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The Body Shop TECH General questions that don't fit in any other forum |
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#1
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68gto radiator support
Here are two pictures. One is the kit Ames sent me. The other is a picture of the original mount flange with nut built in. Did they send me the correct kit or is this for other year? I thought I would get two bolts and bushing with no nuts since they are part of that mount? Any one have a diagram of how it goes together . For my 68 GTO. Post on 68/69 tech section also Doug
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1979 Trans Am 307 RWHP 380RWTQ 13.8@103 1979 400 Block, 1970 Heads, Unknown Cam, Comp Cam Lifters, Edelbrock RPM Intake, Hedman Headers, Holley 750 Carb, WFO Drop Base SOLD 1968 GTO convertable project. 400 auto with air. west coast car . Not started in 15 ..update now running (around block spinning tires all the way. Have a lot of cosmetic work to do winter of 17/18 1969 GTO 400 4 Speed this a complete project. Rebuild will start in spring of 2017. SOLD |
#2
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The plate with integral nut is original, the replacement bushing kits come with just a nut and lockwasher as that is cheaper and generic.
I didn't want to screw around with trying to get the nuts installed and my original plates were rotten, so I made my own plates out of 1/8" steel and just welded the nuts on. I have a 70 (and may be different than 68), but on mine, starting at the bottom, you have the bolt, then large washer, then bushing with sleeve, then insert all that into the rad support from the bottom, then above you install the other half of bushing, then the other large washer, then that goes up against the bottom of the frame horn and the bolt is tightened into the nut plate inside the frame.
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Michael 1970 Oshawa built 1 option Judge. 24 year restoration/upgrade project finally finished! 1979 Trans Am - low-buck drag car project for when I retire |
#3
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My problem is once I get all that on I don't think the bolt is long enough . The flange that I have is good and will clean up I also have the other. Can't find original bolts now but thought they were much longer. GM must have used that flange nut for a reason . Don't think you can get at it it after all parts are installed ?
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1979 Trans Am 307 RWHP 380RWTQ 13.8@103 1979 400 Block, 1970 Heads, Unknown Cam, Comp Cam Lifters, Edelbrock RPM Intake, Hedman Headers, Holley 750 Carb, WFO Drop Base SOLD 1968 GTO convertable project. 400 auto with air. west coast car . Not started in 15 ..update now running (around block spinning tires all the way. Have a lot of cosmetic work to do winter of 17/18 1969 GTO 400 4 Speed this a complete project. Rebuild will start in spring of 2017. SOLD |
#4
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The way the rad support is installed around the frame horn, you can get at the nut OK with a wrench but it just make adjustment of the support more of a PITA since you need 2 hands to deal with the fasteners while trying to move or hold the support.
I suspect the bolt length should be the same for 68-70 since the aftermarket rad support is the same part #. I just measured my bolts from the replacement bushing kit I have and they are 3" long, which is enough length to get through the bushings and well through the plate/nut.
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Michael 1970 Oshawa built 1 option Judge. 24 year restoration/upgrade project finally finished! 1979 Trans Am - low-buck drag car project for when I retire |
#5
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Ok thanks for feedback on that . I'm a week away from putting in but just wanted to be ready . Maybe I will just go out and get a couple bolt and use the original flange nut combo. The bolts both broke off but did get them out of flange. Thanks for help Doug
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1979 Trans Am 307 RWHP 380RWTQ 13.8@103 1979 400 Block, 1970 Heads, Unknown Cam, Comp Cam Lifters, Edelbrock RPM Intake, Hedman Headers, Holley 750 Carb, WFO Drop Base SOLD 1968 GTO convertable project. 400 auto with air. west coast car . Not started in 15 ..update now running (around block spinning tires all the way. Have a lot of cosmetic work to do winter of 17/18 1969 GTO 400 4 Speed this a complete project. Rebuild will start in spring of 2017. SOLD |
#6
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So, I have an issue with my core support bushing holes.
I think the holes are rusted out and now the bushing presses through the core support when tightened. Other than a new core support, what are my options?
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1979 Trans Am 307 RWHP 380RWTQ 13.8@103 1979 400 Block, 1970 Heads, Unknown Cam, Comp Cam Lifters, Edelbrock RPM Intake, Hedman Headers, Holley 750 Carb, WFO Drop Base SOLD 1968 GTO convertable project. 400 auto with air. west coast car . Not started in 15 ..update now running (around block spinning tires all the way. Have a lot of cosmetic work to do winter of 17/18 1969 GTO 400 4 Speed this a complete project. Rebuild will start in spring of 2017. SOLD |
#7
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I welded in a patch on mine and cut a new hole.
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Ken '68 GTO - Ram Air II 464 - 236/242 roller - 9.5” TSP converter - Moser 3.55 Truetrac (build thread | walk around) '95 Comp T/A #6 M6 - bone stock (pics) |
#8
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That's what I was thinking or a large washer welded over hole but drilled out big enough for bushing sleeve to fit in. That's the only rust on whole support this must be fairly common ? I'm thinking water just collects at rubber bushing and rust it out. Surprised no kit to fix. Doug
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1979 Trans Am 307 RWHP 380RWTQ 13.8@103 1979 400 Block, 1970 Heads, Unknown Cam, Comp Cam Lifters, Edelbrock RPM Intake, Hedman Headers, Holley 750 Carb, WFO Drop Base SOLD 1968 GTO convertable project. 400 auto with air. west coast car . Not started in 15 ..update now running (around block spinning tires all the way. Have a lot of cosmetic work to do winter of 17/18 1969 GTO 400 4 Speed this a complete project. Rebuild will start in spring of 2017. SOLD |
#9
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Does anyone have picture of the supports and how they should be condition wise? Really looking for picture of holes on bottom. I think it goes bolt large washer bushing with sleeve from bottom through core support then other bushing washer and bolt? I hoping someone can tell me that's correct or what is . Thanks Doug
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1979 Trans Am 307 RWHP 380RWTQ 13.8@103 1979 400 Block, 1970 Heads, Unknown Cam, Comp Cam Lifters, Edelbrock RPM Intake, Hedman Headers, Holley 750 Carb, WFO Drop Base SOLD 1968 GTO convertable project. 400 auto with air. west coast car . Not started in 15 ..update now running (around block spinning tires all the way. Have a lot of cosmetic work to do winter of 17/18 1969 GTO 400 4 Speed this a complete project. Rebuild will start in spring of 2017. SOLD |
#10
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Sounds about right for the order.
I believe the original holes were oblong to allow for side to side adjustment. When fixed mine, I measured carefully and used a hole saw to recut the holes. I might have a diagram somewhere in the '69 assembly manual.
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Ken '68 GTO - Ram Air II 464 - 236/242 roller - 9.5” TSP converter - Moser 3.55 Truetrac (build thread | walk around) '95 Comp T/A #6 M6 - bone stock (pics) |
#11
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Make a patch, hole saw it to suit bushing, and assemble per mrennie picture posted earlier which is correct.
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Dave. Check my build thread here http://forums.maxperformanceinc.com/...d.php?t=753467 |
#12
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Thanks guys for support. Just one last question is the hole size? Should it be just big enough for that sleeve to fit or a little bigger to allow adjustment side to side ? Thanks again and will weld in tomorrow . Doug
__________________
1979 Trans Am 307 RWHP 380RWTQ 13.8@103 1979 400 Block, 1970 Heads, Unknown Cam, Comp Cam Lifters, Edelbrock RPM Intake, Hedman Headers, Holley 750 Carb, WFO Drop Base SOLD 1968 GTO convertable project. 400 auto with air. west coast car . Not started in 15 ..update now running (around block spinning tires all the way. Have a lot of cosmetic work to do winter of 17/18 1969 GTO 400 4 Speed this a complete project. Rebuild will start in spring of 2017. SOLD |
#13
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Here are some pics from my afternarket rad support. The hole is 1".
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Michael 1970 Oshawa built 1 option Judge. 24 year restoration/upgrade project finally finished! 1979 Trans Am - low-buck drag car project for when I retire |
#14
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I also think the holes are oblong to allow adjustment. Pic of my old one from 70 LeMans shows the shape, even with the rust damage.
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#15
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Makes sense because I don't think once that sleeve is in the one inch hole you can move it side to side. It will fit snug, The original had no sleeve so you could move because of just the bolt going through that hole? Make sense? I think ? Maybe ? I might be putting to much thought into this . Doug
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1979 Trans Am 307 RWHP 380RWTQ 13.8@103 1979 400 Block, 1970 Heads, Unknown Cam, Comp Cam Lifters, Edelbrock RPM Intake, Hedman Headers, Holley 750 Carb, WFO Drop Base SOLD 1968 GTO convertable project. 400 auto with air. west coast car . Not started in 15 ..update now running (around block spinning tires all the way. Have a lot of cosmetic work to do winter of 17/18 1969 GTO 400 4 Speed this a complete project. Rebuild will start in spring of 2017. SOLD |
#16
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Sure it makes sense. You're not overthinking, you're planning ahead!
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