master
Joined: Aug 2003
Posts: 3,245
Between a rock & a hard place
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You DON'T need 12.5:1 and you DON'T need a Hemi to run 10.90's. Plenty of guys in big heavy B-Bodys running those number w/ old school 590 solid cams and low-buck 440's. I'd probably run a newer grind or a solid roller. I'm running a 588 comp cams solid roller. I'm guessing it cold run 10.90's if I made a few changes, like swapping my 1 3/4" headers for 2" pulling the factory 6-pack for a M1 and 1050 DOM, adding cal-tracs and jumping from a 3800 to 4200 and changing my 3.91's to 4.30's but I drive it to and from the track, and all over so I like it the way it is. I will be adding the headers this winter so we shall see how much that helps.
If you are worried about compresion you can always run a $300 snow performace meth/water injection kit... it works!
Some days you really irk me. Do you have any 10 sec time slips with your 440? We have a guy running one in a very well set-up street legal B-body car with factory heads in the 10.70's. It ran 6.49 in the 1/8th!..Back in the day, all we had were factory heads, and that's what we made run 10.90's...Now a days the heads are x10's better, but you still have to get that weight going. 3400lbs and then the driver is not light. So you still need some gear to match the tires & convertor, and good induction and a well tuned chassis. And no you don't need a Hemi, but with no tuning, right off the trailer, I am in the 10's...YOU?
Me thinks the Yuckster is dead on. Here's how we did it back in the mid 90's. Flat top TRW 440, 0 deck. Home ported 452 heads, .590 MP stick, M-1 Single plane, 850, iron rockers, 9" J converter and a 4.30 gear. On 9 x 30 slicks, through the muffs it went 10.90's until it was wore out. Best of 10.82 in good air. The car it was in? A very stock (frame tied, moly cage, no back seat, OE bucket seats, TA hood but all steel, OE windows...very streetable) 71 Challenger.
The same car, with STOCK 906 heads, a Stock Elim cam (not going to drive that on the street) and a 6-bbl went 11.20's. Changed to a 8" "race" converter and it ran 11.0s.
Car was "in excess" of 3400 lbs, too.
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