charlie
Fosnaugh continues to do a great job
producing it and we all thank him. He is
looking for members who would like to write
recurring articles on things like recipes,
Corvette information or anything else of
interest. If interested contact Charlie.
Skip Severance is heading up a project to
locate and inventory club property. If you
have anything that would be considered as
such give Skip a call.
The new board is getting settled in with
their new duties and it looks like the coming
year will consist of a little work and a lot of
fun. Look forward to seeing you at the
general meetings and on some of our many
runs coming up.
Craig Hansen is at it again. He has a two
week run called North by Northwest Tour III
in the planning for the fall of 2016. In the
past he put on Southwest Tour I in 2011 and
Southwest Tour II in 2014. As anyone who
went on either of these runs will tell you they
were chock full of information, history,
sightseeing and just plain fun. Some of the
places on this Tour will be Banff Glacier and
Yellowstone National Parks, the Custer
Battlefield Cemetery and Little Bighorn
Battlefield Monument, and Cody and Jackson
Wyoming. The dates are September 3-18
Parliamentarian, Craig Hansen taking a break.
Sergeant of Arms, Don Conley collected
$1.80 in badge fines, filling in for Chuck
VP Public Relations/Membership, Dick
Danielson gave the anniversary & birthday
report for the month. He also said that we
currently have 81 members and 51 cars in
our club. There were no guests tonight.
Sunshine Report was given by Jan Pflepsen.
Central Valley Corvettes
General Meeting Minutes
January 20, 2015
The General Meeting was called to order at
6:31 by President Gary Pflepsen.
Gary gave Craig Hansen a Mallet inscribed
with his years as President and thanked him
for his service.
The minutes from the December general
meeting were read by Debby Anderson.
Motion to accept was made by Fred Parks
and seconded by John Bird.
Treasurer’s report was given by Mike Lebda.
Vice President of activities, Skip Severance
was happy to announce we have 13
1. Feb, 1 st Super Bowl Party
2. Feb, 5 th Fifties Place
3. Feb, 21 st Di Cicco’s
4. March 14 th Lunch & a Tiger
5. Apr, 11 & 12 Nether Cup Museum
6. Apr, 17 to 19 Space Shuttle
7. May 2 nd Cam Twisters(benefits Autism)
8. May 3 rd Club Picnic
9. July 24 to 26 Ventura
10. Oct. 25 – 29 Mystery Tour
11. Dec. 10 Christmas Party
12. Dec. 13 Hay Ride
13. Sept. 3 rd to 18 th 2016 North by North
West Tour III
Inventory: Skip is trying to find all of the
club property so he asked that if anyone has
anything they should call him and let him
know what you have.
Gary wanted more runs and we got several
new ones already.
Charlie Fosnaugh wants to add to the
Newsletter. He is looking for a reporter and
possibly recipes and a car feature. Charlotte
agreed to do the Recipe Corner. Skip also
said that if we have a run then he would like
to have Fliers so that he can include them in
The next General meeting will be February
The next board meeting will be January 27 th .
Meeting was adjourned at 7:16. No motion
Respectfully submitted by,
Debby Anderson, Secretary
Raffle: Thank you to the following members
for donating raffle prizes: A & C Anderson,
Bird, Condley, Danielson, Dawson,
Garrahan, Garrison, Hall, Henderson,
Henefent, Levine, Null, Parks, Percy,
Pflepson, Severance, Walker, Whitson.
SUNSHINE & CLOUDS
Jan De Mello-Pflepsen
Jan. 20, 2015
THANKS SO MUCH FOR SHARING YOUR NEWS WITH ALL OF OUR CVC MEMBERS.
1. JOYCE KROECKER TELLS US THAT STEVE AND JILL DROVE HER AND ED TO PALO ALTO TO
A HEART SPECIALIST. TESTS RESULTS REVEALED D HAD NO CARDIAC INCIDENTS ON
FIBRILLATOR. THE NEW MEDICINE MUST BE HELPING. ED CONTINUES TO HAVE PAIN
WITH WALKING DUE TO HIS HIP. NOWTHE VERY GOOD NEWS IN THE KROECKER FAMILY.
AFTER MANY YEARS OF WAITING, THE KROECKERS HAVE A STREET NAMED AFTER THEM.
IT IS E. KROEKER STREET LOCATED OFF OF FRIANT NEAR COPPER RIVER COUNTRY
CLUB. IT IS QUITE AN HONOR TO ED AND THE REST OF THE KROEKER FAMILY.
2. FROM DALE AND SUE COMER: THEY ARE IN MORRO BAY AND UNABLE TO ATTEND THE
MEETING. THEY ARE PREPARING TO LEAVE ON A MISSISSIPPI RIVER CRUISE WITH THE
AGARS, NULLS, AND LEBDAS IN FEBRUARY AND THEN DRIVING TO MEMPHIS, NASHVILLE,
AND THE CORVETTE MUSEUM.
3. GAIL TAVARES SENT AN UPDATE: IT WAS THREE YEARS AGO THAT RICK WAS DIAGNOSED
WITH MULTIPLE MYELOMA CANCER. RICKS DOCTOR HAS STARTED HIM WITH A NEW
CHEMO REC ENTLY. HE SEEMS TO BE RESPONDING WELL TO THE DRUG. THE TAVARES
ARE STAYING IN PISMO MOST OF THE TIME SINCE RICK SEEMS TO FEEL BETTER THERE.
THANK YOU SO MUCH FOR ALL THE PRAYERS AND GOOD WISHES.
4. AND NOW ABOUT OUR FRIEND DEL WALKER. ON SATURDAY, JANUARY 3, DEL BEGAN TO
FEEL LIKE HE WAS GETTING THE FLU. HIS SYMPTOMS WERE BACK PAIN, LEFT ARM PAIN,
AND CHEST PRESSURE. SUSAN CALLED 911 AND AT 7:00 PM DEL UNDERWENT A TRIPLE
CARDIAC BYPASS. HIS ARTERIES WERE 98% OCCLUDED WHICH MEANS THEY WERE
CLOSED 98%. DEL IS NOW DOING MUCH BETTER AND SUSAN AS WELL.
5. THE WEEK OF NEW YEARS CELEBRATION, GARY AND I HAD THE PLEASURE OF SPENDING
THE WEEK WITH THE COMERS AND CRAIG AND PAM HANSEN AND THEIR FRIENDS. WHAT
A FUN TIME!!!! WE SHOPPED, ENJOYED DINNER AT THE “SEACHEST” RESTAURANT AND OF
ALL THINGS, WE ALL WENT ZIP LINING!!!! HOW OLD ARE WE!!!! IT WAS SUCH FUN, WE
ALL WANT TO DO IT AGAIN……. THANKS TO ALL FOR SHARING………….. JAN
Skip Severance Feb 1 st Chuck & Linda Laningham Feb 4 th 48 yrs.
Sue Comer Feb 2 nd Bob & Kathy Marine Feb 9 th 41 yrs.
Steve Rosen Feb 5 th Allyn & Marilyn Goodall Feb 16 th 24 yrs.
Feb 13 th
Feb 22 nd
Linda Laningham, Lori Cameron and Rudy Hernandez - Birthdays all on Feb 25 th
PLEASE REMEMBER TO WEAR YOUR NAME BADGES TO:
ALL MEETINGS, CLUB EVENTS AND RUNS (25µ FINE EA.)
SUPPORT YOUR CLUB RAFFLE AND BRING A RAFFLE PRIZE!
AND BE SURE AND RECOMEND OUR WEB SITE REGULARY
Cooking with Charlotte
by Charlotte Renna
Here are a few cute recipes for
February. I hope you enjoy them.
‘In the Garage’ with Keith Garrison
The LT4: Another Legendary Corvette Engine
Chevy and GM engineers have developed and manufactured their most powerful production
engine ever for the heart of the Supercharged 2015 Corvette Z06 Stingray.
The 2015 Corvette Z06 will be powered by a fuel-injected small-block engine, the 376-in (6.2-l) LT4,
that generates up to 650 hp and 650 ft-lb of torque. The engine gives the roadster a top speed of
over 200 mph and a 0-to-60 time of 2.95 sec. It can also deliver 15 mpg driving in the city and 24
mpg out on the highway, according to the EPA.
Feeding it fuel
An electric pump in the 2015 Corvette’s fuel tank sends fuel (premium) to the engine at about 400 to
500 KPa (58 to 72 psi). This would be enough gas pressure for a port-fuel-injected (or non-direct
injected) engine, but not for the LT4 and its direct fuel injection. Instead, the pre-pressurized gas
goes to a compact megapump, in Chevy parlance. It mounts on the back of the engine and a
camshaft running through the engine block drives it. A lifter mechanism inside the megapump
translates the rotation of the three peaks or lobes on the end of the camshaft into the up-and-down
motion of a piston that compresses the gas. It delivers outgoing fuel pressures up to 20 MPa (2,900
psi), according to John Rydzewski, Assistant Chief Engineer on Chevy’s small-block engines.
The pressurized gas travels into a fuel rail that consists of two arms, one for each row of fuel
injectors above both cylinder banks. The rail holds gas at 2,900 psi until it is needed by the injectors.
The interior of the fuel rail, as well as the access holes to the injectors, were shaped and placed
using CFD and computer simulations to eliminate hydraulic pulsations in the fuel. This ensures fuel
pressure is equal and consistent at all eight injector locations when each injector fires.
The injectors had to be made larger than those in the previous LT1
engine to increase the amount of fuel needed by the higher airflow. The
shape and geometry of the injector nozzles were carefully sculpted to
generate a proven spray pattern of precisely sized fuel droplets that burn
thoroughly and fast when mixed with the incoming air and spark.
Supercharging the engine
That incoming air, in most cases, gets a 9.71-psi boost from the Eaton R1740
supercharger/intercooler assembly mounted in the valley between the cylinder heads. The 1.7-liter
supercharger delivers 37% more horsepower and 40% more torque than the LT1’s supercharger, yet
is only one inch taller. It’s also 20 lb lighter than the earlier
supercharger. The R1740 was custom built for the LT4. The
serpentine belt running off the crankshaft powers it.
It was important the supercharger be as compact as possible so that
the finished roadster would meet pedestrian protection regulations
enforced mainly in Europe. Those regulations call for some give or
compliance in the hood so that if a pedestrian is hit and falls on the
hood, they are not falling on the unforgiving surface of the hood
backed up by the engine. Instead, space between the hood and
engine lets the hood give or dent a little and cushion the
Inside the supercharger, a pair of four-lobed rotors spins at 20,000 rpm. The rotors each have a 160°
helix (or twist) that broadens their effectiveness by letting them push more air, create more torque at
lower rpms, and sustain the boost at higher rpms for more horsepower.
The rotors are also shorter and have a smaller diameter than those in the previous LS9 supercharger.
This gives them less mass and inertia, making it easier for the engine to spin them. But because so
much air goes through the supercharger at such high speeds, Eaton and Chevy had to stiffen the
housing with ribs and add dampeners to reduce resonance effects which can create vibrations and a
To make the supercharger/intercooler as efficient as possible, Chevy engineers crafted the intake
and output side to be as airtight as possible, and the airflow passageways to be as unrestricted as
possible. This includes the pathway from the induction equipment, through the throttle body, and to
the supercharger, as well as the discharge port coming out of the rear of the supercharger.
When air exits the supercharger, it travels through a V-shaped window and bends back up and over
the intercooler and into the upper portion of the manifold. The design team again used CFD to
minimize losses, reduce turbulence and heating, and let the air flow as fast as possible. Results from
CFD were used to subtly alter the shape of the window, where it’s located, and how the path is
contoured to smoothly take the air where the engineers wanted it to go. The supercharger only
comes on when the engine computer determines there is a demand for it, otherwise, it is bypassed.
Drivers cannot force it on or off. If drivers want the best mileage, they can set the transmission in
the “Econ” mode (as opposed to the Street or Track modes). When in the Econ mode and there is
little demand on the engine, as when cruising at 55 mph on a highway, Active Fuel Management
(AFM) kicks in. AFM closes off a set of hydraulic valves and deactivates the lifters in four of the
cylinders. The lifters still go up and down on the camshaft lobes, and the pistons rise and fall inside
the cylinders as they remain attached to the crankshaft, says Rydzewski. But the pushrods remain
inactive, so no fuel or air is let in, and the exhaust port does not open. The other four cylinders are
working normally and receive a bit more gas than if all eight were working, but overall, AFM reduces
the amount of fuel burned per mile.
Tougher and lighter
The performance figures for the LT4 engine are an indication of how
much stress the engine components must withstand. Some parts are
moving incredibly quickly, and temperatures and pressures are high. But
Chevy engineers want parts to be light so that it takes little energy from
the engine to move them. They must also stay relatively cool so they do
not wear or weaken. Here are some of the technological highlights of the
• Rotocast aluminum cylinder heads. Rotating the mold during casting
eliminates porosity in the metal, creating a denser, more accurate head.
The heads are stronger and better able to handle heat than conventionally cast aluminum heads.
• Combustion chambers are larger than those in the LT1: 65.47 cc rather than 59.02 cc.
• Solid titanium intake valves are strong, lightweight, and have exceptional heat resistance.
• Exhaust valves have a sodium center to improve cooling.
• Connecting rods are machined out of forged powder-metal steel, which reduces the amount of
reciprocating mass in the engine and lets the engine rev quicker.
• The camshaft has a longer exhaust duration, which holds the exhaust valve open longer to let the
greater volume of combustion products escape.
• Lightweight balancer is made of aluminum.
• The crankshaft is forged out of steel and has tungsten balancing inserts and ground collar pins.
• Cast austenitic stainless-steel exhaust manifolds provide more strength at high temperatures than
cast-iron manifolds on earlier engines.
• Dry-sump oiling subsystem has a dual-pressure-control oil pump for more efficient cooling and
• Eight oil spraying jets, one for the underside of each piston, keeps cylinder and pistons cool and
lubricated. The extra layer of oil also dampens any noises emanating from the pistons.
The LT4 is assembled in the U.S. at the new Performance Build Center at GM’s Bowling Green
Assembly Plant and at GM’s Tonawanda engine plant in New York. It is matched with a standard
seven-speed manual transmission or an all-new, paddle-shift eight-speed automatic transmission also
built in America (Toledo, Ohio).
A convertible version of the 2015 Corvette Z06 costs $84K while a coupe goes for $79K. The standard
convertible 2015 Corvette runs $55K and the standard convertible carries a $60K price tag.
Source URL: http://machinedesign.com/automotive/lt4-another-legendary-corvette-engine
Thanks to Keith Garrison for submitting this article.
‘In the Garage’ with Jeff Levine
Secrets of the Corvette Z06
The Z06 Corvette option has typically
had a single purpose: To humble wouldbe
Corvette competitors foreign and
domestic, offering supercar performance
and handling at a price point that can’t
be achieved by any other manuf. Here
are a few of our favorite facts about the
1. The first Z06 was built in 1963. The second-generation — or C2 — Corvette was the first to offer
the Z06 package. Corvette godfather Zora Arkus-Duntov conceived the option package that mated
Chevy’s fuel injected 327 V-8 with uprated brakes and suspension (and in most cases a larger,
competition-ready fuel tank) to give privateer racers a leg up in competition during a time when GM
couldn’t field a factory race team. Simply called an RPO (“regular production order”) Z06, it was pricey
and consequently selected mostly by owners who intended to take their Corvettes racing. Today 1963
“big tank” Z06s are among the most collectible Corvettes.
2. The option was dormant for 28 years. There was no C3 or C4 Z06, and the name finally returned
for 2001 in a very special C5. Offered only in the most rigid and lightest-weight hardtop body style, the
2001 model came with an LS6 small block rated at 385 hp. It was quickly uprated to 405 hp for the
2002 model year — as if the official ratings mattered. In a fine Corvette tradition going back to the 1967
L88, it was found that Chevy had underrated the horsepower significantly; north of 425 hp was closer to
3. Since 2001, only model years 2005 and 2014 have been without a Z06. In every iteration but
the C2, there has been at least a one-model-year lag to let the new vintage breathe before shocking the
crap out of enthusiasts with the introduction of the Z06. The C6 Z06 arrived as a 2006 model and the C7
Z06 will be a 2015 model.
4. The 2004 C5 Z06 and 2012 C6 Z06 are among the elite group of street cars ever to have
broken an eight-minute time around the Nordschleife, part of the Nürburgring complex
near Cologne, Germany. The 2015 Z06 will almost certainly join this group (probably with the A/C
blasting, the stereo on and not otherwise breaking a sweat). Nicknamed “The Green Hell” by F1 pilot Sir
Jackie Stewart, the Nürburgring is acknowledged to be one of the toughest and most dangerous circuits
in the world.
5. The 2015 C7 Z06 is the first factory supercharged Z06 and the first to offer an automatic
transmission. Reputable aftermarket suppliers like Mid America Motorworks have long offered various
superchargers to Corvette owners who want a blower, but the 2015 Z06 is the first to come with a
supercharger — and the accompanying wail — straight from the factory. We have to admit, however, to
being less-than-enthused about the new two-pedal option. The prospect of Z06 ownership by manual
transmission-challenged twits like Justin Bieber and Kanye West is somewhat depressing. Thankfully,
the insanely reasonable base price of under 80 grand will likely be terminally off-putting to the Cristalsnorting,
Veblen good-obsessed crowd.
Source URL: http://www.hagerty.com/Articles-Videos/Articles/2015/01/19/Secrets-of-the-Corvette-
Thanks to Jeff Levine for submitting this article.
CVC Activities Schedule
Here are the runs that are currently scheduled.
Feb 1 Super Bowl Anderson’s
Feb 5 Dinner and Show with Elvis Henenfent’s
Feb 21 DiCicco’s Dinner Run Sanger Garrison’s
Mar 14 Lunch & Tigers, Lions, Cheetahs Severance’s
Apr 17-19 Space Shuttle Capurro’s
May 2 Cam Twisters Car Show Renna
May 3 CVC Picnic Kroekerville Board
July 24-26 Ventura Anderson’s/Garrahan’s
Oct 25-29 Presidents Mystery Tour Pflepsen’s
Dec 10 th Christmas Party Hall’s
Dec 13 th Hay Ride Renna
Sep 3-16 2016 North by NorthWest Hansen’s
GENERAL MEETING ALWAYS 3 RD TUESDAY
BOARD MEETING ALWAYS 4 TH TUESDAY
And don’t forget Dominos
for the Ladies (Contact Frieda Null)
(Contact Charlie Fosnaugh)
LUNCH THEN LIONS AND TIGERS
Sat March 14th
We will drive up to Twin Valley’s Restaurant in Dunlap for lunch. After lunch we
will take a short drive up to the Cat Haven on Hwy 180 for a tour of the Lions,
Tigers, etc. Cost is $8.00 per person if we have 20 or more. Tour is about 1 and
½ hours. Wear tennis or hiking shoes. Following the tour we will head down the
hill and stop at Bear Mtn. Pizza for ice cream, then home. Be sure and sign up at
the meeting. We will start at the gas station at the SE corner of Hwy 180 and
Academy since we have some coming from different directions. Must enter the
gas station off of Academy. No entrance from Hwy 180. Be there at 11:00am and
we will leave as soon as everyone arrives.
Cat Haven web site if you want to check it out: www.cathaven.com
Skip & LeighAnn
CVC 2 nd Annual Picnic at Kroekerville
Sunday May 3 rd at 1:00 pm
Back by popular demand, Mexican buffet by Corina,
DJ music, desert contest, games & more.
More details to follow.
Since we didn’t have any pictures this month, I
copied some I got from Jeff Levine from the 50’s!
If you want to see more of these go here:
• Torch Red Convertable
• Jet Black Interior
• Fully Loaded
• less than 100 Miles on it
• MSRP $80,410
• CVC Price, only $73,637