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  1. 1970duster440

    Cracked exhaust manifold

    The biggest thing is to pre-heat it before you weld or braze it. If you don't it could crack somewhere else do to drawing of heat. If you can get to it drill a small hole at the end of the crack to stop the cracking before you fix it.
  2. 1970duster440

    Magnaflows

    I personally like the sound of the magnaflows over flowmasters on a big block. I haven't heard magnaflows on a small block. I got my magnaflows from Summit mpe-14326,polished stainless steel, $88 each when I bought them.They were a really good fit on the car as well. Truthfully the sound of a...
  3. 1970duster440

    69 cuda 440 vs Hedman Shorty's

    Dusterdon is right...and it used to be on Schumachers web site but now it says Hedman install omitted. I did look up that part number on Summit and they are b-body headers. I bought a set of Schumacher headers for my Duster. It took about 45 minutes to put them on. Its still in putting it back...
  4. 1970duster440

    69 cuda 440 vs Hedman Shorty's

    I read an article in one of the magazines and don't remember which one. There was a problem with clearence for the idler arm and the collector dropped right in likne with the torsion bars. I'll try and find the artcle and either send an online link or confirm what I read. Also without checking...
  5. 1970duster440

    Shorty Hedman Headers

    Here's the same thing cheaper. http://store.summitracing.com/partdetail.asp?autofilter=1&part=SUM%2DG9064%2D1&N=700+4294923429+4294839039+4294918680+400304+115&autoview=sku
  6. 1970duster440

    Shorty Hedman Headers

    You guys are talking about 2 different sets of headers. The 78500 headers are for a small block. The headers on BigBlockDart are 78070 which are for a big block in a b-body that they actually tried to use in an a-body. According to the application page in Summit they will fit a Dart from 67 to...
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