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Just got done with the first dyno on our first Trickflow car.
The car is owned by Chris Durbin and was already a built 2v. It was ported PI heads, stock intake, Comp 278 cams, C&L plenum and a Mac cold air intake. Numbers were 305 rwhp / 316 rwtq on 93 octane.
We decided to only swap the heads to get a good comparison. Plus he wasn't after alot of power as he run the car in NASA American Iron and it has a power to weight ratio spec. We swapped on the 38cc heads.
I'm happy to say the gains were what we were hoping for if not better! Obviously we picked up about a point of compression with the swap but we are still running pump gas.
New numbers are
353 RWHP 357 RWTQ
That peak gains of 48 rwhp and 33 rwtq!
I'm sure with a better intake and cams ground specifically for this setup there is plenty more on the table. Then add some porting some some tricky stuff to the shortblock and big power NA 2v's are going to become a reality. "
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TRADE MY Mach 1 HOOD + scoop set up for easy GT install (attached, no intake system necessary, unless you want it) for a COWL hood and maybe STOCK + CASH (but probably not). The hood is painted silver, in great shape, does need a color sand, but thats no biggie. Would prefer a swap for a silver one, but will consider many options. Need to trade due to changed plan on this car. RTP/Greensboro/Charlotte
compared to any other 2v head i'd say its amazing.
hell yeah it is! and that's only the peak gains. i'd like to see the before and after dyno charts, i bet it has a much fatter torque curve due to the increased mid-lift air flow. people are too quick to judge something based on peak numbers (like comparing the peak cfm of the TF heads to ported PI heads.. doesn't tell the whole story). now we just need to see someone port these and get some custom grind cams to see what it'll do. can't wait
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