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Old 07-03-2008, 09:24 PM
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chevy 355 power?

hey guys im new to the forum and i think this place is great! every time i have a question i come read thru your forums jus to c wat you guys have to say... anyways im n the process of building a chevy 350 and i wanted to c what kinda power you thot i would make and if yall had any ideas to make it better!?? im not really wanting a race truck but i would like to be able to leave someone at the lite if i decide to!

350 bored 30 zero decked
comp cams advt 280 280 duration and 480 lift,
keith black hyper flat tops
stock crank and rods for floating pistons
heads: 292 castings angle plug 64cc 202 int. 190 exh.
edelbrock 650 with 1in spacer, perf rpm intake, aslo a holley street dominator intake is optional
accel dist with super coil,
hooker headers
2000 stall....

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Old 07-04-2008, 12:51 AM
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The 2000 stall is not near enough to leave some one at the light.
The comp 280H cam is not happy with a stock torque converter.
You'll need a 10" 3500stall and 4.56 gears to get that truck/tank moving quickly. More, if you run a tall tire.
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Old 07-04-2008, 01:11 AM
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i would go to a roller cam, 1.6 rocker arms

268xfi-hr13 will work good with a 2k converter.


if you go up to a 2500 stall, go to xr270hr with 1.6 rockers...


should put you close to 400hp
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Old 07-04-2008, 01:51 AM
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click the link and download, its comp cams camquest6 free software.. its just like desktop dyno2000, you can even use the dyno2000 head flow files..

http://www.compcams.com/Camquest/Cam...dInstaller.exe
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Old 07-04-2008, 02:44 AM
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I agree w/ fbird, gotta get more stall.
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Old 07-04-2008, 07:50 AM
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If you MUST use that stall converter; then I'd suggest a Comp cam 12-242-2 which is the XE268H .470/.480 1600-5800 RPM and will work well with a stock stall converter.

Your rear gearing is very important for performance. Consider a minimum of 3.50-1 on up to 4.10-1 for the street. 3.7-1 is overall best choice for many street applications.

Use the Edelbrock Performer RPM intake that you have.

I like a Holley carb over the Edelbrock for performance. The Edelbrock is an excellent carb though and since you have it then use it.

I'd use the stock GM HEI over the Accel for street use. Just my personal preference.
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Old 07-04-2008, 10:01 AM
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If you want torque from low down use one of these , I have one in my 355 pushing 1.6: 1 roller rockers.
It was first in my 305 and when I swapped shortblocks I thought why not try it in the 355 and see what happens.
Even though itīs meant for computer controlled vehicles it works well at the traffic lights.



According to Desktop Dyno.
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