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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 3 Series / 4 Series > E36 (1991 - 1999)

E36 (1991 - 1999)
The E36 chassis 3-Series BMW was a huge hit among driving enthusiasts from the first moment the car hit the pavement. The E36 won numerous awards over the years it was produced and is still a favorite of many BMW enthusiasts to this day! -- View the E36 Wiki

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  #1  
Old 02-21-2013, 05:43 PM
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rooster1986 rooster1986 is offline
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Mein Auto: 92 325i
Head rebuild

I've decided to rebuild my cylinder head with some of my tax return money along with a lightweight flywheel and a few other goodies. I allready have valve guides and seals on my list but Im wanting to do some machine work as well.

I get mixed info on the web on whether or not things such as 3 angle valve jobs or port and polish really make a difference. Any info would be appriciated, if anything Ill just port match intake and exhaust and just have the valve seats reground but if you all think theres any gain in more involved machining I would like to know.

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Primered Black 92' 325i. Ireland Engineering Header, Ireland Engineering Catback, TMS Underdrive pulleys, TMS chip, Bav auto fpr, Power Flow cai, Bav auto coil packs, Cool Carbon pads, Eiback springs, Bilstien Sport HD shocks/struts, 3.23 LSD, Understeer short shifter, 16'' Spal Fan, Goodridge Steel Brakelines, M3 Bumper, Black out grill, clear tails, M3 mirrors.
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  #2  
Old 02-21-2013, 08:47 PM
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drivinfaster drivinfaster is offline
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meh....unless you are getting the entire engine rebuilt for optimum performance, which would incluse lightening of the crankshaft, balance and blueprinting of the rods and pistons, and then dialing in the cams (custom performance grind), i would just stick with a standard reman.

the guides may be able to be knurled, and new guides need to be installed with the proper tools.

port/polish is not necessary on daily drivers, and the most i would even consider would be extrude honing. but that is still pricey for the gains.

that's my opinion, and i am able to get a cup of coffe with that, and $1.66.....



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Old 02-22-2013, 02:49 AM
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rooster1986 rooster1986 is offline
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Location: Columbus, Ks
 
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Mein Auto: 92 325i
Thanks, I'll just stick with the basics then.

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Primered Black 92' 325i. Ireland Engineering Header, Ireland Engineering Catback, TMS Underdrive pulleys, TMS chip, Bav auto fpr, Power Flow cai, Bav auto coil packs, Cool Carbon pads, Eiback springs, Bilstien Sport HD shocks/struts, 3.23 LSD, Understeer short shifter, 16'' Spal Fan, Goodridge Steel Brakelines, M3 Bumper, Black out grill, clear tails, M3 mirrors.
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