Same engine gets 617 HP with 11~1, the heads ported, & Hedman stepped race headers. I also bored it another .010" to get to the common 401 overbore size of 4.195", which can use Chevy 400 smallblock O.S. pistons.
Same engine gets 617 HP with 11~1, the heads ported, & Hedman stepped race headers. I also bored it another .010" to get to the common 401 overbore size of 4.195", which can use Chevy 400 smallblock O.S. pistons.
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'69 BigBadOrange AMX 390. Former NHRA 'Hot Rod", 9.80s @ mid 130s. Hurst/Airheart front discs brakes.
Nostalgia ProStock.
'71 AMX 401 w/5-speed Richmond RR trans. 4 wheel disc. 500++ HP. Nostalgia TransAm.
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mailto: dhoelcher@Comcast.net GPS: 41.78, -86.24
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