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#1
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308 Truck Head
Does anyone know the part# for the 308 truck head? I'm told to order it from chry. that the casting # is changed to 576 but is the same head. I use Magnum manifolds on my hobby stock and the early "J" heads with the dogleg exhaust ports don't line up. I can't find the 308 in the salvage yard, thought I would price new. Rules requirer production heads, no porting, with iron intake and 9 to 1 comp. 370 cubes. rottenchester 2-bbl, iron 2-bbl intake, iron exhaust, no porting, no min. weight [I'm at 3100 race ready] single disc clutch, 3-speed in high on big 3/8 dirt track, 6.20 to 6.33 6200-6600 rpm, amy flat tappet, been using 245 @ .050 / .550 on 108 lobe sep. and 1.5 rocker any ideas? Comments.
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#2
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There are two part numbers, P4529269(bare), and P5249459(assembled w/ 1.88/1.60 valves). Another avenue you may want to try is to go to your local Auto Zone or Advance or the like and ask for reman heads for a '91 360 out of whatever. They do show it as a different P/N from earlier engines. Here locally, I've priced them from $159 to $180 each.
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#3
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Get a set of 574 casting 340 replacement heads,built off the 269 casting.They are already machined for 2.02 intake and 1.60 exhaust.waynebo
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