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Answers from Guy Simpson (archive)

[ Follow Ups ] [ 7-series (E32) Message Board ] [ Msg. Board FAQ ]

Posted by guy simpson on April 03, 2001 at 03:07:05:

In Reply to: Questions for Guy Simpson posted by Andrew on April 03, 2001 at 02:29:35:

Yes the intakes have been back for a several weeks. I'm planning on taking a week off to install a number of mods simultaneously. Racing Dynamics Headers, and catless piping. Intakes, Jim Conforti chips, RD sway bars and play around with different air induction options. I've already installed the cat back portion. I just found out a bunch of e36/e46 at www.DTMpower.net have set up a Dyno session at some place in Seatle on the 20th of May. So I'll know quantitive if it was worth all the money. So far these mods cost in parts, $3000. See by doing the big three, High flow exhaust, chips, and intakes is to increase the bhp to over 378. Jim C and 2 850CSi's and 850i did some work in the fall of 99. It was discovered that a 850i 5.0L with the 3 mods outperformed a 850CSi at 5.6 liters in stock configuration. I'll go back through the archives and post a link to where the discussions begin. In the long term I indend to replace the cams and perform head work. Right now 2 e31 board members are starting to feel their way through the head work by themselves. Lot's of tuners have done wonderful work but I for one am not going to send the heads off to Racing Dynamics, Korman, or others because it's too expensive. The e31'ers have way more disposable cash and they too are breaking out on their own. Hopefully by the end of the year some solid answers will be available for valve oversizing, porting specifications, port matching. Etc.

As for the PCV/Flow control valves. Those two valves are the only ones I replaced. The check valves were good, hoses were clear, I blew compressed air through the intake manifold plenum connection port just to make sure it was clear also. You don't need to remove the throttle motor like someone posted 6-8 months ago. You will need to remove the MAF, air duct boot between it and the throttle motor. Be careful of those MAF connectors. They break easily from old age.

Guy

Guy,

As I recall, you were getting your intakes extrude honed.

Have you received them back yet?

What is the prognosis? (ie: worth $800?)

In reference to your crankcase pressure ordeal, did you replace both the check valves and the volume control valves?

TIA,

Andrew





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