What a surprise. - Performance Forum

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What a surprise.
Friday, April 01, 2005 4:16 PM
I has comparing my head that I bought online to pictures online. I was told it was an RSM head. The more and more I look at it I'm saying that I don't think it looks like one (the porting and cylinder head design.) I think I found out that it is a J-Body Performance Head. It looks identical.

Anyways, I was measuring the cams with a caliper at work and I think I botched up the measurements but the more I was looking around JBP website. I think the cams I have are from JBP also.

The head on JBP claims a 33 WHP gain.
The cams claim a 22 WHP gain.

So would I get a 55 WHP gain NA?

So what would the gain be NA?
What would it be with a GM Supercharger at 8psi? (Yes, I know Boost Forum. Most of the post is performance.)


<img src="http://www.j-body.org/registry/americanred/deplysig.gif">

Re: What a surprise.
Saturday, April 02, 2005 5:03 AM
you dont add up hp numbers. so you dont have 55WHP gain...

any pics of the head?
Re: What a surprise.
Saturday, April 02, 2005 5:12 AM
I can't see you getting a 55whp but who knows. Also cams for NA and FI are completely different with different needs. You won't be getting 100% out of your setup with a set of NA cams thats for sure.



Quoth the Raven 'Nevermore
raven@accesswave.ca
Raven Autosports
55 McQuade Lake Cres,
Halifax, Nova Scotia, Canada
(902) 850-3330
10.82@132
Re: What a surprise.
Saturday, April 02, 2005 9:03 AM
I'd say 30whp at the most


depends on the cam profile too...


P&P and cams will work very well together

the butt dyno will be happy






Re: What a surprise.
Saturday, April 02, 2005 9:55 AM
TheFlyingSquirrel (PJ) wrote:I'd say 30whp at the most


depends on the cam profile too...


P&P and cams will work very well together

the butt dyno will be happy


the p&p and cams do work well, but make sure you are getting enough air in there. A bigger throttle body does help a lot.
Re: What a surprise.
Saturday, April 02, 2005 11:59 AM
Cool. I need to get some pictures of the head and I'll post them. Damn digi is on the fritz right now. Somebody took a picture of there rear end and it hasn't been the same.


<img src="http://www.j-body.org/registry/americanred/deplysig.gif">
Re: What a surprise.
Saturday, April 02, 2005 12:03 PM
just to add also, along with a bigger TB definitely will need an exhaust.
personal experience i have cams and bigger TB and there is a noticable feeling of restriction with stock exhaust



04 sunfire auto, mid 15's n/a, and still going
Re: What a surprise.
Saturday, April 02, 2005 6:12 PM
I have a Pacesetter cat back. I'm going to find a high flow cat. I also have an HO TB.


<img src="http://www.j-body.org/registry/americanred/deplysig.gif">
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