C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

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Old Feb 17, 2009 | 08:34 PM
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I recently pulled the motor out of my 1985 vette. When i pulled the motor out I didn't pull the trans out with it. (4+3) would it be easier to pull the trans out too and put the motor back in the car with the trans attached to it or just try to put the motor back in the car with the trans still bolted up. The reason I ask this is because the motor was a pain in the rear to pull out with the trans in the car. The imput shaft was the problem because it sticks out so far. Or is there anything that i can do to make it easier to put the motor in the car without removing the trans? If at all possible I would like to leave the trans in the car.
Thanks,
Trey
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Old Feb 17, 2009 | 08:57 PM
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It can be done easily if you have a good cherry picker & the hood is off.

Be sure the clutch disc is on center, use an extra input shaft or a disc aligment tool to get it perfect.

Get some long bolts to screw into the bellhousing for guide studs. Cut the heads off the bolts & round the edges. IMPORTANT: make sure each guide stud will exit the trans mount holes.

Jack the front of the trans up as far as possible.

Leave the trans in gear & set the e brake if the rear wheels are not on the ground.

When the trans input shaft enters the throw out bearing you can turn the engine over with the balancer bolt to line up the clutch disc splines with the input shaft splines.
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Old Feb 17, 2009 | 09:13 PM
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Would you believe it if i told you i pulled the motor out with the hood on? LOL or are you gonna say "yes i believe you but good luck getting it back in" ?
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Old Feb 17, 2009 | 09:18 PM
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My motor is out right now for the 8th time.

1. Do not take the hood off, no reason to
2. Yes it is easier to put the engine down into the bay, attache the motor mounts and set the engine into position.
2. Support the engine then put the tranny onto the bell housing.


Spearing the engine onto the tranny is a pain and not necessary if the tranny is out.
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Old Feb 18, 2009 | 12:54 AM
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My tranny is not out of the car I never moved it. How hard is it to pull the trans out of the car or atleast move it enough to slide back and forth
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Old Feb 18, 2009 | 02:09 AM
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Its not that hard to pull the tranny.....the nuts on top of the beam are easy to get to with the motor out and the tranny sagging a bit in the front.......putting it back in is a little trickier, less clearance to install the nuts on top.....pain in the ****, but I got mine in by myself with 2 floor jacks and a lot of wrestling....make sure your car is as high in the air as you can get it (safely of course)....the motor was easy, with the hood on also....be sure to center that disc with the pilot bushing.
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Old Feb 18, 2009 | 06:55 AM
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Originally Posted by ArmyBoyATC
My tranny is not out of the car I never moved it. How hard is it to pull the trans out of the car or at least move it enough to slide back and forth
You have to drop the rear exhaust, take eh shift **** off, undo the rear U- Joint and remove the C-beam front and rear bolts to make this all easy. But remember, if you pull the drive shaft out of the tranny fluid will leak out of the tail shaft.

I have put my engine in,, with the tranny in the car and,,, out of the car and out of the car, with the tranny slid back away from the engine is by far the easiest way.

With it in the car is harder because the Damper interferes with the steering rack area when you are trying to get the bell housing in position on the tranny, it can be done but it slow you down quite a bit.
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Old Feb 18, 2009 | 05:40 PM
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Alright thanks. I will try my luck with the tranny in the car and let you know how much of a knuckle buster it was!
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Old Feb 18, 2009 | 11:35 PM
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Originally Posted by ArmyBoyATC
Alright thanks. I will try my luck with the tranny in the car and let you know how much of a knuckle buster it was!
I re and re-ed mine with the trans in, seemed to be the lesser of two evils.
Just go slow and use lots of common sense.
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Old Feb 19, 2009 | 09:29 AM
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I am off this week, let me know if you need some extra hands for anything. I can slide over and help.
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Old Feb 19, 2009 | 09:30 AM
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hood stays on.

trans and bellhsg stay in car.

optional but helpful: two 3/8-16 x 4" bolts with heads cut off (saw cut a slot for later screwdriver removal) for guides, one in lowest engine block hole each side.

watch engine block rear face and hold that face parallel top/bottom and side/side to the bellhsg face when sliding engine/clutch onto trans input shaft...good lighting is helpful, walk from side to side at least twice to judge parallel and do not rush.

if cyl heads are already on the engine, getting to the upper bellhsg/engine bolts is tight... leave the motor mounts out and lower the engine/trans (bottom two bolts thru bellhsg/engine installed) till the engine block rests on the frame tabs for a bit more knuckle room to install the upper bellhsg/eng bolts, then raise the engine/trans assy to install the motor mounts.

Last edited by redrose; Feb 19, 2009 at 10:01 AM.
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Old Feb 19, 2009 | 12:30 PM
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Originally Posted by HlhnEast
I am off this week, let me know if you need some extra hands for anything. I can slide over and help.
Thanks I will let you know. I really need some help with my headlights though. I STILL cant figure them out.
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Old Feb 19, 2009 | 03:16 PM
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Originally Posted by ArmyBoyATC
Thanks I will let you know. I really need some help with my headlights though. I STILL cant figure them out.
http://members.shaw.ca/dankai/Headlight%20Doors.pdf
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Old Feb 19, 2009 | 03:18 PM
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Originally Posted by ArmyBoyATC
Thanks I will let you know. I really need some help with my headlights though. I STILL cant figure them out.
http://members.shaw.ca/dankai/Headlight%20Doors.pdf
http://members.shaw.ca/agent86/Headl...0Foglights.pdf
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