Quote:
Originally Posted by BGCarrera32
.....I am building a 3.4 Motronic (from a 3.2) with Mahle wedge dome 98mm (Max Moritz type/single plug) P's and C's. The pistons including rings are around 40g heavier than the factory 95mm pistons w/rings. So I am interested in cutting back the total rotating mass of the engine to help it spool up to higher rpm easier, as these pistons with add around 1/2 lb. to the total reciprocating mass of the engine....
Thanks,
BG
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Bee,
Are you sure of your piston weights? The standard 3.2 Mahle pistons are listed at around 620 grams each and the Mahle Motorsport 98mm 10.3 to 1 pistons I have are 470grams each. I acknowledge you have MM pistons but surely the weigh difference wouldn't be much?