B20 rod/piston options.

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Miksa89
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Blev medlem: tis feb 11, 2020 6:06 pm

B20 rod/piston options.

Inlägg av Miksa89 »

Looking good choices for B20 rod and piston combos.

One way is grind crank to 85mm stroke and B2xx rods with vw 92mm 35mm compheight pistons,but is the 5mm stroke worth the 600e money?

Second change is to find long rods that can be paired with 92mm 35mm comp vw pistons with original stroke.

I have 8 bolt B20 and if you have some good choises for ligh rod/piston combo with not so high money, let me know your thoughts. 8)

And one reason for VW pistons is that they are cheap and light. :D
Miksa89
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Blev medlem: tis feb 11, 2020 6:06 pm

Re: B20 rod/piston options.

Inlägg av Miksa89 »

Should this be okay:
Original stroke.
154 long rod.
VW 92mm 35 kompheight pistons.
Block decked about 2mm to bring pistons over deck slightly.

Rods are narrower than original but is it okay to center rod at piston side?
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Moparboy440
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Blev medlem: tor jan 10, 2008 3:32 pm
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Re: B20 rod/piston options.

Inlägg av Moparboy440 »

If you are going with a 92mm bore i would use B21E pistons. Cheap and simple.
How can you make good ideas sound so bad? I'm an engineer!
Miksa89
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Re: B20 rod/piston options.

Inlägg av Miksa89 »

Moparboy440 skrev: tor apr 21, 2022 10:11 am If you are going with a 92mm bore i would use B21E pistons. Cheap and simple.

Yes 92mm bore.

Ordered 92mm VW pistons with 35mm compression height.
Cheaper than B21E pistons and much lighter.

Rods are 154mm long.

Hope my cam is coming next week. Agap 272 with 105 LSA
Allready have new 48 Fajs carbs.

Need to order KG type 3 extraktor and bore block and many other things to do but hoping getting it ready this year. 8)
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