I know that m50 2.5 rods can be used in an m20 but do the m20 pistons fit straight onto them?
Can an m50 crankshaft be used too? Would there be any advantage?
M50 rods
Moderator: martauto
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DanThe
- E30 Zone Team Member

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Pistons go straight on yes, only benefit is weigh reduction, no advantage to using M50 crank
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HairyScreech
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And if weight reduction is the game then M52B28 rods is what you want, same size and strength and about 100g lighter each.
2.8 development thread http://www.e30zone.net/modules.php?name ... c&t=170822
m3.3.1 m20 thread - now running, chip needed - any volunteers?
http://www.e30zone.net/modules.php?name ... =viewtopic&
m3.3.1 m20 thread - now running, chip needed - any volunteers?
http://www.e30zone.net/modules.php?name ... =viewtopic&
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driftwood
- E30 Zone Regular

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Yes, I'm looking for lighter rods for a 2.5 build. Haven't found any yet.
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maggspower
- Turbo Farmer Tractor Driver
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M52B28, very nice rods for an M20B25 build.
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driftwood
- E30 Zone Regular

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Are m52b28tu rods the same? They are the same length.
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HairyScreech
- Engaged to the E30 Zone

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Identical to b25 ones but 100g lighter. (well obviously a different design but you know what i mean).
2.8 development thread http://www.e30zone.net/modules.php?name ... c&t=170822
m3.3.1 m20 thread - now running, chip needed - any volunteers?
http://www.e30zone.net/modules.php?name ... =viewtopic&
m3.3.1 m20 thread - now running, chip needed - any volunteers?
http://www.e30zone.net/modules.php?name ... =viewtopic&
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driftwood
- E30 Zone Regular

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- Joined: Wed Mar 21, 2012 11:00 pm
Well I found a set of rods. They do look rather thin! They should be m52 2.8 items. Anyone got a link to some pictures of m20, m50, m52 rods? I just want to make sure I have the right ones.
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maggspower
- Turbo Farmer Tractor Driver
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- Joined: Wed Oct 12, 2005 11:00 pm
- Location: Nowhere near South Wales, ok butt
