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Is it very hard to get high comp. 121 pistons right now?(nt)

Guest Anonymous

By Guest Anonymous,
in BMW 2002 and other '02

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Guest Anonymous

Guest Anonymous

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But those are the forged JE pistons right? Aren't those are available for any head?

What's the difference between a forged piston and the other type (name escapes me) that are available from Mahle?

And just to double check, any 02 head will fit on any 02 block, but only the pistons are specific to certian heads. I think that is I remember McCartney's book saying.

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Guest Anonymous

Guest Anonymous

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I have a set of used 9.5s for a 121 head complete with rods and a ballanced crank for sale for a good price....Marty....

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Guest Anonymous

Guest Anonymous

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This reasoning totally escapes me. All you end up with is a USED rebuilt engine-------waiting to be properly rebuilt again. You folks have that much time and money to waste? Could someone explain it to me(and the rest of us too)?

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Guest Anonymous

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If the parts are with in spec's you can reuse them with no problems the key is to inspect them well before using. When you rebuilt your engine did you replace the crank? it was used wasn't it? When BMW built the megatron F1 engine they used high mileage blocks for the base because the heat cycling makes for a very stable block to build on

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