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Old 11-08-2017, 11:28 AM   #18
Fastest FWD GA
MilzyZ34's Avatar
AKA: Mike
Join Date: Aug 2003
Location: Dayton, OH
Age: 38
Posts: 942
Vehicle: 1999 Grand Am GT
MilzyZ34 Gettin' there
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I went ahead and made some new quotes too, for what it takes to do a 3900 swap into an N-body. For comparison purposes, I worked up the pricing to do a 3500/6-speed swap as well.

So as our baseline, the price for us to do a stock 3500 swap with 6-speed transmission and upgraded clutch and billet flywheel kit is $8900. The transmission parts and labor of this build make up for $7135 of this price, meaning if you just wanted to bring the car here and skip the engine, use your current engine, that would be the price.

For the 3900 swap, the options would be for a 6-speed manual or for a 4t65e automatic.
So for the manual, the price starts at $12,880 with the same trans options as the 3500 above. For an automatic, it's tricky, because we have to use guts from one transmission and the case from another, plus the usual swapping of parts we need to do to make our 3.29 geared HD transmission, so it costs a little more than our normal 4t65e conversion, but the price to do a 3900 automatic swap starts at $10,670
1999 Z34 - Was a Stage 3 3800 Supercharged, but not fast enough so I have some new plans for her.
1999 Grand Am GT Race Car - 12.1 sec ET, STOCK motor, 10 psi

Last edited by MilzyZ34; 11-08-2017 at 12:04 PM.
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