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-   -   A Boxster or a GT3? (http://986forum.com/forums/showthread.php?t=17431)

bmussatti 07-06-2008 02:15 PM

A Boxster or a GT3?
 
Which is better? You tell me:

http://www.youtube.com/watch?v=hpkdKuXZV2o


:)

Quickurt 07-06-2008 02:37 PM

Ha, ha, that GT3 still has the engine hung out there on it's ass, doesn't it?
That doesn't matter as much as it looks, the guy driving the GT3 needs to go to a school somewhere, he wasn't close to being on line!
The Boxster driver is lucky he didn't crash watching to see if the GT3 hit the barrier.

ddb 07-06-2008 02:58 PM

That Boxster sounds sweet!

Jacques79 07-06-2008 03:21 PM

That Boxster sounds like it has individual throttle bodies..

any idea what mods he has?

nola911 07-06-2008 06:44 PM

3.6 with Motec Engine management... Whatever the heck that is!

ekam 07-07-2008 04:02 AM

That guy should be banned from driving a GT3 ... he drove that car with his ego!

bmussatti 07-07-2008 05:12 AM

Quote:

Originally Posted by ekam
That guy should be banned from driving a GT3 ... he drove that car with his ego!

Excellent comment.

insite 07-07-2008 09:03 AM

the real funny part? that's the instructor's group! seriously!

Quickurt 07-07-2008 12:23 PM

Quote:

Originally Posted by insite
the real funny part? that's the instructor's group! seriously!

Yeah, he was doing the "not like this" lesson!! :D

Bob O 07-07-2008 12:51 PM

I don't know what the motec engine management is but his car sounds great! That's an "instructor" in the GT3? Please don't let him be my next instructor!

Bob

Quickurt 07-07-2008 01:29 PM

Quote:

Originally Posted by Bob O
I don't know what the motec engine management is but his car sounds great! That's an "instructor" in the GT3? Please don't let him be my next instructor!

Bob

Motec is just a management system to replace the OEM ECU. It is a programmable/mapable ignition/injection controller.

blue2000s 07-07-2008 01:36 PM

Quote:

Originally Posted by maxferran
3.6 with Motec Engine management... Whatever the heck that is!

Motec is a complete, self contained engine management system. It uses the engine's existing sensors, or sometimes additional ones, to determine fuel and spark timing. There are several systems on the market that do this, I've had a Haltech (another manufacturer) running my rotary engine for a few years that I tuned. It's a big job and it takes a long time to get it right.

These systems allow complete control over the mixture and spark timing of the engine, you don't have to go through the stock ECU at all. The stock ECU is typically completely removed from the car, or at least severely crippled so that it doesn't actually control the engine itself.

It doesn't use a MAF to sense load, so no more fouling, but every time you make a change to the engine, including intake and exhaust, you have to re-tune because it's MAP based.

blue2000s 07-07-2008 01:37 PM

Quote:

Originally Posted by Quickurt
Motec is just a management system to replace the OEM ECU. It is a programmable/mapable ignition/injection controller.

You beat me to it.

Quickurt 07-07-2008 04:11 PM

Quote:

Originally Posted by blue2000s
Motec is a complete, self contained engine management system. It uses the engine's existing sensors, or sometimes additional ones, to determine fuel and spark timing. There are several systems on the market that do this, I've had a Haltech (another manufacturer) running my rotary engine for a few years that I tuned. It's a big job and it takes a long time to get it right.

These systems allow complete control over the mixture and spark timing of the engine, you don't have to go through the stock ECU at all. The stock ECU is typically completely removed from the car, or at least severely crippled so that it doesn't actually control the engine itself.

It doesn't use a MAF to sense load, so no more fouling, but every time you make a change to the engine, including intake and exhaust, you have to re-tune because it's MAP based.

We used a Haltech when we put a Honda engine in a Formula Atlantic Swift DB4(first one done). I thought CAD designing and CNC machining all the adapters and mounts was a big job until it came to just helping my engine builder with the map, since no-one had done a 1.6 Honda engine with the Fuel Injection system we had picked.


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