Impala Tech - View Single Post - Engine swap
Thread: Engine swap
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post #3 of (permalink) Old 10-02-2019, 08:12 AM
68WASAGOODYEAR
Senior Member
 
Join Date: Jan 2018
Location: Greenville, SC
Posts: 394
 
If it's the 4.3l V-6, it is literally a 350 sans two cylinders. The V6 is going to have to work that much harder to move that big car around, so if you're looking for fuel economy you probably won't see an improvement. Keep the 350 and look at an OD transmission. If you're just looking for less power, you're going in the right direction.

1968 Impala SS
496 Stroker
T56 Conversion
3.73 Posi-Trac
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