Thread: '76 Trans Am
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Old 02-28-2020, 12:31 PM
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Originally Posted by Dick Boneske View Post
Second, there is no info on the air cleaner for the shaker hood. We need nearly all the pieces to assemble the air cleaner, scoop, PCV plumbing, etc. for the stock Quadrajet. Any ideas?
eBay examples...
http://cgi.ebay.com/ws/eBayISAPI.dll...m=254475190190

http://cgi.ebay.com/ws/eBayISAPI.dll...m=274266531062


There were 3 air cleaner assemblies for the 4 bbl Firebirds in '76. A 350-4 bbl, a 400-4 bbl and the 400/455 Trans Am. The basic stamping of the base is probably the same between all three and will orient in correct position using a '75-up carburetor. The TA will probably have the square hole for the air breather in a different position than the other two. There should be a D hole stamped in the side for a valve going from a port on the vacuum tee thru the valve to a break valve on the carburetor ('75 has a similar hole but the D is turned). The bracket holding in the Auto-ThermAC diaphragm has straight edges on pre-'77 years. There is a flat stamping on the floor of the base for a sensor. Some have a hole for it, some don't (I'm thinking this is the difference between the 350 and the others).
The TA air cleaner lid has a wide lipped lid for the '76-up Pontiac 400/455 TA's for use with the A542C air cleaner filter. It is available in repop, but I wouldn't know about proper fitment. https://secure.amesperf.com/qilan/De...art_num=FN112S
Ames air filter (make sure it's correct though). https://secure.amesperf.com/qilan/De...part_num=FN150
The air ducting from the air cleaner snorkel is available in repop too.
https://secure.amesperf.com/qilan/De...part_num=FN114
https://secure.amesperf.com/qilan/De...art_num=FN113W
https://secure.amesperf.com/qilan/De...rt_num=FN114AB
https://secure.amesperf.com/qilan/De...art_num=FN252J
https://secure.amesperf.com/qilan/De...rt_num=FN114AC
Pre-heater elbow has casting 498539 and can be found on eBay with clamp easily enough. Ames does sell a similar clamp. https://secure.amesperf.com/qilan/De...art_num=FN406T
Pre-heater ducting hose can be purchased from Ames. https://secure.amesperf.com/qilan/De...rt_num=FN406RB
Don't see a pre-heater shroud listed.
There is a shaker hose fitting on Ames but not in correct plastic. https://secure.amesperf.com/qilan/De...art_num=FD157Q
Shaker drain hose on Ames. https://secure.amesperf.com/qilan/De...art_num=FD157R
Ames air breather. https://secure.amesperf.com/qilan/De...art_num=FN735C
Ames clip. https://secure.amesperf.com/qilan/De...art_num=FN735F
See picture below for vent pipe differences.
The Parts Place markets one on eBay http://cgi.ebay.com/ws/eBayISAPI.dll...m=351701920446
No picture from Ames. https://secure.amesperf.com/qilan/De...art_num=FN735R

Hope it's as clear as mud, LOL.
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Last edited by Held for Ransom; 02-28-2020 at 12:37 PM.