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Old 12-29-2011, 06:12 AM
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Help to ID TRW PISTONS Part#

Hey guys,I have set of trw pistons but no idea what the fit.Here are the numbers I found.On the top 7051 P .030 .On the inside it says,TRW 202 98

Thanxs,for any help.stefanP

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Old 12-29-2011, 06:44 AM
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350

350 CHEVY, .030 over, dome piston.
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Old 12-29-2011, 06:49 AM
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OLNOLAN,Thanxs man You have just made my day.Now to get my brother to work with me in the garage
stefanP
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Old 12-29-2011, 06:51 AM
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cool

No problem Man.
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Old 12-29-2011, 06:55 AM
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forgot

Crosses to a L2304F 30 in todays Sealed Power #'s(Speed Pro) these were the older ones that TRW made for them before it all became one company.
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Old 12-29-2011, 11:51 AM
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Compression guess??

Here's a picture of the piston,
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Old 12-30-2011, 08:13 AM
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Cr

Book info;
chamber cc = compression ratio
58= 11.40
64= 10.63
68= 10.15
72= 9.71
76= 9.31
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Old 06-26-2012, 05:09 PM
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i was wondering where you found the info ? or do you have an older TRW catalog?

i have a dodge '74 360 , the pistons have TRW inside on one side, 463-99 on the other, trying to figure compression ratio / and how large a cam it can handle ,to finish my cam selection,lol

any help is greatly appreciated, i will post this in a tread also .


thanks
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