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Columbus, IN
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Installing a TKO into a ‘88 Cutlass (78’88 A/G-body)
This conversion will utilize the GM TKO 5sp.
This transmission will not fit into your tunnel without modifying the tunnel. You will have to “lift” the tunnel. For an example, see here: Tunnel surgery
You’ll also need to modify your crossmember, and shorten your driveshaft, and install the C6 slip yoke onto your driveshaft. And I really can’t yet address where the shifter will come up. I can tell you that the stock rearward shifter locaiton is centered in the tunnel, and is 19.5” from the front face of the trans. We also have some custom shifters available, see the custom shifters here.
We also sell the clutch pedal and linkages for $. That includes 1 clutch pedal, linkages, pivot ball clips, adjusting rod, etc. You will need to modify your existing brake pedal mount to allow this clutch pedal to mount in tandem with the brake pedal.
A steel bellhousing for an Olds 455 is $. And the Lakewood steel bellhousing (15050) for the GM application is $ . This is actually the bellhousing for a Chevy II, but no one makes an original replacement bell. The Chevy II bellhousing’s fork comes out a bit lower, but it will work fine with the G-Body linkages.
Here’s a couple of links to check out:
http://www.garage-scene.com/t5-into-ag-body/ (T5 installation, clutch pedals will apply)
http://www.monte-list.nu/tech/fivespeed.shtml (T5 installation, clutch pedals will apply)
http://www.crossmembers.com - Custom made crossmembers!
Cool Pages:
Gear Calculator
Build Quote
Tech Tips
Great for:
Pro-Touring
Hot Rods
Street
Rods
Musclecars
Pro-Street
Drag Race
Road Race
Trucks
and more!
