Very nice. I don't have the confidence or tools to do something like that.
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Tinkerputzer's 3.1L m20 stroker and e30 build (Update on post 64)
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Your signature picture has been removed since it contained the Photobucket "upgrade your account" image.
www.gecoils.com
My euro 316 project Transaction Feedback
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Engine is still going strong. Have had a few issues but no show stoppers. This thread needs some updates i just need to take the time. Here are the dyno charts to hold you over.
Numbers in green are the MM sport cam. Numbers in yellow are the schrick 284/272.
This chart compares the schrick 284/272 to the mm sport cam
-blue dotted line is the mm sport cam
-aqua line is the schrick 4 degrees retarded
-orange line is the schrick 3 degrees retarded
-purple dashed line is the schrick 4 degrees advanced lol
It's amazing the difference a few of degrees of cam timing can make.
I'm really supprised the schrick didn't out do the mm cam in peak torque.
One thing to keep in mind is this is the same dyno shop as before with the same type of dyno but in a different bay and different dyno then before. Also the day the mm cam was dyno'd was about 30 degrees cooler than when the schrick was dyno'd.
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Great build! I love all the pictures and detail. I cant wait till I get to work on my next m20. I have only ever built an m20 head, but haven't had the chance to build a block yet. My next m20 will be a stroker, I already of the crank spacer lol
Why didnt you go for a brass pivot in the bell housing? Lasts a bit longer.sigpic
"The bitterness of poor quality remains long after the sweetness of low price is forgotten."
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when you say advanced or retarded was the cam dialed in originally correct as per schrick specs? or was it just advanced or retarded from however it was first installed what ever that may have been?
the MM sport probably more torque because the inlet lobe is alot bigger (more area).
do you have the MM sport cam still? plot it out. i'm interested to see the LSA. the MM rally is very wide and wonder if the sport is the same89 E30 325is Lachs Silber - currently M20B31, M20B33 in the works, stroked to the hilt...
new build thread http://www.r3vlimited.com/board/showthread.php?t=317505
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when you say advanced or retarded was the cam dialed in originally correct as per schrick specs? or was it just advanced or retarded from however it was first installed what ever that may have been?
the MM sport probably more torque because the inlet lobe is alot bigger (more area).
do you have the MM sport cam still? plot it out. i'm interested to see the LSA. the MM rally is very wide and wonder if the sport is the same
Nice thread and car! I envy your skills.
Hows your wife's car doing?Last edited by tinkerputzer; 02-23-2014, 05:10 PM.
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Originally posted by tinkerputzer View PostJust referencing the cam gear index marks while at the dyno.
I'm not sure i think the schrick had more duration on the intake lobe than the mm sport. I wish i would have played with the timing on the sport cam while at the dyno just to see how it would react to changes.
I don't have it anymore but i did plot it. I'll have to look at my notes. I think we've had this conversation on another forum...
Thanks! It's doing well. Leaks oil like a pig though.
the sport lobe is supposed to be bigger than shrick 284 (rally and sport apparently have same inlet lobe) but measurements you did dont match up with this chart so who knows. short of having both cams side by side and plotting them out its a lottery really. i didnt like my MM rally cam except that it was smooth idle and excellent fuel economy
looking at only part of the picture (duration only) on paper can be very misleadingLast edited by digger; 02-23-2014, 06:40 PM.89 E30 325is Lachs Silber - currently M20B31, M20B33 in the works, stroked to the hilt...
new build thread http://www.r3vlimited.com/board/showthread.php?t=317505
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