T56 to TKO swap - LS1TECH - Camaro and Firebird Forum Discussion



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T56 to TKO swap

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Old 02-23-2017, 02:19 PM   #1
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Default T56 to TKO swap

Has anyone done a swap on a 4th gen from the T56 6spd back to a 5spd? We road race our Camaro and have no need for the heaviness of the 6speed and the ridiculous 5th and 6th gear ratio's.
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Old 02-25-2017, 02:33 PM   #2
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Not exactly what you're asking, but there's a Mustang build in the conversions forum where the guy swapped to an LS motor but kept his 3550 tranny. https://ls1tech.com/forums/conversio...ec-3550-a.html - Different platform, obvoiusly, but might be useful to know what parts were needed.
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Old 02-26-2017, 05:06 PM   #3
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OP

this is what was done on a B-body LT1

Bellhousing

https://shiftsst.com/store/bellhousi...llhousing.html

Flywheel: 168 T BBC

Starter: GM 168 tooth

Clutch: 11" 26 spline x 1 1/8"

IDK what pilot bearing or T.O. slave but it was a "push" clutch

assume you need to fab up a X member

IDK if shifter position will wind up where yours is now

drive shaft....may require a custom.

Due to the size of the larger bell housing & TKO the tunnel had to be cut out & enlarged, welded back in. I doubt there is any more tunnel room in F-Body over the B-Body, maybe less...

so it seems doable....although in the end IDK what benefit over a T56...and not likely cheaper than going with a T56

If the gear ratio available from a TKO 500 or 600 makes for a better AutoX car vs the T56...IDK. Also Rear gear ratios and or tire size can be adjusted for any particular tranny gear set for a particular road course....

Tremec TKO 500 3.27, 1.98, 1.34, 1.00, 0.68
Tremec TKO 600 2.87, 1.89, 1.28, 1.00, 0.64 or 2.87, 1.89, 1.28, 1.00, 0.82

T56
Gear 94-97 '93
1 2.66 2.97
2 1.78 2.07
3 1.30 1.43
4 1.00 1.00
5 0.74 0.80
6 0.50 0.62

Last edited by BALLSS; 02-26-2017 at 06:02 PM.
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Old 02-27-2017, 09:44 PM   #4
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Quote:
Originally Posted by abrracing View Post
Has anyone done a swap on a 4th gen from the T56 6spd back to a 5spd? We road race our Camaro and have no need for the heaviness of the 6speed and the ridiculous 5th and 6th gear ratio's.
If you're actually a serious racer the TKO is terrible. You should be looking at a dog ring T10.

Andrew
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Old 03-01-2017, 10:10 AM   #5
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If you're actually a serious racer the TKO is terrible. You should be looking at a dog ring T10.

Andrew
Respectfully disagree the TKO is terrible. Most people do NOT know how to shift them correctly. It is NOT a Muncie, NO H pattern. I will be using one in my build. My buddies shifts like butter, even at 6,000.
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Old 03-01-2017, 05:54 PM   #6
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Originally Posted by DT69cam View Post
Respectfully disagree the TKO is terrible. Most people do NOT know how to shift them correctly. It is NOT a Muncie, NO H pattern. I will be using one in my build. My buddies shifts like butter, even at 6,000.
But for a purpose built race car, it's not exactly optimal.

Andrew
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