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Quote:
Originally Posted by BReyes View Post
Two types PNC. One was called Alusils. The other was called Nikasils. On NA I have had both types inspected approved by builder. The Alusils look different than the Nikasils.

Have seen 930 PNCs on the market recently not to mention lots of new ones. The machine shop can be made easily accessible with shippping via UPS ground. So yeah as far a twin plug- once have the PNC you can get the heads tapped/ massaged /resurfaced to match the PNC- and then do your exhaust or buy your kit. Do the motronic chip thing thing. Then can get your cam and hardware rings bearings and seals and put it together mount IC to it. This is like way beyond stage one. I want to make sure you enjoy your retirement too so cant spend it all on car.

Easy (OK guys this is the 934 car right here) for you to put 934 front valence and fender flares (you know you built plenty of fender flares back in the day for your favorite bodies.) Later you want a 993. Oh yes, have you seen 993 rear suspensions and custom turbos. Of course we like those too. But this is early turbo.

Yes you can put the motor together to accomplish your goals. There is hardware that you may want to send off to be cadium yellow anodized. Couple of things you can paint in your shop. The newly anodized hardware will not last and will oxidize from the elements but for that first few thousand miles you will have new.

Were you thinking of rear mount or side mount for the turbo? What IC do you have?
Hi Bernard, I have Nickies, (you can tell with a magnet Nickies are magnetic and Aus are not) with Aluminum pistons all in good shape. You quickly get to a point of diminishing returns. I'm working on making the max hp per $ spent. I'm still exploring piston options, but really for now I think these will do, consider them sacrificial to the HP Gods... lol I already talked to the builder about it "Me" so I guess if he is Ok with it then I'm OK with it to... lol I knew someday taking to myself would come in handy...
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Thank You for your time, Paul. We do because we can.
87 911 3.2 (Turbo conversion, build in progress, Thermal Barrier Coatings, High Pressure Dry film coatings) Modified heads, boat-tailed case, ARP hardware, OBX Header, 930 clutch disk, G50 Trans
89 5.0 Mustang convertible (For Sale)
Old 01-21-2009, 12:05 PM
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no shims, stock PnC, probably alusil, don't know for sure.
Todd's chip
begi RRFPR
pay attention, install right, watch what you're doing and everything will be fine.
I believe it's easier than people make it out to be.
edit, yes single plug. I didn't touch anything inside.
Old 01-21-2009, 04:07 PM
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Hey Jerry did you run the rear tin on your car? Also did you use an oil/air separator?
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'89 911 M491+Turbo
'89 944 Turbo
'88 928S4
'18 C63S Coupe
Old 01-21-2009, 05:04 PM
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I was going to drop your name for Paul to search on but couldn't remember your ID, Merv's either.
No, no separator, yes on the tin for no other reason than heat from the turbo. It was mangled up though pretty good.
If I did it again I'd leave it off. Oil temps were cooler with an IC than when the car was in stock form.
Old 01-22-2009, 02:14 AM
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Cheers Jerry, mangled up? from you getting the charge pipe through it or from the heat of the turbo?

Did you get an oil smell from the tank breathing?
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'89 911 M491+Turbo
'89 944 Turbo
'88 928S4
'18 C63S Coupe
Old 01-22-2009, 02:59 AM
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just crummy cut marks from getting the pipe up there, yes.
I really didn't have a whole lot of smoke. Wisps here and there, that was about it.
I know what you're talking about though, saw it on another 3.2 T. I can't explain but I think a fresh valve job has something to do with it.
Old 01-22-2009, 03:20 AM
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Maybe that and rings, thanks for the info as always! I'll stop hijacking this thread.
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'89 911 M491+Turbo
'89 944 Turbo
'88 928S4
'18 C63S Coupe
Old 01-22-2009, 01:18 PM
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A few photos of the head work

Reaming the guides



Checking for concentricity



Nice fit, no more wobble



cleaned up Street porting

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Thank You for your time, Paul. We do because we can.
87 911 3.2 (Turbo conversion, build in progress, Thermal Barrier Coatings, High Pressure Dry film coatings) Modified heads, boat-tailed case, ARP hardware, OBX Header, 930 clutch disk, G50 Trans
89 5.0 Mustang convertible (For Sale)
Old 02-16-2009, 05:53 PM
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If I were to turbo my 3.2 I would run lower compression (8.5/1 ?) J&E forged Turbo pistons. They are a bargain and allow for more boost.

With the lower compression pistons comes a flatter top and this lessens the need for twin plugging. Note that the 993TT ran single plug set up as did the 3.4 RUF yellow bird.
Old 02-18-2009, 02:51 PM
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Quote:
Originally Posted by 911st View Post
If I were to turbo my 3.2 I would run lower compression (8.5/1 ?) J&E forged Turbo pistons. They are a bargain and allow for more boost.

With the lower compression pistons comes a flatter top and this lessens the need for twin plugging. Note that the 993TT ran single plug set up as did the 3.4 RUF yellow bird.
It really depends on the power level you're after, dropping the compression does hurt off boost power but 8.5 is not bad. It's where I'll go next, anything over 10psi you'll need an extra fuel pump and AFMs become expendable so you really need to go MAP like proto do, or MAF which I'm not as big a fan of. You also want a G50 if you're going over 10psi.
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'89 911 M491+Turbo
'89 944 Turbo
'88 928S4
'18 C63S Coupe
Old 02-18-2009, 03:01 PM
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Twins are more fun!
 
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Drop in some good, low mileage 930 P&C's that are in spec and be done with it. These low compression pistons LOVE the boost!

Depends how much power and boost you want to run. At 7.0:1, you can run some serious boost and extract great HP out of these EFI'd motors.
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Carrera TT

(3.3, Protomotive MAP ECU, EFI, GT2 EVO CAMs, Twin Plugged, Twin Turbo's)

Last edited by JMA-RUF; 02-18-2009 at 03:29 PM..
Old 02-18-2009, 03:25 PM
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I got a set of 3.3s that have been flame ring grooved, but need to get re-coated if anyone is interested... they are for sale.
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Old 02-18-2009, 03:35 PM
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My mix for 500hp on an '87 Carrera.

-Turbo pistons
-T60-1 A/R .85 single turbo @ 1 bar
-SC cams
-Full deck intercooler
-380 cc injectors
-Protomotive chip
-Protomotive FPR
-Twin -44 Bosch pumps
-Everything else stock
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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 02-18-2009, 04:27 PM
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So just factory 930 pistons in the Carrera barrels Cory?

Was there any reason you chose an SC grind?

Do you have any pics on how you installed the fuel pumps?
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'89 911 M491+Turbo
'89 944 Turbo
'88 928S4
'18 C63S Coupe
Old 02-18-2009, 06:20 PM
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Twins are more fun!
 
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Quote:
Originally Posted by spence88mph View Post
So just factory 930 pistons in the Carrera barrels Cory?
930 pistons are 97mm... Carrera barrels are 95mm.

You'd need to bore them out, or use OEM 930 cylinders.

OR, slip in some custom made JE's.
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James
Carrera TT

(3.3, Protomotive MAP ECU, EFI, GT2 EVO CAMs, Twin Plugged, Twin Turbo's)
Old 02-18-2009, 06:42 PM
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Thanks JMA!
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Old 02-18-2009, 06:53 PM
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Chain fence eating turbo
 
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Quote:
Originally Posted by spence88mph View Post
So just factory 930 pistons in the Carrera barrels Cory?

Was there any reason you chose an SC grind?

Do you have any pics on how you installed the fuel pumps?
I thought they were just pistons swapped in but I guess not according to JMA. I bought the car the way it is, the cams were already in. As far as the pumps, one is by the tank and the other runs parallel to the trans mount.

Quote:
Originally Posted by JMA-RUF View Post
930 pistons are 97mm... Carrera barrels are 95mm.

You'd need to bore them out, or use OEM 930 cylinders.

OR, slip in some custom made JE's.
I asked this before in the "911 engine rebuilding" forum. My barrels appear to be factory 3.2's (by part number) while my pistons have a greenish color under the crowns and the only number I found were a single "5" stamped underneath. No one said what pistons these may be. So, I might have a 3.3?
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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

Last edited by Tippy; 02-18-2009 at 06:58 PM..
Old 02-18-2009, 06:54 PM
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I missed this thread somehow.
Love the Carrera turbo conversions. Great engine to do this.
I recommend the K27S to my friends turbocharging the 3.2 engine. Boost range is 2000-5500+rpm for a very long pull on boost.
You already have SC grind cams so that isn't and issue.
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'78 911SC Widebody, 930 engine, 915 Tranny, K27, SC Cams, RL8 Headers & GT3 Muffler. 350whp @ 0.75bar
Brian B. (256)536-9977 Service@MKExhaust Brian@RarlyL8
Old 02-18-2009, 06:58 PM
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