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Author Topic: Need install pics of a Pontiac A6 Compressor  (Read 603 times)
428Bird
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« on: August 22, 2013, 09:40:57 PM »

I recently scored a complete A/C setup out of an 79 or 80 Trans AM ( I don't remember ) It's very complete down to the last bolt and has the A6 compressor. I've figured out how the mounting is accomplished on the front side, I just can't figure out how the rear bracket installs. Could someone post up some close up pics of their installation so I can put it all together? A rear shot ( as best as you can get, it's cramped back there ) would be really ideal, OR a page from the assembly/factory manual would be good too. I have the manual for the 73 and the brackets are different.

Thanks!

Britt
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1975 Trans Am turned into a mix-year 73'ish Formula. 4" Stroked 400, Edelbrock Heads, Comp Cams XR-288-HR, Harland Sharpe 1.5's, Peformer intake with Holly 3310-1. Hooker Super comps through 3" exhaust. Super T-10 with 3.73's out back.
firebirdparts
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firebirdparts
« Reply #1 on: August 23, 2013, 06:37:37 AM »

What engine would you be bolting this onto?  A 428, as stated in your username?
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Joe Bays
428Bird
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« Reply #2 on: August 23, 2013, 10:09:50 AM »

A 4" stroked 400 (basically a 428) with Edelbrock heads with performer intake. I also have tall valve covers to clear the rockers, though I'm not sure if they're absolutely required. I may try and get stock height covers with thicker gaskets.

To be honest, I'm not sure that the bolt hole bosses exist on the intake to mount the rear bracket, hence the need for pictures.

Britt
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1975 Trans Am turned into a mix-year 73'ish Formula. 4" Stroked 400, Edelbrock Heads, Comp Cams XR-288-HR, Harland Sharpe 1.5's, Peformer intake with Holly 3310-1. Hooker Super comps through 3" exhaust. Super T-10 with 3.73's out back.
ericwy
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« Reply #3 on: August 23, 2013, 12:49:54 PM »

A 4" stroked 400 (basically a 428) with Edelbrock heads with performer intake. I also have tall valve covers to clear the rockers, though I'm not sure if they're absolutely required. I may try and get stock height covers with thicker gaskets.

To be honest, I'm not sure that the bolt hole bosses exist on the intake to mount the rear bracket, hence the need for pictures.

Britt

I removed the rear bracket from my 400's A6 back in 1992. You really don't need it at all. I daily drive my TA 12 months a year
in Texas and use the AC all the time. Front bracket and lower bracket is more than strong enough to hold it rigid. 

While I have your attention, how do you like the E heads and performer intake? What kind of power is it making? What cam?
« Last Edit: August 23, 2013, 12:51:31 PM by ericwy » Logged

1977 400 TA, 9.5:1CR 351hp 411LbFt,#13 Heads, 1.52 Roller rockers, 1968 Pont intake, Holley 4165 650 DP
Howards .447/.467 IN:288 EX:298 214/224@.050, MSD6A + timing control + H20-Meth
1-5/8 headers + Magnaflow 200CPI Cats, + 2.5 Pypes X, Dynomax STs, 700R4 2200rpm, 3.42 Eaton posi 10bolt, PS, PB, PL, PW, AC, Cruise
13.84@100.14mph 2.18 60ft - 255 60 R15 street radials, mpg : 21.5 hwy 15.2 city
firebirdparts
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firebirdparts
« Reply #4 on: August 24, 2013, 04:33:24 PM »

I agree, if the bracket from the rear of the compressor up to the intake doesn't hit any holes, just leave it off.  It'll be fine.
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I want to be like Paul Kenny when I grow up
Joe Bays
428Bird
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« Reply #5 on: August 24, 2013, 05:57:37 PM »

I agree, if the bracket from the rear of the compressor up to the intake doesn't hit any holes, just leave it off.  It'll be fine.

Awesome! I'll leave it off. Now I need to fix my valve cover issue. The compressor will mount, but only in the fully-tight position. I don't know how I'll ever get a belt on it.

Thanks!

Britt
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1975 Trans Am turned into a mix-year 73'ish Formula. 4" Stroked 400, Edelbrock Heads, Comp Cams XR-288-HR, Harland Sharpe 1.5's, Peformer intake with Holly 3310-1. Hooker Super comps through 3" exhaust. Super T-10 with 3.73's out back.
428Bird
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Posts: 404


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« Reply #6 on: August 24, 2013, 05:59:36 PM »

A 4" stroked 400 (basically a 428) with Edelbrock heads with performer intake. I also have tall valve covers to clear the rockers, though I'm not sure if they're absolutely required. I may try and get stock height covers with thicker gaskets.

To be honest, I'm not sure that the bolt hole bosses exist on the intake to mount the rear bracket, hence the need for pictures.

Britt

I removed the rear bracket from my 400's A6 back in 1992. You really don't need it at all. I daily drive my TA 12 months a year
in Texas and use the AC all the time. Front bracket and lower bracket is more than strong enough to hold it rigid. 

While I have your attention, how do you like the E heads and performer intake? What kind of power is it making? What cam?

I like it fine actually. The heads allow the engine to run cooler, and I'm only burning 89 octane instead of the expensive stuff. The cam is an XR-288-HR hydraulic roller cam by Comp Cams. I have no idea on the power level but I was told by several people that I should expect 500+ at the flywheel. All I know is that if I even hint at the gas pedal I blow the tires away.

Britt
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1975 Trans Am turned into a mix-year 73'ish Formula. 4" Stroked 400, Edelbrock Heads, Comp Cams XR-288-HR, Harland Sharpe 1.5's, Peformer intake with Holly 3310-1. Hooker Super comps through 3" exhaust. Super T-10 with 3.73's out back.
ericwy
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« Reply #7 on: August 24, 2013, 06:50:11 PM »

A 4" stroked 400 (basically a 428) with Edelbrock heads with performer intake. I also have tall valve covers to clear the rockers, though I'm not sure if they're absolutely required. I may try and get stock height covers with thicker gaskets.

To be honest, I'm not sure that the bolt hole bosses exist on the intake to mount the rear bracket, hence the need for pictures.

Britt

I removed the rear bracket from my 400's A6 back in 1992. You really don't need it at all. I daily drive my TA 12 months a year
in Texas and use the AC all the time. Front bracket and lower bracket is more than strong enough to hold it rigid. 

While I have your attention, how do you like the E heads and performer intake? What kind of power is it making? What cam?

I like it fine actually. The heads allow the engine to run cooler, and I'm only burning 89 octane instead of the expensive stuff. The cam is an XR-288-HR hydraulic roller cam by Comp Cams. I have no idea on the power level but I was told by several people that I should expect 500+ at the flywheel. All I know is that if I even hint at the gas pedal I blow the tires away.

Britt
Thanks Britt, I am starting to plan my next build and think a set of e-heads will be on my parts list. Thanks for the
info.. Eric
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1977 400 TA, 9.5:1CR 351hp 411LbFt,#13 Heads, 1.52 Roller rockers, 1968 Pont intake, Holley 4165 650 DP
Howards .447/.467 IN:288 EX:298 214/224@.050, MSD6A + timing control + H20-Meth
1-5/8 headers + Magnaflow 200CPI Cats, + 2.5 Pypes X, Dynomax STs, 700R4 2200rpm, 3.42 Eaton posi 10bolt, PS, PB, PL, PW, AC, Cruise
13.84@100.14mph 2.18 60ft - 255 60 R15 street radials, mpg : 21.5 hwy 15.2 city
spencersta
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« Reply #8 on: September 14, 2013, 11:00:38 AM »

I have a 79 with a 403 Olds. I have removed the air pump & am just now reinstalling a new compressor. If this would be help, I can add pics'
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