DuffyMahoney
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Everything posted by DuffyMahoney
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3.2L engine parts arrived from Rebello today! JE Pistons, Eagle rods and king race bearings. Rod bearing clearances are spot on. Marine Crank did a fanstatic machining job on my extra long stroke LD crank.
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Probably my favorite engine swap in a Z
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Engine builder is removing the casting flash and de-burring the block today. Getting ready for Glyptol coating. Pretty neat.
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Well we finally got a block that passed sonic testing. It took 4 to get one that can handle the 88.5 pistons. N42 for the win! Thanks Andrew Kazanis! It’s going to be a sweet motor.
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Not keeping the intake ports rough. They are done already. Flow data is attached. Valve guides were left in during porting then replaced after by a machine shop. I don’t believe the chambers were touched. But I will ask Andrew (engine builder) I went through 4 E-31 heads before i found one that was cast nicely and no flaws.
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I did the dsi valves. Nothing was done to the chamber. But I installed dsi valves. Lots of port work though. Flows awesome.
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Well it runs, but terrible. I have a massive vac leak, either from my balance bar not sealing or maybe a throttle body wasn't bolted down correctly, I had issues with one not seating well. Even with throttle plates in the fully closed position it runs happily at 900 rpms. So it's getting a ton of air from somewhere.
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Haltech elite 750. I will set the butterflies first. Then I can still use the iac for a rock solid idle. But it’s normally perfect.
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Warm I want the valve almost 0% open
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Pretty neat feature. I will try to set warmed idle at butterfly’s and at the ITB air bypass screws. Hopefully i can leave the IAC adjustable bleed closed
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Now this looks snazzy
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PCV question. This isn’t a debate about the need for a PCV vs a catch can. I want true postive vent. I decided I want to use my exhaust to pull the fumes out, to keep the dirty fumes out of my intake. But since I have Fujitsubo. I have true dual exhaust. Is plumbing to one good enough? Should I still use the stock check valve? I would guess it holds back a tiny bit of pressure before popping open? My plan was to weld this bung at a 45 just past my o2 bungs on my exhaust. With the stock check valve in line.
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My comment wasn't directed at you.
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Well I wanted it flawless. So it takes a while. my system uses the exact pumps and nozzles as the top system on the market.
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Well the 80s bmw iac is awesome, smaller and nice looking. Let’s no air or minimal amount by when physically closed. Now to find out what pin is positive.
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It probably took 5 hours to vapor blast all of it. Lots of surface area.
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E31 is back from final surfacing! Vapor blasting it was tedious. But results areawesome.
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Thank you so so much. Ordering now
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Internet is coming up with zero on the plug.
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I bought the vdo. Thanks for the help! Now I need to find a pigtail first the harness
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No throttle blade on any carb or throttle body that I have seen is designed to seat 100%. On carbs that I have rebuilt you can see damage from people trying. I got it to run and idle down, but butterflys stick almost fully. I will fix it right and get an IAC that closes 90-100%. Really I want the IAC off after it's warm. OEMs that do ITB use a large balance log just like this, bmw etc..
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It lets zero air go by?
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It’s not about air. But I could have gotten away with a 8mm hole im guessing.
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Thanks!!
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2 wire. Simple. It’s a popular iac for modders
