|11-13-2011 08:21 AM|
|11-12-2011 06:49 AM|
typical 200-4r has a 27 spline output shaft
|11-12-2011 12:01 AM|
Something's off ^^.
A 2004R will bolt in easily.
Shorter DriveShaft with 32-Spline Yoke.
TV Cable and Brackets.
TCC Lockup Kit.
|11-11-2011 09:28 AM|
Something is way off here. You say that the tach and speedo are correct, but if this is in fact a 3.55 gear, with a converter that is relatively tight, 3500 RPM is out to lunch.
A couple of things come to mind:
The tach is set to 6 cyl.
The rear gear is more like 4.56.
The trans is not shifting into 3rd gear - it remains in 2nd.
Just for reference - a long time ago I had a Datsun pickup with a 4.38 gear and it would sit at 3600 RPM at 60 MPH, this with a 25" tire.
|11-11-2011 06:29 AM|
T-400 trans question
I have a th400 in a 1969 firebird, 3.55 rear, 25" tire. tach shows 3500rpm at 55mph. calculator says I should be at 2700rpm. trans and TQ conv are new 10/2010. 1800 stall. Any idea what might be wrong? tach and speedo are correct. thanks. also anyone do a 200r4 swap for a 69 firebird?