Series II L67/ 6 speed manual conversion (Work resumes! 5-5) - Page 12 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


Performance, Brainstorming & Tuning Talk about modifications, or anything else associated with performance enhancements. Have a new idea for performance/reliability? Post it here. No idea is stupid! (please use Detailing and Appearance for cosmetic ideas)

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Old 12-17-2007, 05:03 PM   #111
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I did some more mocking up...



There just isn't much room in this spot. Is it ok if the mount sits back a bit from the center of the two holes on the trans? I'd imagine it is but thought I'd ask in case it does some weird stuff. It would not be difficult to make a pad and bracket. NOTE: the duct tape on the strut rod is not intended as a permanent fix...



Little mount. I can see how the larger one with two bolts would be better but thought I'd show this too, and you can better see that there isnt much space to work in.



I removed the Reatta'* aluminum bracket and put the W body bracket and mount back on. Do you think it would be better to have this mount instead of the Reatta mount, or should I have both?



From the rear



I was thinking I could use this, or another one of these, as a rear mount



Another view of the W body bracket/mount. This wouldn't be hard to implement either
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Old 12-17-2007, 06:24 PM   #112
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No, you need something to locate the engine in the frame for axle alignment, etc. Use the stock Reatta rihgt front mount! That'* what I used to put the engine in my car with the -80E. Thank goodness the holes were still in the frame in '96 from the old mounting system (I took off the '96 tq axis mount and eliminated it). I had to build three addt;l mounts. Why build mounts unless you have to? If you put the W mount on, you'll hae no idea where to put the engine and fans, axles, etc will be lined up wrong (unless you use the stock mount to locate the engine with the stock transmission on it all all mounted up. THEN put the w mount on and weld a pad in place for it. THEN remove the trans and stock front motor mount and proceed building the 6-speed mounts. I wouldn;t do it, though...)
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Old 12-17-2007, 07:18 PM   #113
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Haha ok, sounds good to me. Is it ok for the trans side mount to be back a little bit as pictured?
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Old 12-17-2007, 07:32 PM   #114
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Quote:
Originally Posted by F14CRAZY
Haha ok, sounds good to me. Is it ok for the trans side mount to be back a little bit as pictured?
Yes. put it hwre you want it, then build your mount to it.
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Old 12-17-2007, 09:57 PM   #115
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sweeeeet, thanks again jeff
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Old 12-19-2007, 02:15 PM   #116
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You've probably seen this, but just in case, I thought you might find it interesting:
http://fp.enter.net/~rockcrawl/4T60a.html
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Old 12-22-2007, 07:53 PM   #117
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Finally, I was able to get Mario out here and we got some stuff done. We rented a stick welder and got stuff tacked. He had to go work tonight but he'll be back tomorrow.

I scraped up what scrap steel we had laying around. I'm going to finish the edges, prime, and paint stuff and fasten it with fresh hardware (along with painting the cradle and new front suspension stuff). Don't have a clue what kind of projects this steel was previously used for...





This is our trans side "torque axis" mount



This is for the G6'* front trans mount



This bad boy, near the steering rack, is the new rear trans mount (piece 1 of 3)





This is piece 3 of the rear trans mount. The smaller rubber mount with 1 stud is going to sit here, and another piece of angled steel, not pictured, is going to be bolted to the 1st and 3rd.
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Old 12-26-2007, 02:06 PM   #118
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Another good small mount is a round rubber with two studs, on on top and one on bottom. Look thru my 4T80 thread, I think they fit a BMW or something. I am using three of them on the Bonne.
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Old 12-26-2007, 10:40 PM   #119
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Thanks Jeff, will keep that BMW mount in mind.

Tonight, though it took two trips to Lowes for hardware, I've got the engine/trans mounts done! I should have got pix of the rear mount I finished but you'll see it soon. I've still got to adjust its level with washers (may have to do this again when it gets time to get the cradle back in the car), but otherwise, the cherry picker'* not holding it anymore

That and I've got to mount the jackshaft...I'm assuming it should mount to the cradle? The rest of my mind says it should somehow be mounted to the powertrain so the jackshaft will follow the powertrain'* movement on its axis, considering there isn't a universal joint where it plugs in. What do you think Jeff? (/anyone else)

Otherwise, I'll pick up another cheap mount and probably utilize the pad left on the cradle that was used on the passenger end of the 4T60.

Probably tomorrow I'll get to grinding off the excess and rough edges of my brackets and priming/painting them.
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Old 12-28-2007, 10:15 AM   #120
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The jack shaft mounts to the engine, always! Your feeling was right. Make sure the shaft is in good alignment with the trans output, there is not much play in there and it could get real ugly if the shaft was out of align.
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