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Thread: Piston recommendation
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08-22-2006 #1
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Piston recommendation
OK, I'm tired of trying to make my present 355 short block work with this cam. That is, no exhaust valve clearance to pistons. So i've decided to just build a 383 with what I want in it. Right now the problem is the valve reliefs in these Speed Pro forged pistons (flat 4 valve relief) aren't deep enough.
I've got another block and I'm going to go with an Eagle rotating assembly (probably not the forged).
I was thinking maybe the SRP pistons. Any suggestions? I want good pistons but I'm trying to keep costs down.
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08-22-2006 #2
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- Aug 2004
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- Montgomery, IL
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I ran over a set of speedpros with a piston mic, then weighed each of them to .1 gram and I will never buy a set again. I have SRP's in my 455 and find them a great balance between price, accuracy and weight.
71 Formula, 455 SD/KRE D-Ports, Crower solid cam, TKO 600, 3:73 Eaton posi. 17" ARE 200s, , 1LE brakes, Koni, Rancho adjustable bars, Hotchkis springs
08-23-2006 #3
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- Nov 2005
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Try weisco pistons they are good forged pistons and not alot of money. I have them in my 388 stroker.
08-23-2006 #4
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I recommend SRP
08-27-2006 #5
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The Eagle Specialty Products rotating assemblies are decent and they are less expensive then a Compstar or Lunati package. For the extra couple of bucks I would go with the forged crankshaft over the cast, and the SRP pistons over the Speed Pros.
08-27-2006 #6
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- Aug 2004
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- north central Iowa
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srp's are a good choice
72 Nova SS, on the back burner for now.
current cruiser: "The green machine"
'70 Impala 4drht, 26K original miles, 2" drop springs and large swaybars, drives pretty good for a land yahct
in the middle of an ls1 swap, but thinking about changing directions to a duramax diesel swap.
09-05-2006 #7
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- Aug 2006
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I'd go with a Diamond, perhaps having them plunge cut the valve pockets on a shelf piston might be a good idea. That way you have a little extra real estate.
What is the piston/deck clearance on the build, what size is the camshaft? How much intake clearance do you get?
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