4L80 behind sbc in 66 Chevelle?
03-22-2011, 09:06 PM
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4L80 behind sbc in 66 Chevelle? Ordered the Stage II 4L80 with transbrake from Jakes's Performance. Also did the search on the Team Chevelle site and i still don't know the whole story. Anyone recently installed a 4L80 in a 66 Chevelle? There's not much new info over at TC. It will be bolted to a Dart block sbc 406. I ordered the old style with easier access cooler line. I also understand that I will need to move the crossmember back. Will the 4L80 convertor bolt to old sbc flywheel? How much trans. tunnel massaging is needed? Will I need new driveshaft yoke or will th350 yoke work? I will probably need to get driveshaft shortened. What kind of shift cable to use? Lokar? More questions to come as I get started. Thanks in advance.
03-22-2011, 09:38 PM
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T400 yoke, should have got it from Jake....
depends on flex plate for converter to bolt up.
big pattern needs minor slotting.
Just order converter with stock early big pattern.
I picked CircleD for my ~600hp all motor build. money well spent over shelf converter......
cable doesn't matter - bracket and shifter does
Jake knows all this stuff.
I hope Jake see's all this plugging for him..... I need to order my TB still.
depends on flex plate for converter to bolt up.
big pattern needs minor slotting.
Just order converter with stock early big pattern.
I picked CircleD for my ~600hp all motor build. money well spent over shelf converter......
cable doesn't matter - bracket and shifter does
Jake knows all this stuff.
I hope Jake see's all this plugging for him..... I need to order my TB still.
03-22-2011, 09:56 PM
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Thanks Turbo!! I'll have to talk to Jake about that stuff before he ships it. I have a B&M street bandit shifter. I was curious about the actual mounting bracket to trans. for cable.
03-23-2011, 08:43 AM
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Sweet performance makes adaptor fittings to go from the tranny to -6 an or -8 an . They didnt have them when I did mine so I had to make my own.I also used a B&M shift cable. JOHN
06-20-2011, 10:00 PM
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Ok, so I have it in but am having issues with fitment. The old Energy Suspension trans. mount is way too thick to fit between the trans. and crossmember. I have a crossmember from www.crossmembers.com Anyone know of a thinner trans mount I could use?
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06-20-2011, 10:18 PM
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I've been reading John 67 thread on here, he has a 67 Chevelle with LS2 and 4L80. He made his own crossember. Where I have this monster http://www.crossmembers.com/shop/pro...products_id=75 to deal with.
06-21-2011, 08:36 AM
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The trans is hitting in the back of the tunnel, beacuse the Energy Suspension mount is too thick, about 2 3/4". Which is the same one I used for the TH350 that was in the car. Either I will have to fab up a new crossemember or find a thinner trans. mount. Also, going to have to dent the floorboard in order to thread the 45* swivel Earls cooler line fitting on.
06-21-2011, 09:51 AM
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couldnt you weld a perch lower on that crossmember to allow room for the thick mount ? you can slide that crossmember foward or back, correct ? also watch on the drivers side where the electrical plugs go into the trans - one of mine was hitting the body and started to leak fluid , just pushed up the tunnel in that area . the cooling lines are a pain !!! JOHN
06-21-2011, 01:26 PM
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Trans rubber mount heights The stock 4L80 truck mount is supposed to be around 2.2 inches tall and less.
There are at least 3 of them from a Q&A in one of the mags last few months that I've read. About 1.9-2.2 tall.
The 80 will take any 350/700 style mount. Same bolt spacing.
Edit: from August 2011 Hot Rod Pit Stop section
22188145- 85' 700 1.930" yellow stripe
15788797- 06/07 60E 2.2 yellow green stripe
15820075- 05' 6.0/80E 2.18 pink stripe
There are at least 3 of them from a Q&A in one of the mags last few months that I've read. About 1.9-2.2 tall.
The 80 will take any 350/700 style mount. Same bolt spacing.
Edit: from August 2011 Hot Rod Pit Stop section
22188145- 85' 700 1.930" yellow stripe
15788797- 06/07 60E 2.2 yellow green stripe
15820075- 05' 6.0/80E 2.18 pink stripe
Last edited by TurboS10; 06-21-2011 at 10:41 PM.
07-05-2011, 09:57 PM
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New custom crossmember fabbed up and custom tps bracket made. Driveshaft shortened. Trans lines hooked up and all electronics in. Ordered new B&M Magnum prostick because the Street Bandit wont work. Hopefully drive it in a few days. Wow, this is an old thread.
