hello, I'm new

greg fulk · 11-20-2007, 03:29 AM

The car is a natural I/sa car add weight to J/sa lighten to H/sa hope this helps.. Also the guy from Ark. is Deano....as in Dean Oliver....yes he's good....I have a Danny Ashley on my car and it work great from as low as 2000 rpms. I don't have Danny's # at hand but can get it if ya need. Oh & listen to "The Don"! he knows his shxx! How many non turbo 301's have ya seen run low 13's? He & Billy don't have the bugs worked out yet either

J/SA Grand Prix · 11-20-2007, 12:38 PM

Yeah, Don definately has done his homework! Oh and Don, I guess I am trying to figure out the difference between the 250hp 455 and the 315hp 455. It seems they use the same head and intake. I think that is where I am confused

Harry 6674 · 11-20-2007, 02:11 PM

The way I'm reading the guide the only 455s in the GPs were the 200hp 2barrel and the 250 hp factored at 315hp, thats the one you want.

J/SA Grand Prix · 11-20-2007, 02:59 PM

Oh, ok so from my understanding the 250hp motors now were factored to 315hp now, where they were originally factored at 250hp and NHRA made them 315 now?

Harry 6674 · 11-20-2007, 04:07 PM

Yes, the factored 315 hp is what you use to determine your weight which determines your natural class then go from there. Get all the weight out you can then put what you need back in in better places.Have fun thats big time important or it gets to be work.

Mark Yacavone · 11-20-2007, 04:14 PM

The 72 Pontiacs were rated differently with a new net rating system. NHra just brought those engines up to where they were more in line with the 71's. The head and intake casting numbers were the only difference, spec -wise.

J/SA Grand Prix · 11-21-2007, 02:15 AM

So this particular motor doesn't call for the 7M5 heads or the #485912 intake? Sorry about all the questions, just trying to figure out what all I need to get!

11-20-2007, 03:29 AM	#1
greg fulk VIP Member Join Date: Jan 2003 Location: jackson Posts: 1,165 Likes: 0 Liked 5 Times in 3 Posts	Re: hello, I'm new The car is a natural I/sa car add weight to J/sa lighten to H/sa hope this helps.. Also the guy from Ark. is Deano....as in Dean Oliver....yes he's good....I have a Danny Ashley on my car and it work great from as low as 2000 rpms. I don't have Danny's # at hand but can get it if ya need. Oh & listen to "The Don"! he knows his shxx! How many non turbo 301's have ya seen run low 13's? He & Billy don't have the bugs worked out yet either __________________ Greg Fulk 308 308X P/SA "ALL AMERICAN"

11-20-2007, 12:38 PM	#2
J/SA Grand Prix Junior Member Join Date: Nov 2007 Posts: 25 Likes: 0 Liked 0 Times in 0 Posts	Re: hello, I'm new Yeah, Don definately has done his homework! Oh and Don, I guess I am trying to figure out the difference between the 250hp 455 and the 315hp 455. It seems they use the same head and intake. I think that is where I am confused

11-20-2007, 02:11 PM	#3
Harry 6674 Senior Member Join Date: Dec 2006 Posts: 589 Likes: 0 Liked 0 Times in 0 Posts	Re: hello, I'm new The way I'm reading the guide the only 455s in the GPs were the 200hp 2barrel and the 250 hp factored at 315hp, thats the one you want.

11-20-2007, 04:07 PM	#5
Harry 6674 Senior Member Join Date: Dec 2006 Posts: 589 Likes: 0 Liked 0 Times in 0 Posts	Re: hello, I'm new Yes, the factored 315 hp is what you use to determine your weight which determines your natural class then go from there. Get all the weight out you can then put what you need back in in better places.Have fun thats big time important or it gets to be work.

11-20-2007, 04:14 PM	#6
Mark Yacavone Veteran Member Join Date: Mar 2002 Location: Miles From Nowhere Posts: 7,840 Likes: 2,934 Liked 5,152 Times in 1,966 Posts	Re: hello, I'm new The 72 Pontiacs were rated differently with a new net rating system. NHra just brought those engines up to where they were more in line with the 71's. The head and intake casting numbers were the only difference, spec -wise. __________________ "We are lucky we don't get as much Government as we pay for." Will Rogers

11-20-2007, 02:59 PM	#4
J/SA Grand Prix Junior Member Join Date: Nov 2007 Posts: 25 Likes: 0 Liked 0 Times in 0 Posts	Re: hello, I'm new Oh, ok so from my understanding the 250hp motors now were factored to 315hp now, where they were originally factored at 250hp and NHRA made them 315 now?

11-21-2007, 02:15 AM	#7
J/SA Grand Prix Junior Member Join Date: Nov 2007 Posts: 25 Likes: 0 Liked 0 Times in 0 Posts	Re: hello, I'm new So this particular motor doesn't call for the 7M5 heads or the #485912 intake? Sorry about all the questions, just trying to figure out what all I need to get!

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