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DanG. Could you tell me what the difference in weight between the SP pistons and your stock 3L pistons was? Did you have to rebalance anything?
I had considered using these myself but held off for these reasons.


Former owner of '99 CSVT - Silver #222/2760 356/334 wHP/TQ at 10psi on pump gas! See My Mods '05 Volvo S40 Turbo 5 AWD with 6spd, Passion Red '06 Mazda5 Touring, 5spd,MTX, Black
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War:

I have no info on the weight difference between the two, but by mere diameter I'd say the overbores are slightly heavier. Federal Mogul makes good stuff, so I'm confident that they are as substantial as they need to be without any unnecessary weight.

The crank was polished, and the entire assembly was balanced - DMD, crank, Fidanza, and Centerforce. I'm confident in the shop's knowledge and abilities. This thing is going to be sooooo smooth...

Also- Day 3 project pics are up. PLEASE NOTE the oiling differences between the 2.5L and 3L head gaskets!

Linky linky



Dan G. and his Cougar Forged internal (Diamond & Pauter) full 3L, "Monster" Kinger F/I cut & P&P, T3/4 60 trim .82A/R ADC turbo, SPEC Stage 3, Torsen, Greddy Profec-B SPEC II, Apex'i Timer, Lots of Gauges! Used to have: 3.0L SVT hybrid
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The oild holes are pretty interesting. I swear that the hole was a tan larger on my gaskets. I think I have some 2.5 and 3l gaskets laying around. I'd gunna take a look.
They always look so pretty when there clean


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Well, Dan, I looked up some info on the oiling holes you've been wondering about. The 1995-1998 2.54L head gasket is the only one to have the 2 oil holes. Nominal diameter is 2.25mm.

The 1999+ 2.49L head gaskets as well as all three different 3.0L head gaskets have one hole (including the new 3.0L head gasket for ST220 & Mazda 6). Nominal diameter is 3.0mm.

If you figure it out, the difference in hole area isn't much. I think you would have been fine either way.

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Dan -
My curiosity is now peaked again. Any possibility of reading the part number on the two hole gasket? It should be near the lower LH corner. Thanks much.

Jeff

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2 hole gasket part number on the gasket should be
F73E-6051-BA RH
F73E-6083-BA LH

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