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Feb 22, 2004 | 01:05 PM

91redragtop

Thread Starter

Burning Brakes

Joined: Sep 2003

Posts: 813

Likes: 1

From: Middle Tn

need some opinions

I have approximately $800 to spend on the 91 vert and some is going to the interior. I am getting dynomax super turbos with the rear crossover y-pipe for sure. Now where I need the opinions is here. Is an adjustable fuel pressure regulator worth the money? Also a throttle body spacer??? Will they provide any gains? I am thinking about buying a fastpak from TPIS and changing the wires and plugs too. When I put on the mufflers and y-pipe what kind of gains will I get with them? With a fast pak how much more will I gain, and is the throttle body spacer worth anything at all? I am going to try and remove the frisbee also. What size and length bolts do I need to replace the ones in there? Realistic opinions only please. I am not expecting more than 25 HP, including the mufflers. Am I on the right track as far as gains go or should I get more? I am going to place an order in a few days so I need these opinions.

Feb 22, 2004 | 07:37 PM

Curveit

Drifting

Joined: Feb 2003

Posts: 1,976

Likes: 2

From: San Antonio Texas

Re: need some opinions (91redragtop)

Welcome to the forum! The adjustable fuel pressure regulator isn't really needed until you change injectors, or do more mods. Throttle body spacer would be a total waste of money, as is the air-foil. I'm sure others will chime in: you can get some very good info here.

:chevy

Feb 22, 2004 | 07:58 PM

JB666

Le Mans Master

Joined: Oct 2002

Posts: 7,178

Likes: 1

From: Bahston Mass.

Re: need some opinions (Curveit)

Quote:

Throttle body spacer would be a total waste of money, as is the air-foil. I'm sure others will chime in: you can get some very good info here.

:chevy

:iagree: I gave mine away a few months ago. I didn't need the paperweight kicking around any more :lol:

Feb 23, 2004 | 07:14 PM

91redragtop

Thread Starter

Burning Brakes

Joined: Sep 2003

Posts: 813

Likes: 1

From: Middle Tn

Re: need some opinions (Jbaker)

Surely someone on this forum can tell me how many HP I can expect with the rear y-pipe and superturbo mufflers, and what size bolts to put back into the water pump pulley after I remove thefrisbee....anyone...anyone...anyone,
bueller...bueller....bueller...bueller :lol:

Feb 23, 2004 | 07:18 PM

Bruthish

Safety Car

Joined: Aug 2002

Posts: 4,812

Likes: 1

From: New Albany IN

St. Jude Donor '03-'04-'06-'08-'09

Re: need some opinions (91redragtop)

I really don't think your going to get much HP with the mufflers but should sound better. As far as the frisbee, you can just put washers or spacers back on in it's place. But, I don't have an answer if you wanted to buy new bolts. It may be best to take one out and measure it and deduct the thickness of the frisbee. You should free up about 5 hp from it's removal.

Feb 23, 2004 | 07:20 PM

Pete K

Race Director

Joined: Feb 2004

Posts: 12,517

Likes: 19

Re: need some opinions (91redragtop)

I ran those very mufflers. Nice sound. As far as power I don't think you will gain a bunch. I put thse mufflers and an off-road exhaust . 2.75 duals back to mufflers I picked up 3 tenths. This is about 25 horse or so I guess. I am sure that the pipes wre responsible for the majority of the hp. My guess 10hp. :cheers:

Feb 23, 2004 | 07:32 PM

91redragtop

Thread Starter

Burning Brakes

Joined: Sep 2003

Posts: 813

Likes: 1

From: Middle Tn

Re: need some opinions (Pete K)

Thanks for the replies. I am going to be making my order in the next day or so. I really want to save my money and put 3.07 gears in it and then I know it will run faster. :eek: