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Tech Question
jacob burnett, graham, WA, 1970 dodge dart 318
I have a 1970 Dodge Dart with a 318. It has dual exhaust and headers. I would like to know if my 600 cfm Holley carb would be a good upgrade over the stock 2 bbl? And do I need different linkage for throttle or transmission?
Jake-
Assuming square-bore, a 600 CFM carb is probably spot-on. However, don't expect 100% performance and driveability without some tuning (jets, accel. pump cam and squirter, secondary spring, etc.). Use the smallest manifold you can find, gotta be dual plane.
The throttle cable might just make it. If not, you can make up a simple extension using a piece of scrap aluminum with two holes, one slips over the carb lever stud, one get bolted (small machine screw) to the inside of the cable clevis.
The kickdown rod may have enough adjustment, if not, you'll need either a stock 340/360 4-Bbl rod, or a bit of fab'ing to extend it. Whatever you do, be sure the tranmission kicks down properly, otherwise it will burn up in short order.
Rick.
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