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Old 06-25-2012, 12:43 PM   #61
BMe30
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Before or after itbs :p
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Old 06-26-2012, 09:03 PM   #62
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here are some pics of the itb's longer throttle tab

at first i used rivets... but noticed there was some play when opening the butterflies... so i got it welded.



then i cut some SS pipe for spacers where the itbs bolt together.. also you can see where i used the rivets and where it was welded







a little fine tune and alll the butterflies have the same gap at idle and same position at WOT.

next step... plug those holes!
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Old 06-27-2012, 09:28 AM   #63
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I was thinking about plugging those holes the other day, I figured it'd be easy to find NPT thread with a drill diameter closest to the size of the hole (drill them out slightly larger if necessary). Then just tap them and put pipe plugs, you could also install barbed fittings if you wanted to use them to pull vacuum.
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Old 06-27-2012, 09:57 AM   #64
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I was looking at those barbed fittings yesterday they will work perfect. I just have to double check the opening in the itbs and the id of the valve cover vent...
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Old 07-01-2012, 12:39 PM   #65
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Ok here is what i was able to do this morning...

Used that quck aluminum stuff... And wow! So far its looking like a great product... Here are some pics...






So those where all the holes i needed plugged.. I will sand smooth the inside of the itbs later...

The remaining 4 holes i used a barbed insert for the vac line for the valve cover line... Later in ill get an oil catch can to put in between





Next i started to wire the tps to see how the itb tps reads...



I hooked it up and manually checked the readings... The stock tps readt from idle .05v to wot 4.66v.... The itb tps at idle reads 2.3v to wot 4.70v. I tried adjusting the tps but nowhere near the range as stock... And to modify the stock tps to the itbs looks near impossible... Im going to continue with the rest of the build to get it running.. And see what diff that range makes.
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Old 07-01-2012, 05:39 PM   #66
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Very cool project, the ingenuity that is going into this is well above my skills or knowledge but it is interesting to watch it come together.
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Old 07-01-2012, 06:19 PM   #67
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Quote:
Originally Posted by qwerte View Post
Very cool project, the ingenuity that is going into this is well above my skills or knowledge but it is interesting to watch it come together.
Thanks

Its all from trial and error.. Hrs of research on the net.. And asking questions.

Most of the time im just praying its going to work better than v1 lol
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Old 07-02-2012, 12:43 AM   #68
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What are these fittings going to be used for?

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Old 07-02-2012, 08:32 AM   #69
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^^^^^ Those fittings will be connected to the valve cover breather line. All 4 of those fittings will be connected as a log line.

I should be at that point some time this week.... Along with my fiberglass plenum build...
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Old 08-01-2012, 01:00 PM   #70
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So i figured id do a little work on the car today..

Picked up some vac line.. Connectors.. 90deg elbow.. Going to fab up another bracket for my afm.. And going to start working on the pattern for the fg plenum

Here is where im at so far...


More to follow...
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Old 08-01-2012, 02:35 PM   #71
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So this is just the mock up before i start fg the plenum... There is one clearance issue but not a big deal to fix. Right now going to line up the 90deg elbow to the bottom center of the plenum



That will lead to the new mounting bracket for the afm
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Old 08-01-2012, 02:43 PM   #72
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lol is this a real time build thread now? Updates for every beer opened? lol
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Old 08-01-2012, 02:48 PM   #73
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lol i wish every beer!

worst part is after today i wont be able to work on it again for a while :S still hope to have it for bimmercruise.

btw.. good job on your build!! i read that its pulling along great!
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Old 08-01-2012, 03:48 PM   #74
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Thats pretty much what its going to look like when its done...

I just need to shape the plenum a bit to clear the hood. Then start to fg it
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Old 08-01-2012, 08:19 PM   #75
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Any reason why you aren't going for a bigger plenum? You have anything at the ends of the stacks ie trumpets?
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