Which gains you 1 lb/ft of torque? I've read about this mod and find it funny, no offense. There are stock single row engines that have expensive 'upgrades' to two row chains and gears for strength and longevity. A couple examples I know of would be the w126 Mercedes 3.8l V8 and the Toyota 22r/e.
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M42 timing components: 266k and counting
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i've done a lot of things to reduce rotational mass as well as weight in and outside of the engine and car, that's my focus for the build. i have no problem changing the chain every 50k as opposed to 100k, or whatever the recommended interval is.
metric mechanic has been doing this on high HP engines for many years with no failures (according to their website). and people were doing this on M10s decades ago on engines that saw way more HP than i'll ever have, so i'm not worried about a failure.
oh yea that and a turbo becauseracecar.
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Originally posted by Ryann View Post^Awesome. How many DESTROYED m42 timing sets have we seen w/200k+? I'm thinking those cars have racked up some serious miles with a faulty original tensioner.
lolMtech1 v8 build thread - https://www.r3vlimited.com/board/sho...d.php?t=413205
OEM v8 manual chip or dme - https://www.r3vlimited.com/board/sho....php?p=4938827
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I think I might win with the most pointy sprockets. These are my old sprockets before I replaced mine.
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1989 Alpine 325is 2dr m50 swapped
Build Thread:
Current ongoing build. Check it out!
1991 318is 4dr rallycross
Rallycross Build Thread.
1991 Alpine 318is coupe - sold
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This thread has inspired me to replace my tensioner this month along with the belts. Engine has over 200k and a limited maintenance history.Last edited by Fourbanger; 11-08-2011, 07:04 PM.
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