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Heat Ducts

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Part #: 911-106-322-01-PH

Part #: 930-106-321-01-V2-PH
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1974 911 Coupe
1974 IROC Tribute
1975 911S Coupe
Old 02-21-2018, 07:05 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #21 (permalink)
Chain fence eating turbo
 
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Oh, and your shroud looks stellar too! Great job!
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Cory - turbo'd '87 C3.2 Guards/Blk, 3.4, 7.5:1 CR P & C's, soon to be 993SS cams and GSXR 750 ITB's fed by 964 intake, Borg-Warner S366 turbo @ 1.4 bar, Treadstone full bay IC, TiAL F46 WG, HKS 1 1/2" BOV, twin 044 pumps, MegaSquirt 2 (v3.57 board) w/EDIS, Tramont wheels (285's rr, 225's frt), Big Reds frt, 993 rr., tower brace, MOMO wheel
Old 02-21-2018, 07:08 AM
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KTL KTL is online now
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Curtiss Wright has a cool video on their site to show the shot peening process and what it physically does to the metal

https://cwst.com/shot-peening/overview/?gclid=Cj0KCQiAzrTUBRCnARIsAL0mqcxXAJcXpcEt8v1XdWf 9QcqqsES3MVpqrZe1IMT5gKXlAi1APPWgMX0aAl9lEALw_wcB
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Kevin L
Present: '86 Carrera, '79 911SC widebody conversion rolling racecar shell
Past: '87 Carrera
Old 02-21-2018, 07:12 AM
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KTL- Thanks for the shot peening video link!
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1974 911 Coupe
1974 IROC Tribute
1975 911S Coupe
Old 02-21-2018, 07:21 AM
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stephen- The Curtiss Wright video link posted by KTL explains the shot peening process well. I took the intakes to a shot peening shop in Glendale. They used steel balls as the medium.
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1974 911 Coupe
1974 IROC Tribute
1975 911S Coupe
Old 02-21-2018, 07:29 AM
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75 911s- My 3.4L 1975 911s is staying a narrow body. I've been considering upgrading to Boxster brakes. I might start another thread about the rest of the car.
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1974 911 Coupe
1974 IROC Tribute
1975 911S Coupe
Old 02-21-2018, 07:38 AM
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Got the enlarged throttle body and refurbished air flow meter back from Steve Wong.









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1974 911 Coupe
1974 IROC Tribute
1975 911S Coupe
Old 02-23-2018, 05:44 PM
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looks amazing, how many hours would you say you have into so far??
Old 02-24-2018, 10:37 AM
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I'd say I have about 3 hours in the teardown, 8 hours in shaping the intakes, 2 hours refurbishing the injector harness, 2 hours painting the engine shroud, 2 hours in rebuilding the fuel lines, and maybe 4 hours in assembly so far. Also, plenty of time driving to drop off and pick up the plating, injectors, and shot peening. Adds up!
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1974 911 Coupe
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Old 02-24-2018, 07:28 PM
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Great work, very satisfying I'm sure. John in CT.
Old 02-27-2018, 04:06 PM
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There is no substitute.
 
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Mr Carlsonroad. this is not stock. Steve Wong hocus pokus?
Old 02-27-2018, 06:35 PM
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bickyd- I put that cap on. Not sure if it was needed. It didn't seem to do anything but cover the throttle screw. I might have misread a parts diagram? I'll probably take it off.
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1974 911 Coupe
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Old 02-27-2018, 06:49 PM
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Here's the cap on Pelican.

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1974 911 Coupe
1974 IROC Tribute
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Old 02-27-2018, 07:11 PM
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Can you describe what gains the Steve Wong work accomplished and the cost. I picked up a Euro 3.2 with broken head studs and need to re-fresh my intake system as well.
Old 02-27-2018, 07:55 PM
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Well I'll be darned. Didn't know there was a cap for the idle screw. thanks for the heads up. seriously though, I was kinds hoping for hocus pokus....... you going to stay with the single pintle 158 injectors? great job on the refurbish.
Old 02-27-2018, 08:49 PM
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ARCSinAK-
The enlarged throttle body was $250. It increased the existing throttle body by 3mm. Which increases the cross sectional area by about 10%. Seems substantial to me. It required that I send Steve the stripped-down throttle body for the conversion.

The Air Flow Meter was first inspected by Steve to determine if it needed any work. He found that it had the common problem of wear on the resistor track. He re-tracked the swinging contact arm so it makes contact on a new portion of the resistor track (I've watched him do this in person while we Dyno tuned a previous 3.2 motor). The Air Flow Meter Renew/Re-Track service was also $250. Well worth it (if it's needed). It made a huge difference in my previous 3.2 motor.
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1974 911 Coupe
1974 IROC Tribute
1975 911S Coupe
Old 02-27-2018, 09:05 PM
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bickyd- Thanks! It's been a fun project. I had the original injectors rebuilt. Seemed the cheapest route and I didn't realize there were other options.
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1975 911S Coupe
Old 02-27-2018, 09:14 PM
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Quote:
Originally Posted by carlsonroad View Post
ARCSinAK-
The enlarged throttle body was $250. It increased the existing throttle body by 3mm. Which increases the cross sectional area by about 10%. Seems substantial to me. It required that I send Steve the stripped-down throttle body for the conversion.

The Air Flow Meter was first inspected by Steve to determine if it needed any work. He found that it had the common problem of wear on the resistor track. He re-tracked the swinging contact arm so it makes contact on a new portion of the resistor track (I've watched him do this in person while we Dyno tuned a previous 3.2 motor). The Air Flow Meter Renew/Re-Track service was also $250. Well worth it (if it's needed). It made a huge difference in my previous 3.2 motor.

hmmm... what is all this witchcraft you speak of??
Seriously though... I'd like to know more about this. So total cost to have Steve Wong to do all of this was $500?

What improvement did it actually do? response? performance?
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Old 02-28-2018, 06:26 AM
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Trakrat- Yes, $500 for the Throttle body enlarging and for the re-tracking of the Air Flow Meter resistor track.

The air flow meter work is a repair so there are no performance advantages...just getting it back to original factory condition.

Here's a link about the air flow meter

[3.2 Motronic] Air Flow Meter wiper arm re-tracked - WOW!.


I'll let you now about the performance of the throttle body when the motor is dyno'd.
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Old 02-28-2018, 07:04 AM
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Quote:
Originally Posted by carlsonroad View Post
bickyd- Thanks! It's been a fun project. I had the original injectors rebuilt. Seemed the cheapest route and I didn't realize there were other options.
options.... 0280150158 is the stock fuel injector and flows 21.8 pounds of fuel per hour. there is also 0280150159 which flows approximately 1.5 pounds of fuel more per hour than the 158. I am thinking this is for the 10.3 to 1 compression euro version of the 3.2 liter. could be wrong tho. stock injectors are EV1 connector and are low impedance coils. 2.4 ohms i believe. the DME in our cars can handle high impedance coils from modern injectors without harm but i believe it affects off times in relation to firing or dead time. there are many opinions in relation to this topic on this board. 0280150360 and 0280150364 are said to be drop in alternative injectors. these injectors flow 25.7 pounds of fuel per hour. both are EV1 connectors and low impedance coils. I myself have purchased 0280155784 injectors from ebay for a whopping sum of 41 dollars canadian after shipping for 6. new , not refurbished. ( mere beer money for you guys) these injectors are four hole injectors that atomize the fuel to a greater degree. they flow 21.3 pounds per hour and are high impedance with an EV6 connector. connector adapters are cheap and small enough to not notice when in place. some say they have run these for many many years with no adverse affects other than superior performance. others say you are risking lean conditions in either tip in , idle , wide open throttle or cruising. i am going to try them but play on the safe side and install an Air / fuel ratio meter so at least i can hopefully anticipate the big bang. I re and re'd my AFM myself and can attest to improved response and it eliminated a stumble at 2000 rpm. its not that hard. ymmv. your injectors look nice but the coils are still 30 years old. not a biggie unless they have seen excessive current. This is info I have gleaned from the forums. I left out names so I don't get !@#@ kicked. I have heard about people from texas.......
Old 02-28-2018, 08:12 PM
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