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Off-topic discussion / Jay Leno's Garage website
« on: January 08, 2009, 09:09:31 AM »
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Swaps, Turbos, Buildups / evo pistons?
« on: January 08, 2009, 09:07:12 AM »
i am interested on this. i mean, is there anything out there that is a direct swap compatible? ex: direct piston swap with pistons from another car reguardless of make, that would help with boost.
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Engine + Driveline / water pump bolt thread stripped! WTF
« on: October 22, 2008, 02:29:55 PM »
has anyone came across a way to make these threads stronger? One hole for the thermostat housing is stripped, as well as the top right for my waterpump. sure, a hexcoil will do, but is there another approach to strengthen the threads itself for stronger bolts and threads?
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Engine + Driveline / Frankenstein m42 built for boost?
« on: October 20, 2008, 10:44:42 PM »
Ok. so i read the other thread for the 2.0l m42, and i got to thinking, how does one know the displacement a block+bore+stroke will come out to be? i mean, a M44 crank (83.5mm) + S52 pistons (86.4mm) = 1947cc. how much power over stock is that? seeing as its a 151cc gain, and you cant convert CC to HP, im puzzled.
M44 crank (83,5mm) + S52 pistons (86.4mm) = 1947cc
M42 crank (81.0mm) + M42 pistons (84.0mm) = 1796cc - right?
how would i find out what compression ratio i will end up with, and how much HP i will get?
My intentions are: m44 block + m44 crank + whichever conrods are better m42 or m44 + s52 pistons + m44 or m42 head (again, whichever is better) + MLS gasket + m42 intake manifold
**IF ITS POSSIBLE** as i am new to this m42 biznus.
MM claims a worked head for 6% better flow + 6mm valvetrain + Intake cam 272 degrees + exhaust cam 258 degrees + 87mm forged alusil pistons + 87mm moly rings + 138mm ultralite "i" beam rod 475 grams + main bearings 360 degree thrust and oiling groove + m47 88mm forged steel crank gets you 205 HP to the crank with a 11.5:1 compression, which is a no-go for boost correct?
M44 crank (83,5mm) + S52 pistons (86.4mm) = 1947cc
M42 crank (81.0mm) + M42 pistons (84.0mm) = 1796cc - right?
how would i find out what compression ratio i will end up with, and how much HP i will get?
My intentions are: m44 block + m44 crank + whichever conrods are better m42 or m44 + s52 pistons + m44 or m42 head (again, whichever is better) + MLS gasket + m42 intake manifold
**IF ITS POSSIBLE** as i am new to this m42 biznus.
MM claims a worked head for 6% better flow + 6mm valvetrain + Intake cam 272 degrees + exhaust cam 258 degrees + 87mm forged alusil pistons + 87mm moly rings + 138mm ultralite "i" beam rod 475 grams + main bearings 360 degree thrust and oiling groove + m47 88mm forged steel crank gets you 205 HP to the crank with a 11.5:1 compression, which is a no-go for boost correct?
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Swaps, Turbos, Buildups / 2.0l M42
« on: October 20, 2008, 09:05:25 PM »Quote from: KidneyBoy;58987
Still, what headgasket is used?
im new to this, but i am assuming if your stroke is designed not to slap the valves, you would go with a MLS and a 86.4mm gasket if your going with the s52, correct?
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