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Old 07-12-2010, 12:13 AM
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chevy motor mount question

need help on swapping these out or ideas;

the 1977 novas take the motor mount syle with the rubber on bottom or the frame side and the top is a solid piece. 1964-1972 chevelles have the rubber on top and the solid piece on it is mounted to the frame or bottom.

l know nova pansits a little heigher on how high the oil pan placement from the cross member is and the chevelle pan is a real close fit.[ having had several of both of thse makes[ also the 2 oil pans themselves are a little different.

on the sub-frame in the 1950 dodge truck, it's a 1977 nova, l need to lower the motor about an inch. changing to the chevelle mounts will accomplish this.

the question;; has any one done this or can it be done?
putting chevelle motor mounts on a nova sub-frame even possable?

Later

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Old 07-13-2010, 01:22 AM
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your best bet is just to buy all new polyurethane motor mounts. all V8 chevy motor mounts are the same weather its a small block or a big block. they just made different styles of mounts. you can pick up a set of new motor mounts that will work for your exact application for about 50 bucks. if it was me i wouldnt reuse the old stuff, unless it was in like new condition.
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Old 07-13-2010, 04:05 AM
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agree

total agreement!l thought of doing the chevelle mounts because l have a new pair of top mounts on the wall and the bottom is steel so l don't think they will wear out. l checked and inspected where the bolt goes thru the frame mount and they are not egg-shaped or ovaled out so they will be fine.

thanks for the input,

Later
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Old 07-13-2010, 05:51 AM
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Its not likely that your Nova subframe will have the holes in the right place to mount the older style engine mounts.

I have a 76 Nova sub in my truck, with the stock mounts and it sits plenty low.......Are you planning on lowering the trans mount too?
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Old 07-13-2010, 08:51 AM
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yes

ya, l probally will have to drill new motor mount holes in the frame, lots of
measuring to get it centered. the top of my tranny hits the back of the floor pan so, yes l had planned on lowering the trans about a inch also.
then for sure will have to recheck pinion ange.

ohhh the joys of making stuff fit where ir was never designed to go thanks for the response.

Later
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Old 07-13-2010, 11:23 AM
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454, what turns your crank?
 

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Quote:
Originally Posted by skull

ohhh the joys of making stuff fit where ir was never designed to go thanks for the response.
thats the fun part! but yes these guys will know more about this stuff than i would, and he is right about the holes not lining up with a different set of mounts. i just happened to luck out with my mounts when i did a 305 to 454 conversion in the Firebird.
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Old 07-14-2010, 09:21 AM
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installed the motor

put in motor mounts from a 1972 chevelle today, that dropped the motor almost 2'' and moved it back a 1 1/2 inches, she's got a least a 10%
engine set back. with it set back that far l hope will make it handle ok.

when the engine was built we used a 1966 chevelle oil pan, since l had a dozen or so left over from my racing day's, and in the nova that put the clearence between the sub-frame crossmember and oil pan at 1'', its close but it works. there's lots of room for headers and all kinds of working room to get to the starter, oil filter and trans. exhaust wiil be easy, the pipes can go almost in a straight line out the back, dumping down just about 2'' past the rear bumper ..........



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