Forced Induction Superchargers | Turbochargers | Intercoolers

Supercharger on my ARE 436 stroker.........

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Old Jul 30, 2004 | 03:37 AM
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Default Supercharger on my ARE 436 stroker.........

I'm just curious.....for now.

Without changing my pistons to a lower compression, which is obviously the way to do it right, how much boost can be put to my engine right now the way it is and it be safe?

PSI?????

How much RWHP gain would it make?

11.3:1 compression is what it is, I believe.

Thank ya!
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Old Jul 30, 2004 | 06:08 AM
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hmm i wouldnt do it at 11.3:1 that is just too high IMO.
you might be able to do 5psi but still your risking it, unless you use high octane all the time. you wont get out enough gains with the supercharger to be worth it.
Just spray a 100-200 shot on it and be happy.
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Old Jul 30, 2004 | 06:10 AM
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I wouldn't put a blower on, with that CR. Damn, I wish I had your problem of my 436 not being fast enough. I'd slap the bottle on it.

Bruce
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Old Jul 30, 2004 | 06:38 AM
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What is your current head cc size?
Are you willing to swap to a larger cc head?

Nitrous does sound like a better idea.
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Old Jul 30, 2004 | 06:53 AM
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Ed Blown Vert put a P1SC on his 11:1 motor with good results. I think he plans to drop the CR with 6.0 heads though.
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Old Jul 30, 2004 | 08:32 AM
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72cc heads and a gasket change outta bring it down
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Old Jul 30, 2004 | 09:14 AM
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with a 436 engine my guess is his chambers are already 72-76cc's so swapping them out wont do anything
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Old Jul 30, 2004 | 10:13 AM
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smokin that is what I was thinking, hes probally got domed pistons.

Id get direct port, going to be cheaper and easier
ed
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Old Jul 30, 2004 | 12:45 PM
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I guess I'll wait awhile till I can have the motor refreshed with the proper pistons to do a SC'er, which is the goal. Vortech X-Trim or YS-Trim.

I plan to put a DP set up on it with a 250 or 300 shot in a couple months.

Thanks for the info.
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Old Jul 31, 2004 | 03:17 PM
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supercharger and the gas


ultimate combo!
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Old Jul 31, 2004 | 05:22 PM
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Originally Posted by 69firebird
smokin that is what I was thinking, hes probally got domed pistons.

Id get direct port, going to be cheaper and easier
ed
To get to 11.3:1 with an ARE 436, 72CC heads, 0.045 deck + gasket, he would need approx. -5CC's of dish, which is basically a flat top.


People are telling him to run nitrous, but boost is the same thing. Either way you cut the cake you're going to be running higher octane race gas in it than you already are now. With 112 octane I don't see why you can't run an intercooled blower.
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Old Jul 31, 2004 | 05:34 PM
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I didnt do my math first, sorry
ed
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Old Aug 1, 2004 | 12:30 AM
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Originally Posted by Quickin
I'm just curious.....for now.

Without changing my pistons to a lower compression, which is obviously the way to do it right, how much boost can be put to my engine right now the way it is and it be safe?

PSI?????

How much RWHP gain would it make?

11.3:1 compression is what it is, I believe.

Thank ya!
I am not sure why everyong freaks out of a little CR. This is not far from stock and there are plenty of stock bottom end cars putting 5-7lbs of boost on their motor with no problem. You have a much stronger rear end.

Here is what I would suggest, IMO. Setup the blower for 5-7 lbs and set your A/F to 11.0 to 1. This will keep you from doing any damage, give you bunches of safe power, and cool your intake charge all at the same time.

if you decide to drop the compression LS6 Truck head is the best route. You should have no problem selling your current heads, But that will only drop your cr about 1.3 pts. If you want to drop it more than that you are going to have to go back into the motor.

Hope that helps.
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Old Aug 1, 2004 | 07:35 AM
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Originally Posted by Bryan Wilkinson
I am not sure why everyong freaks out of a little CR.
Another thing you need to factor in is are you going to be able to make enough boost to feed a lower comp. motor or a larger cube motor. I see some guys with the Vortech drop comp. or go larger cubes and I think watch out because your going to run into boost problems because its such a small blower. Same with the other blower kits or turbos that might be too small. I read here about guys with low comp. superstrokers with a D1SC saying they are going for 15+ lbs.. I think they are going to find they are going to have to go to a bigger head unit to achieve their goals. A 436 swallows a lot of air.
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Old Aug 6, 2004 | 08:51 PM
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Originally Posted by Bryan Wilkinson

Here is what I would suggest, IMO. Setup the blower for 5-7 lbs and set your A/F to 11.0 to 1.
How much additional RWHP should I gain by doing this on pump gas?
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Old Aug 6, 2004 | 09:39 PM
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Is your motor 11:1 or higher?

Not worth it IMO.
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Old Aug 6, 2004 | 10:21 PM
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Originally Posted by Quickin
How much additional RWHP should I gain by doing this on pump gas?
I would not boost it on pump gas with that compression. The larger bore of your 436 isn't helping with your motors detonation resistance on pump gas, so that just compounds the problem.
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Old Aug 6, 2004 | 10:24 PM
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Sorry I see you posted 11.3:1 compression. I don't think you can really do much with that engine on pump gas... I've seen 11:1 motors get boosted but the owners ran 110 or 114 etc. at the track.
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Old Aug 7, 2004 | 01:00 AM
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Originally Posted by Pro Stock John
Sorry I see you posted 11.3:1 compression. I don't think you can really do much with that engine on pump gas... I've seen 11:1 motors get boosted but the owners ran 110 or 114 etc. at the track.
I guess I'll forget about it than. I thought it would be cool to buy a YS-Trim or something and install it and run it at low boost until I could take the engine apart again and lower the compression.

Spray it is.

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