Just dynoed my GT40P combo!!

Killer95Stang

New Member
Aug 7, 2003
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Covina, CA
I made 271rwhp and 303ftlb SAE corrected at Brothers Performance with the following major mods:

-GT40P's, stainless valves, .560" lift springs
-Cobra intake with home ported lower
-Crane 2031 cam
-Crane 1.7rr
-MAC LT's, Dr. Gas X, and Bassani Mufflers
-Plus all the normal bolt-ons.

These aren't the best numbers, but they do reflect a 20rwhp & 8rwtq increase with just a change from shorties, catted h, and slowmasters. Plus, my car needs to be re-dyno tuned badly, since it has a 2 year old tune, that was made with my old combo....
 
Well... with my car near stock, I only made like 180rwhp (yuck)... after the heads cam, and all the bolt ons, and my old exhaust setup.. I made 251rwhp & 295ftlbs... at that time, my best 1/8th mile run was 8.88 @ 81mph on street tires, no powershifting, and a terrible driver (me!!).... I figure theirs 10rwhp left in the combo, and maybe few ftlbs as well.
 
You have the exhaust opened up well, you got the heads to combust well and you have the intake. I bet after you add a nice MAF and TB plus maybe some 24# injectors and a good tune, you'll be much happier. :)
 
jmuva44 said:
You have the exhaust opened up well, you got the heads to combust well and you have the intake. I bet after you add a nice MAF and TB plus maybe some 24# injectors and a good tune, you'll be much happier. :)

I didn't want to list all my mods since my space bar is sticking (lol).. I already have a C&L 73mm, 70mm TB, and 24lbs with a j4j1 cobra computer... I'm figuring a better Pro-m meter, and probably a retune (chip is like 2-3 years old), I can pull out maybe 10 more rwhp...
 
slvrbullit302 said:
Nice numbers, did you dyno the other day with 96GTS? He is on our forum and said his buddy with a 95 made 270ish at brothers. Just wandering if that was you.

With the mods below my car made 270.0 rwhp 306rwtq.

yeah.. that was me :) ... Darrens car (96GTS) made over 323rwhp with a stock 01 cobra motor and LT's.. now his car is sick...