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| The Body Shop TECH General questions that don't fit in any other forum |
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#1
05-08-2016, 09:47 PM
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Rear frame rails trans am
Anyone here replaced rear frame rails on a 77/78 firebird? If so we're did you find them or why don't any of the other years work?
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 www.bowhanger.com468 poncho powered 66 cutlass 77 Trans http://s1059.beta.photobucket.com/us...rnout.mp4.html |
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#2
05-09-2016, 11:06 PM
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Boy you guys ain't much help!
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www.bowhanger.com468 poncho powered 66 cutlass 77 Trans http://s1059.beta.photobucket.com/us...rnout.mp4.html |
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#3
05-21-2016, 10:53 PM
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The later 2nd gen Birds have a lower CG, which improved handling and the actual rear frame rail reflects this. I have replaced them in 2, 78 T/A. One I flanged and replaced most of the hump and back, the other car, did it all . Both time on its side, one was from a tractor, next was a rotary made for it. Get extra spot weld removed bits...
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"The Future Belongs to those who are STILL Willing to get their Hands Dirty" .. my Grandfather |
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#4
05-21-2016, 11:02 PM
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This is hit man address http://www.78ta.com/index.php this is another real good site for trans am info http://transamcountry.com/site/tac-mobile please let us know how thing go. If you have any picture of rust post and we can help a lot more based off them . Also post in the 77-81 trans am / fire bird tech section you might get more feed back . 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 Last edited by MD79TA; 05-21-2016 at 11:16 PM. |
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#5
05-21-2016, 11:27 PM
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I looked and didn't see anything on rear frame rails?
__________________
www.bowhanger.com468 poncho powered 66 cutlass 77 Trans http://s1059.beta.photobucket.com/us...rnout.mp4.html |
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#6
05-21-2016, 11:41 PM
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Sorry but you got to do a better job at search . Tons of info out there on frame rails 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 |
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#7
05-22-2016, 08:26 PM
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I m sure you have been told this but it is by no way a easy job. I would strongly suggest having it done . You real need to know what you are doing and having a jig to keep straight sure would help. But I have read of some doing them even bolted to body but just can't see that being a positive outcome. Still waiting to see some pictures maybe not that bad. 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 |
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#8
05-23-2016, 11:50 AM
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Thanks for the advice Doug but I have no problem doing it myself I was just seeing if there was any after market ones out there that would work other wise I will just make them
__________________
www.bowhanger.com468 poncho powered 66 cutlass 77 Trans http://s1059.beta.photobucket.com/us...rnout.mp4.html |
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#9
05-23-2016, 12:23 PM
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Most I have seen done use the rails from a donor car.
__________________
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 |
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#10
05-23-2016, 01:05 PM
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You must need the front sections ?
The rear 3/4 sections are readily available LH = FK371T RH = FK371V From our Host Ames performance.
__________________
"The Future Belongs to those who are STILL Willing to get their Hands Dirty" .. my Grandfather |
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#11
05-23-2016, 07:45 PM
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YESSIR!
__________________
www.bowhanger.com468 poncho powered 66 cutlass 77 Trans http://s1059.beta.photobucket.com/us...rnout.mp4.html |
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#12
05-23-2016, 10:00 PM
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I'm lost on this thread.
__________________
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 |
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#13
05-23-2016, 10:08 PM
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I asked because I could only find 79 and later complete rails and up to 76 but none for the 77 and 78 and was wondering what's the diff in them
__________________
www.bowhanger.com468 poncho powered 66 cutlass 77 Trans http://s1059.beta.photobucket.com/us...rnout.mp4.html |
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#14
05-23-2016, 10:18 PM
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Lost on what you need? Front or rear? If front just buy from junk yard and bolt them on. If rear again junk yard or buy new many venders don't think there is any difference on those years but Ames has a great tech department just call . That should take care of you . 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 |
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#15
05-23-2016, 11:12 PM
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I don't think there was any changes on these rails over the years. Im not and expert. Would think if any they would be minor. I m sure our friends at Ames could take care of you.
__________________
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 |
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#16
05-24-2016, 01:16 PM
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[QUOTE=Formulabruce;5578840]The later 2nd gen Birds have a lower CG, which improved handling and the actual rear frame rail reflects this. I have replaced them in 2, 78 T/A. One I flanged and replaced most of the hump and back, the other car, did it all . Both time on its side, one was from a tractor, next was a rotary made for it. Get extra spot weld removed bits...[/QUO Bruce I talked to Ames and it looks like the complete early ones are the same fit 70 to 73 but dont have some of the hardware mounting holes I think from the pictures they sent me that it wouldnt be to hard to make them work.
__________________
www.bowhanger.com468 poncho powered 66 cutlass 77 Trans http://s1059.beta.photobucket.com/us...rnout.mp4.html |
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#17
05-24-2016, 03:48 PM
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The car body was lowered on the frame in later years as the gas tank was put up into the trunk. The 70-73 dont have the later sway bar holes or reinforcements in the top of the arch. If Ames says the rest is the same, adding in that reinforcement and holes wouldnt be that big a deal. I dont have any out side by side to compare . Good luck !
__________________
"The Future Belongs to those who are STILL Willing to get their Hands Dirty" .. my Grandfather |
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#18
05-25-2016, 06:08 PM
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Quote:
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