C1 & C2 Corvettes General C1 Corvette & C2 Corvette Discussion, Technical Info, Performance Upgrades, Project Builds, Restorations

Pistons and Cam Recommendations for SB Project

Thread Tools
 
Search this Thread
 
Old 01-16-2015, 12:00 PM
  #1  
Mr D.
Team Owner

Support Corvetteforum!
Thread Starter
 
Mr D.'s Avatar
 
Member Since: Mar 2002
Location: Huntsville AL
Posts: 41,443
Received 1,481 Likes on 1,001 Posts

Default Pistons and Cam Recommendations for SB Project

Hi Guys

My next little project is to build up a mild mannered Chevy small block that will be a “look alike” to a period correct 65 327 350hp.

Parts I have on hand
1) 3959512 large journal block with vent hole in back of block
2) Set of 65 461 300hp heads
3) 2 1/2" Ram Horn Exhaust
4) 3844461 Intake
5) 600 Holley
6) 350 LT1 crank (from CE engine)
7) 350 LT1 rods (from CE engine)

1972 350 LT1 (CE engine) parts I will sell off to defray cost
1) 010 350 4-bolt main block, std bore
2) Set of 350 2.02 angle plug heads
3) Set of std 11:1 pistons

What pistons and cam would you recommend for this build? I’m looking for good street manners, crappy pump gas etc etc. Not looking to head to the drag strip just down the road. Transmission is a M21 with 3:36 rear.

Thanks
Dennis
Old 01-16-2015, 01:03 PM
  #2  
MikeM
Team Owner
 
MikeM's Avatar
 
Member Since: Mar 2003
Location: Greenville, Indiana
Posts: 26,118
Received 1,843 Likes on 1,398 Posts

Default

Originally Posted by Mr D.
Hi Guys

My next little project is to build up a mild mannered Chevy small block that will be a “look alike” to a period correct 65 327 350hp.


What pistons and cam would you recommend for this build? I’m looking for good street manners, crappy pump gas etc etc. Dennis
I would build it back with the stock OEM replacement parts including the 350 FORGED pistons, 327/350 camshaft.

The engine will have plenty of low end and should run on 89 E 10.

Your close ratio transmission with the 3.36 rear gear isn't exactly the hot setup for city/stoplight driving regardless of the engine.
Old 01-16-2015, 01:12 PM
  #3  
jimh_1962
Le Mans Master
 
jimh_1962's Avatar
 
Member Since: Feb 2004
Location: Norcal CA
Posts: 6,710
Received 549 Likes on 442 Posts
2018 C1 of Year Finalist

Default

A Large journal is a good candidate for a 383 build...

Saying that... I had the same block but small journal and went with:
Comp cam NL79+ cam, lifter and timing set
Seal pro forged pistons.

Last edited by jimh_1962; 01-16-2015 at 01:15 PM.
Old 01-16-2015, 01:26 PM
  #4  
Mike Geary
Melting Slicks
 
Mike Geary's Avatar
 
Member Since: Nov 2004
Location: Temecula CA
Posts: 2,309
Received 220 Likes on 167 Posts

Default

Dennis: my first '65 I had was the best running car I ever had, and I would build to the same spec's if I was doing another one.

stock L79 (forged pistons, "-151" cam) with WIDE ratio M20 and 3:55 gears. This was as-delivered, confirmed by factory documentation.

Previous owners of that car still speak about its overall performance.

Mike
Old 01-17-2015, 10:21 AM
  #5  
65tripleblack
Safety Car
 
65tripleblack's Avatar
 
Member Since: May 2003
Location: Ocean Township NJ
Posts: 4,797
Received 235 Likes on 212 Posts

Default

Originally Posted by jimh_1962
A Large journal is a good candidate for a 383 build...

Saying that... I had the same block but small journal and went with:
Comp cam NL79+ cam, lifter and timing set
Seal pro forged pistons.


With your trans/axle combo you will need all the torque you can get. The Comp "Nostalgia Plus" cams are a great choice. They won't last as long as an original design, and you'll have to upgrade valve springs unfortunately.
If you're open to using a hydraulic roller, then that changes the whole ballgame. Are you?
If you're on a tight budget, then build your 350 using a 929 or 962 cam.

Last edited by 65tripleblack; 01-17-2015 at 10:24 AM.

Get notified of new replies

To Pistons and Cam Recommendations for SB Project




Quick Reply: Pistons and Cam Recommendations for SB Project



All times are GMT -4. The time now is 06:22 PM.