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Author Topic: Proper size belts for 1978 TA  (Read 1302 times)

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Offline Murphy

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Proper size belts for 1978 TA
« on: August 01, 2021, 10:12:17 AM »
Could someone tell me the proper size belts for AC, Power Steering, and alternator for:
1978 TA 400ci
My AC and Alt are at the end for tightening and AC squeals when steeping on it.
Would like to put the correct belts on. Picture is the ac belt I have on.
thank you for any info on this. 
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Offline Wallington

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Re: Proper size belts for 1978 TA
« Reply #1 on: August 01, 2021, 09:02:05 PM »
3. AC Belt GM #9433770 (58.5") - This also equates to 1485mm of your belt shown, it may be stretched and worn out.

6. Alternator Belt GM #15599208 (1230mm)

8. Power-steering Belt GM #9433753 (50")

1978 400 Firebird belts and pulleys by Aus78Formula, on Flickr
« Last Edit: August 01, 2021, 09:03:41 PM by Aus78Formula »
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Offline Murphy

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Re: Proper size belts for 1978 TA
« Reply #2 on: August 04, 2021, 09:25:09 AM »
Excellent thank you for your post!
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Offline Wallington

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Re: Proper size belts for 1978 TA
« Reply #3 on: August 04, 2021, 09:27:05 AM »
No worries, let us know what you find out with that belt that already matches. If it is worn-out or stretched or actually needed a step shorter to work.
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