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Old 08-08-2011, 10:20 PM
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Estimated HP and Torque sbc 355, please

Hello, big fan of the site and its educated users. I am wondering if someone would like to run my setup on an engine calculator in order for me to select a few more parts for my car. If so I will post the details of the engine and drive terrain, if not then i wont, lol, i will check back shortly for replies, again thank you.

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Old 08-09-2011, 05:15 PM
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If you want someone to do it you might as well go ahead and post all the parts involved. JMO



Cole
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Old 08-09-2011, 06:22 PM
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I got desktop dyno on my pc so if you post all the specs I can put it in.
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Old 08-09-2011, 11:23 PM
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Thank you 43.

355
stock bottom end
balanced hyper pistons with 4 valve reliefs
roller timing set
213 int./219 exh.at .050 (voodoo 60101)
*0.454 int./0.468 exh. with my 1.5 rockers
stock vortec heads 1.94/1.50 (Felpro head gaskets)
edelbrock rpm air gap dual plane
600 edelbrock
new HEI ignition
1 1/2 long tube headers

400 turbo stock
3.08 gears
225/75/14 tires
4,300 lb 77 Monte Carlo

Again Thank You, valtiel43

I know in 2nd gear it will turn around 6,100 rpm. its a dirt car...
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Old 08-10-2011, 06:03 AM
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1.21 giga-watts???!!!!
 
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That's gonna be about 375-380 HP with around 400 lb ft TQ.
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Old 08-10-2011, 09:16 AM
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Quote:
Originally Posted by AR_Racing_627
Thank you 43.

355
stock bottom end
balanced hyper pistons with 4 valve reliefs
roller timing set
213 int./219 exh.at .050 (voodoo 60101)
*0.454 int./0.468 exh. with my 1.5 rockers
stock vortec heads 1.94/1.50 (Felpro head gaskets)
edelbrock rpm air gap dual plane
600 edelbrock
new HEI ignition
1 1/2 long tube headers

400 turbo stock
3.08 gears
225/75/14 tires
4,300 lb 77 Monte Carlo

Again Thank You, valtiel43

I know in 2nd gear it will turn around 6,100 rpm. its a dirt car...
No problem.
It has it at peak hp 389 @ 5500rpms, and torque 409 @ 4000 rpms.
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Old 08-10-2011, 05:02 PM
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alright thanks, i know it pulls pretty good but was unsure of what i really had, i was thinking about going with a little more cam and 2500 stall converter
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Old 08-10-2011, 08:20 PM
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1.21 giga-watts???!!!!
 
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Dang, I didn't even have a dyno sim when I made my post.
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Old 08-14-2011, 12:44 PM
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well u were pretty darn accurate lol
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Old 08-14-2011, 02:38 PM
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Right now I'd do something about that rear end ratio before I stepped up to more stall and cam. 3.55 or 3.73s would make it pull like a freight train in comparison. You're going to need more gear if you want to step up the cam and stall anyways, especially in a big heavy monte carlo.

Btw, nice guess CRD.
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Old 08-14-2011, 02:44 PM
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If its a dirt car, isnt it stripped down? 4300lbs seems heavy if its stripped.
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Old 08-15-2011, 05:05 PM
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its a figure 8 car so i have lots of steal welded in it including a 12" by 5 1/2' I beam for a rear bumper, so she weighs in.
I'm running the 3.08 gears for lower rpm's i had the 3.73's in it and she wrapped out way to quick.
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