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Topic Review (Newest First)
12-04-2012 11:20 AM
oldbogie
Quote:
Originally Posted by 1981zapper View Post
I’m looking at building a 355 for my 1981 Camaro Z28, Here is what i have picked out, some of the parts i already have;

-Edelbrock Performer RPM Cylinder Heads 64CC #608919
-Howards Cams Retro-Fit Hydraulic Roller Camshaft and Lifter Kit #CL110245-12 (Lift; .500 int./.510 exh. Duration @ .50 225 int./231 exh, LS 112, RPMRange 1,800-5,400
-Scorpion 1.5 Race Series Rocker Arms #SCP1000BL
-Professional Products PowerForce Plus Harmonic Dampers SFI # 90000
-Lunati Street Race Rods 4340 I-Beam
-Ross Racing Forged Flat Top Pistons #90456
-GM Cast Crank

I did a Compression Calculator and my Compression is coming out at just under 10:5:1 with a 0 deck, do you guy’s think with this cam & compression I’m able to run her on 91 Octane?

And any inputs on what kind of HP / TQ this motor can be making?


This is a lot of compression, what is the intended use of this car. What is the gearing and tire size and the transmission.

With a Holley 750 cfm 4 bbl, on a Performer RPM intake, with 1-3/4 tube full length headers, a really good CD ignition this could pull about 400 horses on an engine dyno. But this power level takes really good parts matching and tuning, even slight deviations will drop the crankshaft power 30-40 horses very easily.

Bogie
12-04-2012 12:21 AM
vinniekq2 fly wheel,,,,if you make 360 hp at the wheels,your car would be a low 12 second car
12-04-2012 12:15 AM
1981zapper
Quote:
Originally Posted by vinniekq2 View Post
I would think 360 h p and similar torque on the conservative side. 91 octane will work ok I think.you did not mention carb/headers
is that at the rear Tires? and yes i will be using headers and Qudrajet
12-03-2012 11:22 PM
vinniekq2 I would think 360 h p and similar torque on the conservative side. 91 octane will work ok I think.you did not mention carb/headers
12-03-2012 09:42 PM
1981zapper
SBC 355 Build

Im looking at building a 355 for my 1981 Camaro Z28, Here is what i have picked out, some of the parts i already have;

-Edelbrock Performer RPM Cylinder Heads 64CC #608919
-Howards Cams Retro-Fit Hydraulic Roller Camshaft and Lifter Kit #CL110245-12 (Lift; .500 int./.510 exh. Duration @ .50 225 int./231 exh, LS 112, RPMRange 1,800-5,400
-Scorpion 1.5 Race Series Rocker Arms #SCP1000BL
-Professional Products PowerForce Plus Harmonic Dampers SFI # 90000
-Lunati Street Race Rods 4340 I-Beam
-Ross Racing Forged Flat Top Pistons #90456
-GM Cast Crank

I did a Compression Calculator and my Compression is coming out at just under 10:5:1 with a 0 deck, do you guys think with this cam & compression Im able to run her on 91 Octane?

And any inputs on what kind of HP / TQ this motor can be making?



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