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Topic Review (Newest First)
06-28-2005 12:29 PM
Bumpstick Well for some reason I some of this does not make alot of sense...?

I am running part number L2238NF so does that mean non-floating pin...? If so then why are the full floating pin type pistons with that number on them...? The old part numbers just had an F in them for forged if memory serves...? Also I dont see any of the hyper-type pistons with an F on the end...? Also what would "AF" mean...?

Now not really doubting you (coldknock) but what are these other codes for...?
06-28-2005 07:17 AM
RCastle Damn,Larry,that just makes too much sense.(Kicking my self) Why didn't anyone else get that??? Damn parts guys!!!
06-28-2005 12:57 AM
coldknock P or F, pressed or floating. It denotes the type of wrist pin retention used.

Larry
06-27-2005 11:09 PM
LilSmoke F means forged,without means cast.
06-27-2005 06:31 AM
PimpNova
Ok

Thanks for your replys.

So what kind of pistons is the ones without the "F" TRW-2304 0.30" ?.
06-26-2005 09:48 PM
DoubleVision Sealed Power / TRW L2304F030
350 Small Block Chevy 10.63:1 CR with 64cc chambers, 2.4cc .100 Dome
Press fit pin. 1/16 3/16 Ring Lands. 1.560 Compression Height.
I came up with the same thing greg did except for the rings, my info came out of Summit Racing.
06-26-2005 06:23 PM
RCastle I looked at several TRW pistons,while I did not find anything written in stone,all part #'s with the "F" in the part # were flat top pistons.If they were dished or domed they did not have the "F" in the part # but would have something else.
06-26-2005 06:13 PM
NorthStar That sounds more like a Sealed Power number to me.

I looked it up.
Its all part of the part number L-2304F



11-1 compression ratio (with a 64cc head I assume)
.100 dome
stock pin bore .927
1.560 pin height
5/64",3/16" ring set
06-26-2005 05:13 PM
PimpNova
TRW Pistons Partnr.

Hello.

I've tryed to search the web to see what kind of pistons i have but i can't seem to find them in any lists.

The top of the piston is marked "TRW L2304 0,30" and when i looked at several sites i only get partnr like "TRW L2304F 0,30" ?.

Does anyone know what the F stands for ?, Iknow the "L" stands for Forged.

They do not look like "flat tops".

Does anyone know or could some please submit a link on the subject.

Please forgive my bad english.

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