I believe I have a blown head gasket on my m50 car. I'm going to be pulling off the head maybe this weekend (soon as I want it done by the picnic). While the head is off and being checked I was goin to throw in my s50 cams, Dr. Vanos stage 1, 21.5lbs injectors, 3.5" HFM and TRM tuned chip. I'm wondering what else I can do to the head while it's off with those mods. Is port and polish worth it or port matching? Anything else?
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if you have enough money to port it why not??? But I think that gains should be small... If you are not going to turbo it someday I would suggest to put that money in some other things... -
I don't plan on turbo but who knows. Guy at the machine shop I talked to said it'd take 2, maybe 3 hrs of work at $95 an hour to port match.sigpicComment
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Thanks for the order!
I would not port match the head. Not worth it.
The most critical thing is your cam timing. It has to be perfect.Comment
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Porting isn't worth it unless you're racing and have restrictions as to what you can do.1985 325e 2.8 Turbo VEMSComment
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When I did some searching on it, I found mixed reviews on it. A lot said only do it if turbo.sigpicComment
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I think that it's not worthy at all... Like matt said cam timing is really critical... Few days ago I pulled out M50B25Tu and gave it M52B28 crank + rods, with Vanos repair kit from Beisan's and some new bearings, gaskets etc. It is a real beast now... I should say about 30-40% stronger engine now(depends on revs)... Vanos was really bad... If you have 2.8 crank + rods somewhere near for good trade I would go that way if you already don't have a 2.8...Comment
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Just to follow up, was the 3.5 HFM and associated hardware/software worth it?IG: deniso_nsi Leave me feedback here
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