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Old 10-05-2017, 06:04 PM   #26
eabras
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whoops
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Old 10-05-2017, 07:15 PM   #27
Wilford Brimley
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OHHHH YEAAAAH...nice vented block mod
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Old 10-20-2017, 10:04 AM   #28
eabras
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More pics





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Old 10-20-2017, 02:16 PM   #29
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damn what caused that? Not enough fuel?
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no one saw me with my little umbrella and sandpaper though.
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Old 10-20-2017, 06:25 PM   #30
eabras
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I suppose it started when the vr-sensor went bananas. Got triggererrors, detonation and blew the headgasket. Changed hg and sensor, made decent power on the dyno and used it as a daily driver for a month before it let go. AFR's are around 10.5-11, plenty of fuel


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Old 10-20-2017, 09:36 PM   #31
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That rod went slightly banana, too!
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Old 10-21-2017, 10:15 AM   #32
eabras
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Yep, m-rods don't like detonation, coolant in the cylinders and high boost all at the same time.

The plan is to just get another bone stock b21et shortblock (much the same as the american b21ft - 7,5:1 compression), change distributor to one with hall-sensor pickup, use a b21 flat flywheel with a sachs race engineering pp from e30 m3, sintered disk and a four speed getrag 262. I also have a new camshaft waiting, and I'm also contemplating doing som slight headwork.

Nothing fancy, but hoping for a little more torque and slightly larger/wider powerband compared to the dynograph on the previous page.
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Old 11-16-2017, 07:55 AM   #33
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Plans changed, couldn't find a good b21et shortblock around here. So the new plan is to use a b230f bottom end, with 149mm h-beam rods and stock b230f pistons. Going from stock length (152mm) to 149mm lowers the compression ratio to 7.62:1
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Old 11-25-2017, 12:41 PM   #34
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i think you can sleeve that lol nice work
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