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  #1  
Old 10-11-2008, 09:14 PM
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coupe32 coupe32 is offline
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Default trw L2316 pistons for 340

I am thinking of building another 340. I have a set of Eldebrock 6077 RPM heads along with a set of L2316 TRW pistons. My question is can I use these pistons with those heads if I have the tops shaved or cut for piston to head clearance? I was told that these pistons could be used if they were cut around .035. If this were true what would be the compression ratio? I haven't talked with a machine shop about this yet but thought someone might know if this is possible or feasable. I know I could just buy a different set of pistons to use for proper piston to head clearance but I already have these TRW's and could save some money.
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Old 10-12-2008, 12:08 PM
aarracer aarracer is offline
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coupe32

You should try a mockup and see if the pistons protrude from the block deck. If you have an uncut block you are probably/may going to find these pistons do not protrude above the deck. Possible compression ratio with say a 69 cc chamber volume will/may be in the high 9's.
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Old 10-13-2008, 01:37 PM
70AARCuda 70AARCuda is offline
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do a mockup ...you can always use thicker head gaskets to make up for a positive deck height.
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Old 10-13-2008, 06:00 PM
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coupe32 coupe32 is offline
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Thanks guys, I didn't even think of thicker head gaskets. duh! I'll do a mockup and see what I come up with. coupe
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Old 10-16-2008, 07:26 PM
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coupe32 coupe32 is offline
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I thought I had a full set of new TRW L2316 .030 pistons. I only have 7 pistons. I was told these are the older TRW forged pistons and they have the number 266-99 stamped inside under the top. Anyone have any idea where I can find another piston. I was told that the newer L2316 pistons are not the same. I don't know what the difference would be.
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Old 10-16-2008, 11:29 PM
70AARCuda 70AARCuda is offline
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trw does not make them anymore...made by federal mogul now...

http://www.flatlanderracing.com/trwchry.html
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