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Old 06-16-2010, 10:07 AM
Exit32 Exit32 is offline
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Join Date: Mar 2009
Location: near Boston, Mass.
Posts: 13
Question Longer head bolts needed for A/C bracket on '66 389 engine?

I yanked the ol' 389 out of my 1966 GTO convertible and intend to restore it to its original configuration. I've been gathering parts for years and plan to install:

- 093 cylinder heads
- Correct camshaft (GM 9779068) & lifters
- Correct timing chain cover (GM 9783130)
- Tri-power intake & carbs (thanks, pontiactripower.com)
- A/C system brackets and compressor (no A/C stuff on engine now)

I have questions about cylinder head bolts:

1. Can I re-use the existing head bolts (092 heads on engine now) or do I need to buy new bolts?

2. The A/C bracket (GM 9788304) attaches to engine using two cylinder head bolts. Do I need two longer bolts to accommodate the bracket?

3. If new bolts or longer bolts are needed, what should I get and where's the best place to buy them?

I look forward to your guidance and appreciate all advice!

 


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