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Mod | | | Forums66 Topics128,050 Posts1,055,643 Members48,426 | | 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!
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#59429 04/20/2006 2:07 AM | Joined: Dec 2004 Posts: 1,897 Shop Shark | | Shop Shark Joined: Dec 2004 Posts: 1,897 | Does anybody make aftemarket hold downs for the intake and exhaust of a chevy 235 or gmc 228-302? I do plan on using stainless studs, but my old pressed steel clamps and washers are in pretty sad shape | | |
#59430 04/20/2006 2:10 AM | Joined: May 2004 Posts: 67 'Bolter | | 'Bolter Joined: May 2004 Posts: 67 | I think I can come up with a set of 235/261 clamps. Email me!! | | |
#59431 04/20/2006 4:36 AM | Joined: May 2004 Posts: 920 'Bolter | | 'Bolter Joined: May 2004 Posts: 920 | Those bolts need to flex due to thermal expansion or so I've been told. I was steered away from stainless to grade 5 steel for that reason. | | |
#59432 04/20/2006 12:20 PM | Joined: Nov 2001 Posts: 58 Member | | Member Joined: Nov 2001 Posts: 58 | Langdon's Stovebolt used to have some really fine looking machined aluminum intake/exhaust hold downs. They're apparently made for stock intake/exhaust manifolds but with minor rework will work with aftermarket intakes and headers.
check with Tom Langdon to see if he still carriers them
Jim.
Bubba
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#59434 04/21/2006 2:23 AM | Joined: Dec 2004 Posts: 1,897 Shop Shark | | Shop Shark Joined: Dec 2004 Posts: 1,897 | Good to know about the stainless? Thought i'd seen em used in headers for chebby before | | |
#59435 04/21/2006 5:23 PM | Joined: May 2004 Posts: 920 'Bolter | | 'Bolter Joined: May 2004 Posts: 920 | I'm certain there are those who have used stainless as I almost did. Probably just one of many reasons we hear of header problems. Despite our our good intentions, factory engineering is usually the way to go. | | |
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