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Topic: Tranny Tunnel Insulation

in Forum: C3 Driveline Components


Tranny Tunnel Insulation

Posted: 8/24/06 7:45pm Message 1 of 16
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Has anyone intalled the tranny tunnel insulator with the transmission still installed. I'm going to be replacing my shifter soon and thought I might be able to sneak that insulator in at the same time. I also would like to install the foam collar as well.

Any ideas?


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Tranny Tunnel Insulation

Posted: 8/24/06 7:50pm Message 2 of 16
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Duncanville, TX - USA
Joined: 11/8/2003
Posts: 20214
Vette(s): #1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas
I think it can be done, but, I've never tried it. I know the foam collar can be installed with the trans in, 'cause I have done that!

If you have a 4 speed, the tunnel insulation should go on, but you may need to remove the shifter/linkage. With an automatic, it's gonna be tight, if not impossible!


Joel Adams
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Tranny Tunnel Insulation

Posted: 8/24/06 8:15pm Message 3 of 16
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Irving, TX - USA
Joined: 8/21/2004
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Vette(s): #1 -1969 Corvette Coupe Riverside Gold, black interior,MN,A/C,350/350,PS,PB,window cranks. #2 -2000 C5, black/black, 6 sp, Bose system & lots of buttons.
I had the tunnel insulation replaced (the original was all wadded up).  This was done with the tranny out.


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Tranny Tunnel Insulation

Posted: 8/24/06 9:26pm Message 4 of 16
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DeBerry, TX - USA
Joined: 2/27/2002
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Vette(s): 1971 383 Stroker- mille miglia red...5 speed
 I had the tunnel insulation installed when Joel was rebuilding my trans.  Couldn't tell much difference heat wise, but I didn't put the foam collar in. I hear that makes a significant difference. Approx. # 78 on my to do list.  I don't think you could install the tunnel insul.  with the trans. in. Just not enough room. My 2 cents.


   I know the voices aren't real, but they have some pretty cool ideas...

Tranny Tunnel Insulation

Posted: 8/25/06 3:01pm Message 5 of 16
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Irving, TX - USA
Joined: 8/21/2004
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Vette(s): #1 -1969 Corvette Coupe Riverside Gold, black interior,MN,A/C,350/350,PS,PB,window cranks. #2 -2000 C5, black/black, 6 sp, Bose system & lots of buttons.
Joel did your tranny?  Did he do a good job??   When the time comes (hopefully not soon), I was gonna let "THE JOEL" rebuild that Muncie.  I had the foam collar replaced at the same time with the insulation.  The tranny was out.  I could tell a difference.


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MICK - C3VR Lifetime Member #113

Tranny Tunnel Insulation

Posted: 8/25/06 3:18pm Message 6 of 16
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DeBerry, TX - USA
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Vette(s): 1971 383 Stroker- mille miglia red...5 speed

 Well, it grinds going into first, can't get it into second and have no reverse. Like most of his advise..crappy

 No, he did a great job. Probably the ONLY thing I've EVER had done that was right. Now if I could just get him to do the rest of what it needs............ Got a job yet, Joel?




   I know the voices aren't real, but they have some pretty cool ideas...

Tranny Tunnel Insulation

Posted: 8/25/06 4:30pm Message 7 of 16
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Duncanville, TX - USA
Joined: 11/8/2003
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Vette(s): #1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas
[QUOTE=longhorn294]

 Well, it grinds going into first, can't get it into second and have no reverse. Like most of his advise..crappy


 No, he did a great job. Probably the ONLY thing I've EVER had done that was right. Now if I could just get him to do the rest of what it needs............ Got a job yet, Joel?

[/QUOTE]

Sounds like operator error to me.

And, no, I still don't have a job, but thanx for askin...


Joel Adams
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Tranny Tunnel Insulation

Posted: 8/25/06 4:31pm Message 8 of 16
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Huntsville, AL - USA
Joined: 11/15/2003
Posts: 857
Vette(s): 1971 convertible,375 HP 350ci,Muncie 4-speed,Edelbrock aluminum heads and RPM air-gap manifold,HEI distrubiter - old school mechanical tach drive. LOUD side exhaust!

[QUOTE=greypoupon69]Joel did your tranny?  Did he do a good job??   When the time comes (hopefully not soon), I was gonna let "THE JOEL" rebuild that Muncie.  I had the foam collar replaced at the same time with the insulation.  The tranny was out.  I could tell a difference. [/QUOTE]

He better have - I just shipped my tranny to him today! 




Tranny Tunnel Insulation

Posted: 8/25/06 4:35pm Message 9 of 16
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Huntsville, AL - USA
Joined: 11/15/2003
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Vette(s): 1971 convertible,375 HP 350ci,Muncie 4-speed,Edelbrock aluminum heads and RPM air-gap manifold,HEI distrubiter - old school mechanical tach drive. LOUD side exhaust!
Charlie - my car didn't have the tranny tunnel insulator installed. PO removed it. I got a new one to put in while the tranny is out. I don't think you'll be able to get it in with the tranny in the car - just not enough room.


Tranny Tunnel Insulation

Posted: 2/7/09 11:26am Message 10 of 16
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Bloomfield Hills, MI - USA
Joined: 6/29/2008
Posts: 199
Vette(s): 1975 Corvette coupe, 4 speed manual, 383 ci 9.5:1,Edelbrock dual plane Air Gap intake, Alum Heads,Comp Cam, roller Rockers, PS,PB,Tilt
How did you rivet in the clips that hold the insulation?
My clips are damaged and I need to put new ones in.



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