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DRV2FST's Avatar
 
Join Date: May 2005
Location: Murfreesboro, TN
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Wow, this car is fun.

I just took a nice joy ride and this car rocks! Even off boost it is VERY strong. On boost it needs bigger tires. A quick punch of the pedal in second gear will prove that I have much more motor than tire at this point. Even with LSD the feeling of both rear tires lighting up without any traction is scary (and fun).
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Kirk
Crashed: Silver 1992 Turbo S2
Sold: '86 930 minor mods; '94 3.6 Turbo; '85 Euro 930 (3.2 Intake, Tec3r EFI, TwinPlug, Garrett Turbo, JE 8.1 Pistons, 505 rwhp)
Old 03-12-2007, 07:44 PM
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Crotchety Old Bastard
 
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Yes, they are a LOT of fun.
What size tires do you have?

It sounds like you have all the bugs worked out. Can you give a quick low-down on the specs, mods, and your impressions?
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RarlyL8 Motorsports / M&K Exhaust - 911/930 Exhaust Systems, Turbos, TiAL, CIS Mods/Rebuilds
'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 03-12-2007, 07:57 PM
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I am running 265 tires on the rear and they are soon to be replaced. As far as thte upgrades. I don't even know all the details. This was not a plan it was a series of bad advise, failed engine builds, and failed EFI upgrades. Pat Williams made it all come together. He salvaged all the parts he could, added some more, and did a first rate rebuild.

I have:
3.3ltr JE 8:1 Pistons
3.2 Intake
Webb cams 964S (05-302)
72 lb injectors (overkill, but I had them handy)
Euro SC twin plug heads with larger (?) valves
Garrett Turbo
Kokeln Intercooler
GHL headers
Borla Muffler
TEC3r EFI coil packs
close ratio 2, 3, & 4 gears
1.0 spring in the WG.

My impressions are as follows:
A 930 with a little assistance is still a supercar. Give it a few of the benefits of 20+ years of improvements and it will hold it's own just fine.
Off boost this car is strong. On boost this car is amazing. There is just the right amount of turbo lag. Just enough for you to anticipate it and try to guess how much traction you have under you right now. Not enough lag that you ever really wait for it.

Lessons learned:
1) Don't try cheaper shops to save money. Save money by hiring the right guy the first time.
2) Don't resist EFI. Done right, it rocks.
3) Don't believe someone just because they post often. You can't post with a wrench in your hand. Results speak for themselves.
4) Don't believe that because someone can make paint look good they know how an engine works. I trusted someone who posts great results about many paint and body projects. They know almost as much as I do about the inside of the engine. And I don't even know how to get inside the engine.
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Kirk
Crashed: Silver 1992 Turbo S2
Sold: '86 930 minor mods; '94 3.6 Turbo; '85 Euro 930 (3.2 Intake, Tec3r EFI, TwinPlug, Garrett Turbo, JE 8.1 Pistons, 505 rwhp)

Last edited by DRV2FST; 03-13-2007 at 05:34 AM..
Old 03-12-2007, 08:24 PM
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I've talked to Pat a couple times since you gave me his number.

He likes to mention your car. He must be proud of it.

My car has the smaller 3.0, with the quick revving 2.4/2.7 style crankshaft, so I am talking with him a little about building a really fast revving engine with a high redline.

It wouldn't have horsepower like your engine, however.
Old 03-12-2007, 08:45 PM
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His race car is a 2.6 twin turbo. He knows how to make the little engines go.

He can sometimes be difficult to talk to. He really does not like to be on the phone. But when you drive one of the cars he built you understand that he does not need to be on the phone he needs to be at the workbench or on the dyno. He knows this too.

In addition to the engine work he did, he also setup my suspension, rebuilt and regeared my transmission. Other than the paint and body this is a PWR car. I am glad he likes to talk about it.

I am taking it back to him for a few odds and ends (AC, new spark plug wires, ...) while I am on vacation. I'll be on the beach wishing I was in my car.
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Kirk
Crashed: Silver 1992 Turbo S2
Sold: '86 930 minor mods; '94 3.6 Turbo; '85 Euro 930 (3.2 Intake, Tec3r EFI, TwinPlug, Garrett Turbo, JE 8.1 Pistons, 505 rwhp)
Old 03-12-2007, 08:55 PM
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Crotchety Old Bastard
 
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Whoa, 265s? Those are FRONT tires - Ha!

You're ready for the 275/315 combo.

I think your advice about posters should be well heeded. There is some really bad advice thrown around now and then by folks who know, or have heard, just enough to be dangerous.

Next time you get a wild hair and venture down south let me know. I'd love to see your car. If I can join the driving trip to Murfreesboro I'll do the same.
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RarlyL8 Motorsports / M&K Exhaust - 911/930 Exhaust Systems, Turbos, TiAL, CIS Mods/Rebuilds
'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 03-12-2007, 08:57 PM
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Hello DRV2FST, I wonder have you dyno'd your engine? After mods, and especially when upgrading boost it is only way to be sure everything works. If you have dyno results, how much? Your'e car sounds like a very nice thing

RarlyL8 u have some nice Strosek parts in your car ), for the tyres, rahter than getting wider (I do have 3 sets of wheels fro my 911 Ruf Turbo (see easily through www below) to have one set for slicks, one set for sports tyres (like Michelin Pilot Sport 2), one set for semislicks, which I prefer almost always: 245-35-18 front and 295-30-18 or 315-30-18 rear.
I've used different brand semislicks (for instance Michelin Cup's, Dunlop Super Sport Races, now probably testing few sets of Toyo R888 this summer) and already when changing many years ago to semi's in regular sizes (235-40-18 front, 265-35-18 rear) I felt the big difference:
-when you have strong side panels in your tyres, you can drive with very light pressures and correct temperatures (especially if your car is very light) with the results of tyres crabbing tarmac like glue.
-they are very ok and usable in everyday driving even here in Finland, so why not there?
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Old 03-13-2007, 01:20 AM
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dyno

Yes, I have dyno'd the engine. The results are posted here
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Kirk
Crashed: Silver 1992 Turbo S2
Sold: '86 930 minor mods; '94 3.6 Turbo; '85 Euro 930 (3.2 Intake, Tec3r EFI, TwinPlug, Garrett Turbo, JE 8.1 Pistons, 505 rwhp)
Old 03-13-2007, 05:36 AM
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Thanks DRV2FST, you have very nice, smooth and impressive Hp/Nm curves.
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Garage: Strosek 911 RUF Turbo|Strosek 911 3.6|Strosek 928|928 S4R|...and more... Altogether 10 Germans - 3 Italians - 2 British
Old 03-14-2007, 12:29 PM
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Thanks
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Kirk
Crashed: Silver 1992 Turbo S2
Sold: '86 930 minor mods; '94 3.6 Turbo; '85 Euro 930 (3.2 Intake, Tec3r EFI, TwinPlug, Garrett Turbo, JE 8.1 Pistons, 505 rwhp)
Old 03-14-2007, 02:04 PM
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