2003-04 Mach 1 Registry Owners Club

2003-04 Mach 1 Registry Owners Club (http://www.mach1registry.org/forums/index.php)

- Engine & Drivetrain (Including trans & rear axles) (http://www.mach1registry.org/forums/forumdisplay.php?f=64)

- - 4R swap + procharger (http://www.mach1registry.org/forums/showthread.php?t=107798)

ScreamingMach46

09-25-2010 07:29 PM

4R swap + procharger

Well my 3650 is a POS and I'm wanting to swap it out for a 4R70W but would like to know what has to be done to the trans to make sure it safely holds the 400+rwtq and 6500rpm I plan on after I pick up a procharger.

I was thinking I'd do a manual VB to save from having to get a PCM and full retune but do the clutch packs or any other internals need to be replaced?

I'm looking at an 03 GT 4R70W with a PI 3200 stall for $350, should I buy it or is there a better option?

jaimoe

09-25-2010 07:46 PM

Re: 4R swap + procharger

Talk to Darrin (member on here). He owns BC-Automotive. He builds the 4R70W for a living. He is the MAN when it comes to these trannies.

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