Dynomax headers
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Joined: Feb 2004
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From: Jackassville
Dynomax headers
just found a set of dyonmax headers out of jegs for a hundered bucks best deal ive found so far anone tried em? they say there good for low and midrange torque and i cant see anything wrong with them just wondered if anyone had any expiernece with dynomax.
Elder User
Joined: Dec 2003
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From: Hoquiam, WA
They should fit fine. You will have to jack the motor up up get them in.
My gaskets got brittle and I blew out pieces.
Some people have had luck with thicker gaskets (who's gaskets I'm not sure), I ended up going with copper gaskets.
My gaskets got brittle and I blew out pieces.
Some people have had luck with thicker gaskets (who's gaskets I'm not sure), I ended up going with copper gaskets.
Lead Driver
Joined: Apr 2001
Posts: 6,175
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From: Texas
They may not fit if you have the Bendix power steering gear. Personal experience.
Copper gaskets are popular and easy to come by. My new FPA headers came with a thick composite type gasket that works great, but I don't know where to get something like that other than call FPA.
Copper gaskets are popular and easy to come by. My new FPA headers came with a thick composite type gasket that works great, but I don't know where to get something like that other than call FPA.
Senior User
Joined: Jul 2003
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From: KS
I used the Dynomax Gaskets and a copper gasket at the same time. The gaskets that came with mine were asbestos like tear apart ones, a separate gasket for each cylinder. No leaks so far. I wish I would have gotten the ceramic coated Dynomax’s I just didn’t know they would fit my truck so well.
Posting Guru
Joined: Nov 2003
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From: Iowa
ive got dynomax headers for my 390 also, im useing the header gaskets that came in my Mr. Gasket rebuild kit, im also useing header studs, my 390 goes in the week sometime so i dont know how its all going to work yet.
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Elder User
Joined: Feb 2002
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From: Middleton, WI
Re: Dynomax headers
Originally posted by FERacing66
just found a set of dyonmax headers out of jegs for a hundered bucks best deal ive found so far anone tried em? they say there good for low and midrange torque and i cant see anything wrong with them just wondered if anyone had any expiernece with dynomax.
just found a set of dyonmax headers out of jegs for a hundered bucks best deal ive found so far anone tried em? they say there good for low and midrange torque and i cant see anything wrong with them just wondered if anyone had any expiernece with dynomax.
Lead Driver
Joined: Apr 2001
Posts: 6,175
Likes: 21
From: Texas
Originally Posted by FERacing66
yeah i saw your post. whats your point?
But others have had success with them.
Are you running a bendix steering gear?
Elder User
Joined: Dec 2003
Posts: 534
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From: Hoquiam, WA
They should fit. Manual Steering , right?
Had them on my old 66, manual steering and np435 (motor now in the 72).
As long as you don't have a Hi-Perf 352, I wouldn't be too awfully worried about port match.
Had them on my old 66, manual steering and np435 (motor now in the 72).
As long as you don't have a Hi-Perf 352, I wouldn't be too awfully worried about port match.