Converting to 4 on the floor from 3 on the tree - The 1947 - Present Chevrolet & GMC Truck Message Board Network

tranz am · 04-05-2007, 01:19 PM

I'm trying to gather information on how to get rid of my 3 on the tree. The linkage is so worn out that the shifter constantly slips past the gears into limbo.

I have a fresh M21 to install instead of the three speed and would like to no where I might find the correct parts to convert the shifter to the floor. If any one has done this any advise would be helpful.

pissonNOS · 04-05-2007, 01:44 PM

when mine was done i just got a hurst shifter and linkage jegs or summit should have that stuff

http://www.jegs.com/webapp/wcs/store...49299_-1_10523

Rdrdave · 04-05-2007, 03:10 PM

That's my setup. I bought mine from Summit (no promo) works great and quick. oH YEAH, like 1970CST said...i replaced my bellhousing with 621 bell.

**1970 CST Short Wide** · 04-05-2007, 03:15 PM

One thing to watch for is how the front cover on the 4 speed fits the bell housing. I believe the 4 speed front cover is smaller than the 3 speed so be careful when lining things up. If the Trans is not centered properly you'll wear things out in a hurry. Other than that it all works well

04-05-2007, 01:19 PM	#1
tranz am Registered User Join Date: Apr 2007 Location: Santa Rosa, Ca Posts: 586	Converting to 4 on the floor from 3 on the tree I'm trying to gather information on how to get rid of my 3 on the tree. The linkage is so worn out that the shifter constantly slips past the gears into limbo. I have a fresh M21 to install instead of the three speed and would like to no where I might find the correct parts to convert the shifter to the floor. If any one has done this any advise would be helpful. __________________ My build thread http://67-72chevytrucks.com/vboard/s...d.php?t=456220 Best 1/4 mile time 12.1 @ 111 w/traction issues 1969 GMC SWB 1964 chevy II Nova ht

04-05-2007, 01:44 PM	#2
pissonNOS senior member Join Date: Feb 2003 Location: fort macleod alberta Posts: 2,770	Re: Converting to 4 on the floor from 3 on the tree when mine was done i just got a hurst shifter and linkage jegs or summit should have that stuff http://www.jegs.com/webapp/wcs/store...49299_-1_10523 __________________ 69 GMC bagged Last edited by pissonNOS; 04-05-2007 at 01:48 PM.

04-05-2007, 03:10 PM	#3
Rdrdave Broke and still trying Join Date: Apr 2003 Location: Alameda, CA Posts: 562	Re: Converting to 4 on the floor from 3 on the tree That's my setup. I bought mine from Summit (no promo) works great and quick. oH YEAH, like 1970CST said...i replaced my bellhousing with 621 bell. Last edited by Rdrdave; 04-05-2007 at 03:19 PM.

04-05-2007, 03:15 PM	#4
1970 CST Short Wide Senior Moment Join Date: Mar 2002 Location: Pittsburg Ca Posts: 4,185	Re: Converting to 4 on the floor from 3 on the tree One thing to watch for is how the front cover on the 4 speed fits the bell housing. I believe the 4 speed front cover is smaller than the 3 speed so be careful when lining things up. If the Trans is not centered properly you'll wear things out in a hurry. Other than that it all works well __________________ 1970 CST LS 1 6 speed Ford 9 inch Detroit Tru Track, Dakota Didgital, Vintage Air, QA1 Coil Overs Front & Rear Lots of FUN 2013 GMC PU, Oldest Son 71 GMC LWB. QA1 Suspension, Angry SB. Youngest Son 2019 GMC Diesil Dually. Youngest Son 2017 Toyota SUV Daughters car 2018 Traverse , Wife’s Ride Pittsburg Ca 94565



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