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3 restos WIP = psycho
 
kenikh's Avatar
 
Join Date: Feb 2005
Location: North of Exit 17
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Ola, I'll say again... Your car is amazing.
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- 1965 911
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- 1980 911SC Targa
- 1979 930
Old 04-18-2015, 10:08 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #21 (permalink)
Turbofrog
 
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Join Date: Aug 2009
Location: Europe
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Thanks. It's not ready to my liking yet. Still needs some sort of zork and smaller mirrors, possibly Vitaloni Sebrings or similar. Paint on these FG parts at the moment is rattle can but original Porsche color and I cant figure out how to get it gloss so they need professional painting some time.

This is oftopic so lets get back to OPs questions : )

Even though my IC is small it has worked well with WMI and 1.2 bar boost.
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79 930: HX40S#16, MS3pro+ID1000+044+E85, Ignition: 123/TUNE/MSD6A, True split BB, 2*turbosmart38
Old 04-18-2015, 10:32 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #22 (permalink)
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Brian - I was expecting about 50 hp gain and 500 rpm drop in boost onset, so if I come closer to the numbers you are quoting, it's gravvy.

Kenik - yes, that dyno sheet is from Barret's old car.
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Brooke
1969 911 ST 3.8 EFI ITB (Irish Green), 1973 911 RS tribute 3.3 turbo (Gulf Blue), 1974 911 3.6 (Black), Beck 904 2.8 project (Silver), 1996 993 C2 (Polar Silver)

2006 Forester STI, 1992 BMW 325 Cab S52 M3, 1952 MG TD with F20C
Old 04-18-2015, 12:38 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #23 (permalink)
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Smurfbus - I had come across your car in my research about intercoolers, but not realized you were running that much boost. Is that only with the water/meth? How effective do you feel your intercooler is?
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Brooke
1969 911 ST 3.8 EFI ITB (Irish Green), 1973 911 RS tribute 3.3 turbo (Gulf Blue), 1974 911 3.6 (Black), Beck 904 2.8 project (Silver), 1996 993 C2 (Polar Silver)

2006 Forester STI, 1992 BMW 325 Cab S52 M3, 1952 MG TD with F20C
Old 04-18-2015, 12:45 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #24 (permalink)
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For my goals, I think the ultimate setup might be water/meth injection with itb's like user Porsche 935. Get the instant throttle response of itb's and the optimal fueling and ignition timing with stand alone efi.



That would be further down the line though, if ever.
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Brooke
1969 911 ST 3.8 EFI ITB (Irish Green), 1973 911 RS tribute 3.3 turbo (Gulf Blue), 1974 911 3.6 (Black), Beck 904 2.8 project (Silver), 1996 993 C2 (Polar Silver)

2006 Forester STI, 1992 BMW 325 Cab S52 M3, 1952 MG TD with F20C

Last edited by rswannabe; 04-18-2015 at 12:59 PM..
Old 04-18-2015, 12:57 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #25 (permalink)
Turbofrog
 
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I have the WMI set to come on at about 0.7 bar so its always on when WOT. I have stopped after some WOT runs to check the temp and its not hot but the WMI helps of cource. I still need to make some funneling to seal the IC to the lid to get even better cooling.
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79 930: HX40S#16, MS3pro+ID1000+044+E85, Ignition: 123/TUNE/MSD6A, True split BB, 2*turbosmart38
Old 04-18-2015, 12:59 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #26 (permalink)
 
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Quote:
Originally Posted by rswannabe View Post
Brian - I was expecting about 50 hp gain and 500 rpm drop in boost onset, so if I come closer to the numbers you are quoting, it's gravvy.

Kenik - yes, that dyno sheet is from Barret's old car.
Correct! When I bought the car from Barret I had Gamroth tune it on their bench dyno. It took them a bit of work toying to get those numbers. Without an intercooler it is at a bit of a disadvantage when looking for big power, but in a 2200 lb car it does just fine. I am uncertain if simply taking off the exhaust will get you a car that pulls the way you want it to. Good luck, I look forward to hearing how your project turns out.
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Old 04-18-2015, 10:01 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #27 (permalink)
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Smurfbus - what boost level do you think you would be running without the water/meth?

Getz - glad you chimed in. I think the exhaust swap will likely get the motor to where I want it. The knock sensor will help me do it safely without the intercooler. The water-meth injection will be my chemical intercooler for when I want to push the boost level up a bit more. We'll see if I'm right.
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Brooke
1969 911 ST 3.8 EFI ITB (Irish Green), 1973 911 RS tribute 3.3 turbo (Gulf Blue), 1974 911 3.6 (Black), Beck 904 2.8 project (Silver), 1996 993 C2 (Polar Silver)

2006 Forester STI, 1992 BMW 325 Cab S52 M3, 1952 MG TD with F20C
Old 04-19-2015, 06:47 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #28 (permalink)
Turbofrog
 
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Well I the have safeguard too so I could experiment some. Its not that hot here even on summer so on very hot days a bit less but other than that 1.2 bar would be ok for me. I have a relatively large turbine side so it helps too.
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79 930: HX40S#16, MS3pro+ID1000+044+E85, Ignition: 123/TUNE/MSD6A, True split BB, 2*turbosmart38
Old 04-19-2015, 09:08 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #29 (permalink)
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Where is "here"?
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Brooke
1969 911 ST 3.8 EFI ITB (Irish Green), 1973 911 RS tribute 3.3 turbo (Gulf Blue), 1974 911 3.6 (Black), Beck 904 2.8 project (Silver), 1996 993 C2 (Polar Silver)

2006 Forester STI, 1992 BMW 325 Cab S52 M3, 1952 MG TD with F20C
Old 04-19-2015, 09:55 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #30 (permalink)
Turbofrog
 
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Finland.
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79 930: HX40S#16, MS3pro+ID1000+044+E85, Ignition: 123/TUNE/MSD6A, True split BB, 2*turbosmart38
Old 04-19-2015, 10:02 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #31 (permalink)
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Ahh, yes. Definitely cooler. Seattle is relatively cool, but we do see temps into the 90's and occasionally into the 100's. But I will be driving the car on road trips into even higher temperature areas sometimes.
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Brooke
1969 911 ST 3.8 EFI ITB (Irish Green), 1973 911 RS tribute 3.3 turbo (Gulf Blue), 1974 911 3.6 (Black), Beck 904 2.8 project (Silver), 1996 993 C2 (Polar Silver)

2006 Forester STI, 1992 BMW 325 Cab S52 M3, 1952 MG TD with F20C
Old 04-19-2015, 10:24 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #32 (permalink)
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Great color.
Old 04-21-2015, 02:41 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #33 (permalink)
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Quote:
Originally Posted by Wolf300tt View Post
Great color.
It's a great paint job with nice attention to detail on the color change. My compliments to the painter.
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Brooke
1969 911 ST 3.8 EFI ITB (Irish Green), 1973 911 RS tribute 3.3 turbo (Gulf Blue), 1974 911 3.6 (Black), Beck 904 2.8 project (Silver), 1996 993 C2 (Polar Silver)

2006 Forester STI, 1992 BMW 325 Cab S52 M3, 1952 MG TD with F20C
Old 04-21-2015, 02:53 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #34 (permalink)
Uncertifiable!!!
 
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Subscribed. I think that I'm going to learn a few things here.
Cheers,
Johan
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Old 04-22-2015, 03:20 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #35 (permalink)
Skunk works
 
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Scubscibed!

Are you allowed to ditch the sugar scoops?

"inconspicuous" and "rarely l8 hooligan" in the same sentence? hmmm
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Old 07-09-2015, 10:18 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #36 (permalink)
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I will be replacing the sugar scoops. The hooligan might be too loud, but I'll at least keep it as an option to swap it in. I hope to have some movement on this project in the next month. Just need to finish up a backyard project first.
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Brooke
1969 911 ST 3.8 EFI ITB (Irish Green), 1973 911 RS tribute 3.3 turbo (Gulf Blue), 1974 911 3.6 (Black), Beck 904 2.8 project (Silver), 1996 993 C2 (Polar Silver)

2006 Forester STI, 1992 BMW 325 Cab S52 M3, 1952 MG TD with F20C
Old 07-10-2015, 07:07 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #37 (permalink)
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Both cars are very cool from many standpoints. I'd love to have a sleeper set up one day…

Question on the water/meth injection: is hydro lock a risk? I saw a BMW N54 (twin turbo from mid 2000s) engine throw a rod through its case due to a meth gone wrong incident.

I think it's an elegant solution all things considered.

Good luck on the build and definitely keep us posted!
Old 07-10-2015, 01:09 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #38 (permalink)
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Time to update this thread. It has been a while because I got sidetracked on this project by the rebuild of the 2.8 in my '69 ST, subsequently replacing that motor with a 3.8, and needing to rebuild the 3.3 in this car due to excessive blowby. Turns out the turbo had multiple shattered rings and had scarred some of the pistons. So we rebuilt the motor with new JE 8.0:1 pistons and rebuilt the heads while we were in there. The heads got twin plugged as well, but I am still running single plug ignition for now.

With the rebuild I installed the GHL headers, the Rarelyl8 hooligan muffler, Leask adjustable WUR and RPM switch, and a Turbokraft big intercooler to fit under the ducktail. Yes, I reversed course on the no intercooler plan I previously had. I decided I just wanted the greater safety factor and didn't want the added complexity of the water meth injection.

With the installation of the new intercooler I had to relocate the WUR, so I fabricated a new bracket for it. While doing that I went ahead and made it so the WUR could be adjusted without unbolting it from the bracket.





The new intercooler is a significant increase in capacity and efficiency over the stock unit and just clears the ducktail. An added benefit is this setup uses the upgraded 964 style recirculation valve for better on/off boost transition.





I also swapped out the restrictive pancake air filter for a freer flowing KN unit.

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Brooke
1969 911 ST 3.8 EFI ITB (Irish Green), 1973 911 RS tribute 3.3 turbo (Gulf Blue), 1974 911 3.6 (Black), Beck 904 2.8 project (Silver), 1996 993 C2 (Polar Silver)

2006 Forester STI, 1992 BMW 325 Cab S52 M3, 1952 MG TD with F20C

Last edited by rswannabe; 11-10-2017 at 10:26 PM..
Old 11-10-2017, 09:13 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #39 (permalink)
3 restos WIP = psycho
 
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Location: North of Exit 17
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Looking good

Sent from my Nexus 6P using Tapatalk
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- 1965 911
- 1969 911S
- 1980 911SC Targa
- 1979 930
Old 11-10-2017, 09:27 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #40 (permalink)
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