Engine 92 GT dyno graph

AnthonyA1234

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Aug 17, 2020
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This dyno graph was in the cars glovebox when I bought it. Figured I’d post it here and see what you guys think about it. 275 is a pretty good amount for these cars right? The mods from what I know are: cobra intake manifold, x303 cam, bbk fender well cai, borla catback, 3.73 gears. The car could have gt40 heads I’m not sure. Do these numbers sound right with the mods my car has?
 

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AnthonyA1234

Active Member
Aug 17, 2020
316
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Florida
Comes out to around 315HP/350TQ at the crank assuming 15% drivetrain loss.

There's gotta be some type of head on the car to make those numbers.
Nice! Yea the cars description on its listing said top end is all cobra but when I asked if it had gt40 heads he said he wasn’t sure. But that’s good to know it does have aftermarket heads
 

Mustang5L5

Put lubricant all over the balls
Mod Dude
Feb 18, 2001
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Those numbers seem strong for GT40 iron heads. You would typically see about 250 rwHP out of those.

I'd check to see if you have aluminum heads on there.
 
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