C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
Sponsored by:
Sponsored by:

Big Inch Small Blocks - HERE

Thread Tools
 
Search this Thread
 
Old Oct 13, 2009 | 12:46 AM
  #21  
gkull's Avatar
gkull
Team Owner
25 Year Member
Liked
Loved
Community Favorite
 
Joined: Apr 1999
Posts: 21,953
Likes: 1,445
From: Reno Nevada
2024 C3 of the Year Finalist- Modified
Default

Originally Posted by MotorHead

My buddy who owns an engine shop says I need a automatic and should turn low 11's to mid 10's and he never sugar coats anything
I have formed my opinion from spending years at the drag strip pitted with all the other fastest drag machines at divisional meets. I used a very specialized 2 speed power glide tranny. We were not trying to go fast because of index 7.90 or 8.90 class racing. But when you get into CE racing. Competition eliminator and you want to run under the national index you never see another automatic tranny. It's all air or lever shifted manuals

I do not believe that an auto tranny can beat a quality Manual in a well setup car. I had friends that the only change was to throw out the PG or TH400 and install a lenco 2-3-4 or 5 speeds and instantly went quicker ET's because of the power savings of a manual tranny.
Reply
Old Oct 13, 2009 | 02:55 AM
  #22  
gingerbreadman1977's Avatar
gingerbreadman1977
Drifting
 
Joined: Apr 2006
Posts: 1,911
Likes: 2
From: gold coast queensland
Default

i love my 383 . they say a pic is worth a thousand words so here is a pic... and also here is a vid as well, that must be worth a million words..... i hate typing so that works for me.



Reply
Old Oct 13, 2009 | 03:34 AM
  #23  
v2racing's Avatar
v2racing
Melting Slicks
15 Year Member
Liked
Loved
Community Favorite
 
Joined: Mar 2008
Posts: 2,666
Likes: 289
From: Spring Park MN
Default

Originally Posted by Bee Jay
You get 20mpg with a 250 degree camshaft, 3500 rpm stall converter, and 406 cubic inches? How do you do that?
Bee Jay
The torque converter is a lock up. The cam is a custom grind that has less duration at .020" than a typical cam of it's size at .050" would to make a wider power band. The squish is a nice tight .034". My low and mid lift flows are extremely good in my heads which I believe is important on a street motor. The high lift flows are also excelent. I spent a lot of time tuning the carb with an O2 sensor and a vacuum gage, and I'm not talking just main jets but air bleeds, power valve, PVB orifices, etc... I also spent time tailoring my ignition curve with both the vacuum and mechanical advances.

That's how you get mileage, drivability and power in the same package. It runs good on pump gas with the 11.8 to 1 compression also.
Reply
Old Oct 13, 2009 | 03:51 AM
  #24  
v2racing's Avatar
v2racing
Melting Slicks
15 Year Member
Liked
Loved
Community Favorite
 
Joined: Mar 2008
Posts: 2,666
Likes: 289
From: Spring Park MN
Default

Originally Posted by gkull
I have formed my opinion from spending years at the drag strip pitted with all the other fastest drag machines at divisional meets. I used a very specialized 2 speed power glide tranny. We were not trying to go fast because of index 7.90 or 8.90 class racing. But when you get into CE racing. Competition eliminator and you want to run under the national index you never see another automatic tranny. It's all air or lever shifted manuals

I do not believe that an auto tranny can beat a quality Manual in a well setup car. I had friends that the only change was to throw out the PG or TH400 and install a lenco 2-3-4 or 5 speeds and instantly went quicker ET's because of the power savings of a manual tranny.
I agree somewhat George, but a Lenco is basically the heart of an automatic, a planetary gear set, a sprag, and a clutch pack. It is just missing the pump, valve body and torque converter, although you can run one with a converter. It's not a manual you would find in street cars. In slower cars such as our street cars, automatics are usually faster the sticks, all things being equal.
Reply
Old Oct 13, 2009 | 06:04 AM
  #25  
aworks's Avatar
aworks
Melting Slicks
20 Year Member
 
Joined: Sep 2003
Posts: 2,114
Likes: 33
From: ct
Default

74 with a 427 SBC and Richmond 6 speed here. It's my nephews car. The 60 is one of mine.

Reply
Old Oct 13, 2009 | 08:32 AM
  #26  
holley505's Avatar
holley505
Thread Starter
Drifting
15 Year Member
 
Joined: Nov 2004
Posts: 1,971
Likes: 7
From: Longwood Florida
Default

WOW!! like that car... 74
Reply
Old Oct 13, 2009 | 04:42 PM
  #27  
CorvetteDave01's Avatar
CorvetteDave01
Burning Brakes
10 Year Member
 
Joined: Mar 2005
Posts: 1,139
Likes: 0
From: Salina Kansas
Default

427sbc with a solid roller cam and EFI here. I also just finished a solid axle 4-link conversion with 35 spline axles, detroit locker etc. No track times yet, but I have 10.5" slicks mounted and ready to go.
Attached Images       

Last edited by CorvetteDave01; Oct 13, 2009 at 08:10 PM.
Reply
Old Oct 13, 2009 | 05:13 PM
  #28  
holley505's Avatar
holley505
Thread Starter
Drifting
15 Year Member
 
Joined: Nov 2004
Posts: 1,971
Likes: 7
From: Longwood Florida
Default

Originally Posted by CorvetteDave01
427sbc with a solid roller cam and EFI here. I also just finished a solid axle 4-link conversion with 35 spline axles, detroit locker etc. No track times yet, but I have 10.5" slicks mounted and ready to go.
NICE!!

How much was that 4 link setup?
Reply
Corvette Stories

The Best of Corvette for Corvette Enthusiasts

story-0

Top 10 Most Explosive Corvettes Ever Made: Power-to-Weight Ratio Ranked!

 Joe Kucinski
story-1

150 hp to 1,250 hp: Every Corvette Generation Compared by the Specs That Matter

 Joe Kucinski
story-2

8 Coolest Corvette Pace Cars (and Replicas) of All Time

 Verdad Gallardo
story-3

Top 10 Corvette Engines RANKED by Peak Torque (70+ Years of Muscle!)

 Joe Kucinski
story-4

Corvette ZR1X Will Be Pacing the Indy 500, And Could Probably Race, Too!

 Verdad Gallardo
story-5

Top 10 Corvettes Coming to Mecum Indy 2026!

 Brett Foote
story-6

Top 10 C9 Corvette MUST-HAVES to Fix These C8 Generation Flaws!

 Michael S. Palmer
story-7

10 Revolutionary 'Corvette Firsts' Most People Don't Know

 Joe Kucinski
story-8

5 Reasons to Upgrade to an LS6-Powered Corvette; 5 Reasons to Stay LT2

 Michael S. Palmer
story-9

2027 Corvette vs The World: Every C8 vs Its Closest Competitor

 Joe Kucinski
Old Oct 13, 2009 | 07:22 PM
  #29  
CorvetteDave01's Avatar
CorvetteDave01
Burning Brakes
10 Year Member
 
Joined: Mar 2005
Posts: 1,139
Likes: 0
From: Salina Kansas
Default

That is the Autofab setup. I think it was around 4,800 assembled with the Moser brakes. The eBrake cable even hooked up and works! Heck I sold all my IRS equipment for almost half that.
Reply
Old Oct 13, 2009 | 07:40 PM
  #30  
C3 Stroker's Avatar
C3 Stroker
Safety Car
20 Year Member
Liked
Loved
Community Favorite
 
Joined: Oct 2004
Posts: 3,923
Likes: 733
From: Youngstown Ohio
Default

Originally Posted by holley505
Nice I like this... what stall converter and gear in this car?

Large cam? Or nice roller?
2900 stall (not really enough), solid roller cam....see sig. info.
Reply
Old Oct 13, 2009 | 08:36 PM
  #31  
Ganey's Avatar
Ganey
Race Director
10 Year Member
 
Joined: Apr 1999
Posts: 11,520
Likes: 13
From: CORVETTE 77 385 C.I. TEXAS
Default

Another sleeper setup here.




PS In case anyone doesn't know- when a street racer w/ a BB says he has a 396 don't believe it.

Last edited by Ganey; Oct 16, 2009 at 05:28 PM.
Reply
Old Oct 14, 2009 | 05:23 AM
  #32  
73StreetRace's Avatar
73StreetRace
Burning Brakes
15 Year Member
 
Joined: Aug 2005
Posts: 1,164
Likes: 1
From: Europe, France
Default

Originally Posted by gingerbreadman1977
i love my 383 . they say a pic is worth a thousand words so here is a pic... and also here is a vid as well, that must be worth a million words..... i hate typing so that works for me.





The video is much better than words !
Reply
Old Oct 14, 2009 | 10:18 AM
  #33  
TheFinn's Avatar
TheFinn
Racer
 
Joined: Sep 2008
Posts: 387
Likes: 2
Default

Originally Posted by gingerbreadman1977
i love my 383 . they say a pic is worth a thousand words so here is a pic... and also here is a vid as well, that must be worth a million words..... i hate typing so that works for me.
I could swear there was a car in that vid but I was distracted with something way hotter.
Reply
Old Oct 14, 2009 | 02:00 PM
  #34  
BKbroiler's Avatar
BKbroiler
Le Mans Master
20 Year Member
Liked
Loved
Community Favorite
 
Joined: May 2002
Posts: 5,086
Likes: 786
From: Lebanon Township New Jersey
Default

I have a mild 383. See sig for details. Timeslips below. Ran a new best of 12.66 last Saturday.

Reply
Old Oct 14, 2009 | 02:11 PM
  #35  
LFZ's Avatar
LFZ
Team Owner
20 Year Member
Liked
Loved
Community Favorite
 
Joined: Feb 2003
Posts: 30,183
Likes: 313
From: Lake Norman NC
Default

C3 stroker....you need 427 emblems on that hood.
Beautiful badass ride.
Reply
Old Oct 14, 2009 | 05:25 PM
  #36  
Bee Jay's Avatar
Bee Jay
Safety Car
20 Year Member
Liked
Loved
Community Favorite
 
Joined: Nov 2005
Posts: 3,961
Likes: 573
From: Lompoc, CA. Santa Barbara County
Default

Originally Posted by C3 Stroker
2900 stall (not really enough), solid roller cam....see sig. info.
Damn C3 Stroker, that is sweet. And I bet Grandma could drive it to the store. Can you imagine what she could do to the smartass Mustang owner that will inevitably pull up alongside and rev his motor. Granny would smoke him. His freinds would tease him for being blown away by Granny in a stock small block Vette.
Bee Jay
Reply
Old Oct 14, 2009 | 07:32 PM
  #37  
C3 Stroker's Avatar
C3 Stroker
Safety Car
20 Year Member
Liked
Loved
Community Favorite
 
Joined: Oct 2004
Posts: 3,923
Likes: 733
From: Youngstown Ohio
Default

Originally Posted by American Psycho
C3 stroker....you need 427 emblems on that hood.
Beautiful badass ride.
I thought about that, but then decided naaahhh...just keep 'em guessing.
Reply

Get notified of new replies

To Big Inch Small Blocks - HERE

Old Oct 14, 2009 | 07:39 PM
  #38  
C3 Stroker's Avatar
C3 Stroker
Safety Car
20 Year Member
Liked
Loved
Community Favorite
 
Joined: Oct 2004
Posts: 3,923
Likes: 733
From: Youngstown Ohio
Default

Originally Posted by Bee Jay
Damn C3 Stroker, that is sweet. And I bet Grandma could drive it to the store. Can you imagine what she could do to the smartass Mustang owner that will inevitably pull up alongside and rev his motor. Granny would smoke him. His freinds would tease him for being blown away by Granny in a stock small block Vette.
Bee Jay
Thanks for the compliments.....yes, it does drive like a stocker, but hearing the cam gives people second thoughts before challenging it, though.
Reply
Old Oct 14, 2009 | 08:39 PM
  #39  
C3 Stroker's Avatar
C3 Stroker
Safety Car
20 Year Member
Liked
Loved
Community Favorite
 
Joined: Oct 2004
Posts: 3,923
Likes: 733
From: Youngstown Ohio
Default Sleeper, Pt.2

Originally Posted by Ganey
Sleeper setup.




PS In case anyone doesn't know- when a street racer w/ a BB says he has a 396 don't believe it.
....my Dec. 2009 Corvette Fever magazine just arrived today. I'm on page 62....http://forums.corvetteforum.com/c3-g...post1571821927
Reply
Old Oct 14, 2009 | 09:56 PM
  #40  
CorvetteDave01's Avatar
CorvetteDave01
Burning Brakes
10 Year Member
 
Joined: Mar 2005
Posts: 1,139
Likes: 0
From: Salina Kansas
Default

Very cool man. That is a sweet car...
Reply



All times are GMT -4. The time now is 05:58 AM.

story-0
Top 10 Most Explosive Corvettes Ever Made: Power-to-Weight Ratio Ranked!

Slideshow: The 10 most explosive Corvettes ever built based on power-to-weight ratio.

By Joe Kucinski | 2026-05-20 07:23:03


VIEW MORE
story-1
150 hp to 1,250 hp: Every Corvette Generation Compared by the Specs That Matter

Slideshow: From C1 to C8 we compare every Corvette generation by the numbers.

By Joe Kucinski | 2026-05-12 16:54:12


VIEW MORE
story-2
8 Coolest Corvette Pace Cars (and Replicas) of All Time

Slideshow: Some Corvette pace cars became collectible legends, while others perfectly captured the look and attitude of their era.

By Verdad Gallardo | 2026-05-11 09:50:51


VIEW MORE
story-3
Top 10 Corvette Engines RANKED by Peak Torque (70+ Years of Muscle!)

Slideshow: Ranking the top 10 Corvette engines by torque output.

By Joe Kucinski | 2026-05-05 11:58:09


VIEW MORE
story-4
Corvette ZR1X Will Be Pacing the Indy 500, And Could Probably Race, Too!

Slideshow: A Corvette pace car nearly matching IndyCar speeds sounds exaggerated, until you look at the numbers.

By Verdad Gallardo | 2026-05-04 20:03:36


VIEW MORE
story-5
Top 10 Corvettes Coming to Mecum Indy 2026!

Among a rather large group of them.

By Brett Foote | 2026-05-04 13:56:44


VIEW MORE
story-6
Top 10 C9 Corvette MUST-HAVES to Fix These C8 Generation Flaws!

Slideshow: the top 10 things Corvette owners want in the C9 Corvette

By Michael S. Palmer | 2026-04-30 12:41:15


VIEW MORE
story-7
10 Revolutionary 'Corvette Firsts' Most People Don't Know

Slideshow: 10 Important Corvette 'firsts' that every fan should know.

By Joe Kucinski | 2026-04-29 17:02:16


VIEW MORE
story-8
5 Reasons to Upgrade to an LS6-Powered Corvette; 5 Reasons to Stay LT2

Slideshow: Should you buy a 2020-2026 Corvette or wait for 2027?

By Michael S. Palmer | 2026-04-22 10:08:58


VIEW MORE
story-9
2027 Corvette vs The World: Every C8 vs Its Closest Competitor

Slideshow: 2027 Corvette lineup vs the world.

By Joe Kucinski | 2026-04-24 16:12:42


VIEW MORE