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I did a 273 in my 67 Barracuda fastback back in 91 or 92.030 over TRW pistons with 318 High swirl heads(#516 I think and came out about 10:1) 1.88/1.60 valves,510/286 Erson solid,reused the stock adjustable rockers with new Prods,Holley single plane, 625 AVS and cheap headrs.

I reused the finned VCs with wrinkle paint and the original air cleaner that I modded and painted the motor Chrysler red.

904 trans w/stock histall and 3.91 gears

The car made really good power to 7K.I never dynoed or made a pass with it but it was a lot of fun and revved really fast.

Pistons might be hard to find now though



273four, thanks for the reply! sounds like your 273 was pretty strong! I'm unable to drive a 4 speed(bad feet) but if I could i always thought a motor like the one you built along with a 4 gear would be great fun to drive! But since this car has a TF, I wanna make alotta TQ down low and only spin it to 6k or so. max if thats doable and still get the HP(380/400) I want.



you will NOT get any torque in low rpm with a 273. Even my bone stock barracuda with 273 2 barrel 904 and 3.23 gears should have had higher stallspeed.