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Old 08-05-2012, 01:56 PM   #1
Alan Roehrich
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Default Re: Holley carburetor question

Quote:
Originally Posted by Paul Merolla View Post
Absolutely right on the 4.10 / 700R4 combo, Alan. Just cruising around town, mine shifts into second in about 20 feet from a stop, and there's way too much rpm drop.
Danny - thanks for the comment on the Nova...it's close!
The gear ratios in a 200 4R are better, as it has a 2.75 low. But you need an expensive forward input drum to make it live, the shaft breaks on the 2-3 shift. You can reinforce the forward input drum and upgrade the sun gear shell in a 700 R4 way cheaper.

They actually use the rear planetary from a 700 R4 in a 350 to make a 2.75 low gear. I've considered using the TH350 rear planetary in a 700 R4, but never gotten around to it. A low gear of 2.75 or there about would make the 700 R4 a much better transmission for performance use, giving it a much closer ratio spread between 1st and 2nd, and a higher wheel/vehicle speed at the shift.
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