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Click on image for the lowdown. 
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| | | Forums66 Topics128,068 Posts1,055,880 Members48,428 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
| | | | Joined: Feb 2003 Posts: 218 Shop Shark | | Shop Shark Joined: Feb 2003 Posts: 218 | I'm installing a H/W 2bbl on my 250 Chevy. Is the insulator necessary when using the stock manifold, 1 to 2bbl adapter, etc?
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