Update on my '70 Chevelle... - Chevelle Tech
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post #1 of 7 (permalink) Old Jan 14th, 09, 12:56 PM Thread Starter
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clif
 
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Update on my '70 Chevelle...

Had an issue with engine height (original 307 car..guy had tall steel mounts on it)...put correct poly mounts on it but tranny was too high (for my liking) so we cut the tranny mount off and re-welded it to the cross member

Motor had a popping in it when you first started it (468,10 to 1,Victor G manifold,781 heads, Eddy 800 carb)..thought it might be a valve too tight....installed a new Holley 770 Street Avenger carb...woila...no more popping

This weekend gonna install my Flowmaster 3" mandrel bent system with Delta 50 series muffs.....that should wrap up the underneath (except for Diff girdle and sway bar)...now its on to the interior
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post #2 of 7 (permalink) Old Jan 14th, 09, 1:15 PM
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Re: Update on my '70 Chevelle...

Sounds like you are working hard on your Chevelle.
How about some pictures.
Ray

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post #3 of 7 (permalink) Old Jan 14th, 09, 1:18 PM Thread Starter
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Re: Update on my '70 Chevelle...

Quote:
Originally Posted by shadowgray396 View Post
Sounds like you are working hard on your Chevelle.
How about some pictures.
Ray

I'll get some this weekend and post em
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post #4 of 7 (permalink) Old Jan 14th, 09, 3:11 PM
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Paul
 
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Re: Update on my '70 Chevelle...

Not following with the tranny being too high? I did the same thing with a 307 car used the tall and narrow factory frame mounts with poly mounts mating a 396 to a th350.

I did not notice what you are describing or any other issues regarding height of engine fan to shroud interference, hood clearance etc. You have me worried.
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post #5 of 7 (permalink) Old Jan 14th, 09, 3:31 PM Thread Starter
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Re: Update on my '70 Chevelle...

Quote:
Originally Posted by Green-cars-live-forever View Post
Not following with the tranny being too high? I did the same thing with a 307 car used the tall and narrow factory frame mounts with poly mounts mating a 396 to a th350.

I did not notice what you are describing or any other issues regarding height of engine fan to shroud interference, hood clearance etc. You have me worried.

307's came stock with the short/wide mounts (there's also a tall/ narrow choice as far as mounts go).....mine had the stock frame stand and the tall/narrow steel mounts on it when I got it....tranny (also a 350) had a Energy Susp mount on it.....the yoke/ujoint was really close the the floor (body mounts OK)......I put the short/wide Energy motor mounts on and since it was still close with the same tranny mount I tried to find a shorter tranny mount.....it was less work to just cut the bracket off the crossmember and re weld it 1/2 lower....worked for me
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post #6 of 7 (permalink) Old Jan 15th, 09, 12:53 AM
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Re: Update on my '70 Chevelle...

THose Energy Suspension Tranny mounts cause the pinion angle to be off......something that Energer Suspension DOESN'T TELL YOU!! I had one on my 70, the car had a vibration between 60-75 MPH. I put a stock mount on, problem gone. I had the tranny mount changed in 5 minutes..alot less work than cutting and rewelding

Tom Rightler, MCC VP & Newsletter Editor
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post #7 of 7 (permalink) Old Jan 15th, 09, 8:57 AM Thread Starter
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clif
 
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Re: Update on my '70 Chevelle...

Quote:
Originally Posted by BlueSS454 View Post
THose Energy Suspension Tranny mounts cause the pinion angle to be off......something that Energer Suspension DOESN'T TELL YOU!! I had one on my 70, the car had a vibration between 60-75 MPH. I put a stock mount on, problem gone. I had the tranny mount changed in 5 minutes..alot less work than cutting and rewelding

yeah....I tried that......stock mount was MAYBE an 1/8 of an inch shorter.....didn't work for me
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