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#1
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Assembling my 1970 Nova and having problem with cowl panel alignment. The fenders align correctly with the doors, as does the hood, but the cowl panel does not; it sits a little lower than the top of the fenders and hood. Am I missing some sort of bracket or shims needed to elevate the cowl panel for proper alignment?
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'70 L78 NOVA SS '77 Bronco |
#2
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There are shims that go under the small screws that hold the cowl onto the top of the f/wall. The cowl panels generally fit very poor, especially at the ends where it goes under the windshield reveal molding. There are triangular shaped, closed cell foam, wedges that are glued to the underside of the cowl - I'm not totally sure what they are for, but.....
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Marlin 70 Yenko Nova-350/360, 4speed M21, 4.10 Posi (Daddy's Ride) 69 SS Nova-396/375hp, 4speed M20, 3.55 Posi (Benjamin's Ride) 67 RS Camaro-327/250hp, 2speed Glide, & 3.08 Open (Danny's Ride) |
#3
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Thanks, the assembly manual was some help, going to a junk yard to look at a nova that still has the cowl panel and see what I can figure out.
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'70 L78 NOVA SS '77 Bronco |
#4
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[ QUOTE ]
There are triangular shaped, closed cell foam, wedges that are glued to the underside of the cowl - I'm not totally sure what they are for, but..... [/ QUOTE ] I believe the foam is there to prevent debris from going past that point and collecting down between the inside of the fender and the cowl side panel. Of course, when that foam falls off, then stuff gets down there and contributes to rotting the fenders from the inside out.
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Allen 1970 Nova SS L34 396/350hp, 4-speed, 3.31 gears 1969 Corvette 350/300, 4-speed, 3.36 gears |
#5
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I always believed that they were there to help the air feed into the heater core better. I know I have never seen any NOS ones of these.
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Kim 1970 Nova Fathom Blue L78 M21 3:55 1970 Nova Classic White 454HO THM400 4:10 |
#6
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shims are a easy fix
but if you don't like using them the panel is made of sheet metal and can be tweeked to fit by a good bodyman
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69 L78SS |
#7
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Shims were used from the factory.
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"Knowledge is good" Emil Fabor 67 L/78 Camaro SS/RS H-H,1W,2LGSR,3SL,4K,5BY. (Sold) 70 L/78 Nova M-21,Black Cherry,Sandalwood Int. 09 Pontiac G8 GT Premium,Sport,Roof. Liquid Red. |
#8
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[ QUOTE ]
There are shims that go under the small screws that hold the cowl onto the top of the f/wall. The cowl panels generally fit very poor, especially at the ends where it goes under the windshield reveal molding. There are triangular shaped, closed cell foam, wedges that are glued to the underside of the cowl - I'm not totally sure what they are for, but..... [/ QUOTE ] Went to the junk yard and found the donor Nova. Removed the cowl panel and was surprised to see the number of shims that were under the screws! It appeared that a bunch of shims had been glued together at the factory to create one really thick shim, does this sound correct? I put these shims under my cowl panel and it aligned pretty good. Just want to make sure that this sounds correct or did some back-yard mechanic jury-rig this Nova. Anyone got a pic of the cowl panel by the hood hinge, showing the shims?? Thanks.
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'70 L78 NOVA SS '77 Bronco |
#9
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I can't say that I've seen 'factory glued shim packs', but the factory would/could use more than one shim at a given location. There are several different thickness' to the shims, so it's feasible that GM would mix-n-match as necessary.
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Marlin 70 Yenko Nova-350/360, 4speed M21, 4.10 Posi (Daddy's Ride) 69 SS Nova-396/375hp, 4speed M20, 3.55 Posi (Benjamin's Ride) 67 RS Camaro-327/250hp, 2speed Glide, & 3.08 Open (Danny's Ride) |
#10
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-----I think those thin shims tend to get glued or stuck together by rust. I have noticed this frequently......Bill S
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