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T77911S's Avatar
 
Join Date: Oct 2006
Location: MYR S.C.
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i picked this up from a plumbing shop after reading that someone else used one of these for the same thing. $5. its a bit thick and makes the fit for the air intake to the turbo not fit as good.

the car ran pretty good. no miss but i think power is down, which i have noticed that when it runs good, power is down. i hope it is just mixture. i have the WCP down to 3.2bar so it could now be rich. i dont want to raise the pressure until i get the LM. i would like to see how much the mixture changes with a pressure change. iput the original CD back on. i will try the old coil later.

i still want to see is out there for options for this fitting. this will work as a temp, but there may be something better.


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86 930 42kmiles [__] RUNNING:[__] NOT RUNNING: ____77 911S widebody: SOLD
88 BMW 325is 200K+ SOLD
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08 VOLVO V70 190K:: [__] RUNNING: [__] NOT RUNNING:
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Old 04-29-2013, 01:55 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #41 (permalink)
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Quote:
Originally Posted by mark houghton View Post
You've been pretty thorough checking everything out!

.
i saw your post on rennlist. thanks for the idea. it seems to have fixed it but i am not going to call it jsut yet.
i drove it to work this morning. i was tuned into every little pop or burp. i think it may have popped due to mixture, rich, but it ran smooth.
the RPM's dip when i let off the gas so i know i am too rich, and it did not do that before. i went on ahead a raised the pressure to 3.5bar.

my brother found that the mixture adjustment really only effects idle and not cruise, but he has an O2 cuircuit and i dont so i dont know if mine will react the same as his.
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86 930 42kmiles [__] RUNNING:[__] NOT RUNNING: ____77 911S widebody: SOLD
88 BMW 325is 200K+ SOLD
05 BMW 330CI 130K:: [__] RUNNING: [__] NOT RUNNING:
08 VOLVO V70 190K:: [__] RUNNING: [__] NOT RUNNING:
90 B2200[__] RUNNING:[] NOT RUNNING:__2000 MER E320 WAGON [] WRECKED:[]RUNNING:
Old 04-30-2013, 03:28 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #42 (permalink)
Turbo Hooligan
 
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if you would like to drive 40 min north I would be happy to give you a proper piece of silicone hose/tubing for your turbo...that plumbing rubber will work in a pinch but it doesn't last very long under the high heat.
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Old 04-30-2013, 05:28 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #43 (permalink)
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this is just a temp and a test to see if this fixes the problem.
i might jsut take the drive. let me see whats going on. i may have to go back down to charleston to get the LM check mixture. 1.5hrs
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86 930 42kmiles [__] RUNNING:[__] NOT RUNNING: ____77 911S widebody: SOLD
88 BMW 325is 200K+ SOLD
05 BMW 330CI 130K:: [__] RUNNING: [__] NOT RUNNING:
08 VOLVO V70 190K:: [__] RUNNING: [__] NOT RUNNING:
90 B2200[__] RUNNING:[] NOT RUNNING:__2000 MER E320 WAGON [] WRECKED:[]RUNNING:
Old 04-30-2013, 07:16 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #44 (permalink)
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this sum ***** really goes!!!

seal up all the turbo leaks and its amazing how more power you have AND how much sooner it comes in.
before it was like flipping a switch at around 4300, now it starts around 2500. the miss is back but i still need to check the mixture.

i think i shot flames when i shifted. i saw a flash of light from my left when i shifted. i also over heated the brakes. a few runs at 120 and back down did it. i already thought i needed to go through the brakes and check for stuck pistons.
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86 930 42kmiles [__] RUNNING:[__] NOT RUNNING: ____77 911S widebody: SOLD
88 BMW 325is 200K+ SOLD
05 BMW 330CI 130K:: [__] RUNNING: [__] NOT RUNNING:
08 VOLVO V70 190K:: [__] RUNNING: [__] NOT RUNNING:
90 B2200[__] RUNNING:[] NOT RUNNING:__2000 MER E320 WAGON [] WRECKED:[]RUNNING:

Last edited by T77911S; 05-01-2013 at 02:22 AM..
Old 04-30-2013, 05:31 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #45 (permalink)
Tinkering Pays!!
 
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Quote:
Originally Posted by T77911S View Post
i saw a flash of light from my left when i shifted.
You may have reached "light speed!" Or, maybe a "red light camera?"

Either way, sounds like you're making progress. The miss could be a lean situation.
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Old 04-30-2013, 06:47 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #46 (permalink)
 
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i found that the coil wire has not been staying in the MSD coil. so i put the bosch coil baCK on, it ran like crap. so i put the MSD coil back on but made it so the coil wire stays in and i also put something between the wire and the up tube form the turbo. they where very close. it runs much better. i had to put my CD back in, i fried the spare.....dont tell my brother. i was checking input voltage and i must have shorted the power to the ground for the dizzy signal. ( i dont think i really did that but that is all i can come up with that would cause sparks and for it to fry).
but i think i can fix it.

i went on ahead and bought an MSd CD unit. reading about it i like it a lot. it now has a dial in rev limiter in 100 rpm settings, plus, when you turn the key to "on", the tach verifies the rev limit setting. this will get rid of the speed relay for me. i just need to figure out where to mount it. it will not fit where i put it on my 77.


in the end i think the original coil was bad, but the coil wire falling out of the MSD has been causing the intermittent problems. not sure, but the spare CD may have been a little better.
it still has a very little miss, but the mixture has not been set/checked.
my plug wires may have been bad or going bad. the right side has twice the resistance of the left side.
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86 930 42kmiles [__] RUNNING:[__] NOT RUNNING: ____77 911S widebody: SOLD
88 BMW 325is 200K+ SOLD
05 BMW 330CI 130K:: [__] RUNNING: [__] NOT RUNNING:
08 VOLVO V70 190K:: [__] RUNNING: [__] NOT RUNNING:
90 B2200[__] RUNNING:[] NOT RUNNING:__2000 MER E320 WAGON [] WRECKED:[]RUNNING:
Old 05-01-2013, 05:07 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #47 (permalink)
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fixed the spare CD unit.

drove to work with the origianl CD and to lunch. ran rough. put in spare CD at lunch, ran better. this has been consistant with the 2 CD units.
the MSD unit is going in. i am going to order some new plug wires, cap and rotor. what are good wires to use with the MSD?
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86 930 42kmiles [__] RUNNING:[__] NOT RUNNING: ____77 911S widebody: SOLD
88 BMW 325is 200K+ SOLD
05 BMW 330CI 130K:: [__] RUNNING: [__] NOT RUNNING:
08 VOLVO V70 190K:: [__] RUNNING: [__] NOT RUNNING:
90 B2200[__] RUNNING:[] NOT RUNNING:__2000 MER E320 WAGON [] WRECKED:[]RUNNING:
Old 05-02-2013, 07:59 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #48 (permalink)
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Quote:
Originally Posted by T77911S View Post
i picked this up from a plumbing shop after reading that someone else used one of these for the same thing. $5. its a bit thick and makes the fit for the air intake to the turbo not fit as good.

the car ran pretty good. no miss but i think power is down, which i have noticed that when it runs good, power is down. i hope it is just mixture. i have the WCP down to 3.2bar so it could now be rich. i dont want to raise the pressure until i get the LM. i would like to see how much the mixture changes with a pressure change. iput the original CD back on. i will try the old coil later.

i still want to see is out there for options for this fitting. this will work as a temp, but there may be something better.

Sorry--It may last for maybe-2-6 months if your lucky...Ask how I know.. Just keep checking how soft the rubber becomes, eventually a hole will punch thru..

I used these guys--the cheapest and great product

Intercooler Pipe Fabrication, AN Fittings and Stainless Steel Lines, Water/Air, and Aluminum Pipes

3.0" Silicone Straight Coupler, Black. Might want to get a it a bit longer-just in case.


Walt

Last edited by wjfk32; 05-03-2013 at 08:18 AM..
Old 05-03-2013, 05:58 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #49 (permalink)
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got the LM.

mixture at idle was very lean. i should have driven it to see where it was at cruise so i could see how changing the idle would effect cruise.
anyway. idle is 12.1 and cruise is 14.9 to 15.3 with boost at 12.
i think idle should be a ilttle leaner, like 13 to 13.5. i dont know how it is not surging or dipping down being this rich.
maybe i still have an air leak to have such a rich idle and lean cruise. i would like them to be closer.

my WCP is 3.5bar.

it was much better driving in this morning. seems like changes take a little longer to fully settle in with this car versus my 911. now that i think about that, i think someone else has said that to me.
the miss was much better but, if i was to hold the rpm;s at like 4k, i think it still feels a tad rough. i will have to drive it some more and see. but it is much much better.
i am going to get some new plug wires, cap, rotor and plugs. i was told to use the silver plugs. i am thinking about the clewett wires.

remember it takes more time for mixture changes to settle in with these cars
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86 930 42kmiles [__] RUNNING:[__] NOT RUNNING: ____77 911S widebody: SOLD
88 BMW 325is 200K+ SOLD
05 BMW 330CI 130K:: [__] RUNNING: [__] NOT RUNNING:
08 VOLVO V70 190K:: [__] RUNNING: [__] NOT RUNNING:
90 B2200[__] RUNNING:[] NOT RUNNING:__2000 MER E320 WAGON [] WRECKED:[]RUNNING:
Old 05-07-2013, 04:05 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #50 (permalink)
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..."mixture at idle was very lean"... "idle is 12.1 and cruise is 14.9 to 15.3 with boost at 12..."..."remember it takes more time for mixture changes to settle in with these cars"...

I don't agree with the above: 12.1 at idle is too rich - unless cold (first start). 14.9 to 15.3 at cruise is OK. Boost at 12 is too lean - I'd recommend under 11. Double check your gage first.
My 930 and others I'm familiar with respond to mixture adjustments right away and settle after a short spin.
Old 05-07-2013, 04:38 AM
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12.1 was after a 4 hour drive.

i would like 14.5 to 15 at cruise and with 3.5bar i think i may still have an air leak. it is down one full point at least. i think it would run a little better being just a tad richer. my brothers run very well in the low to mid 14's cruising and his idle is around 12.5 i think. his CP is a little higher than mine.

12 on boost was just one run and not at full boost. not good to try and read AFR's with traffic and flooringa 930.

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86 930 42kmiles [__] RUNNING:[__] NOT RUNNING: ____77 911S widebody: SOLD
88 BMW 325is 200K+ SOLD
05 BMW 330CI 130K:: [__] RUNNING: [__] NOT RUNNING:
08 VOLVO V70 190K:: [__] RUNNING: [__] NOT RUNNING:
90 B2200[__] RUNNING:[] NOT RUNNING:__2000 MER E320 WAGON [] WRECKED:[]RUNNING:

Last edited by T77911S; 05-07-2013 at 05:24 AM..
Old 05-07-2013, 05:13 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #52 (permalink)
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