Flashing - then steady CEL


M

MNJason

GT Owner
May 14, 2010
2,096
San Diego
Glad all appears safe!
 
3

33Bravo

GT Owner
Mark II Lifetime
Nov 3, 2006
688
Minneapolis, MN
nota4re said:
Sorry, no, you would be wrong. Racing fuel would help - but it is hardly a solution and you risk additional damage. I would have bet money on what you found with the sparkplugs based on your description of the pulley and unknown (if any) tune in the engine. You are indeed lucky. My suggestion is that you contact Torrie and he can set you up with a tune "out of the box" and then he could optimize once he is there.
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Hi Kendall

You are correct.

In (finally) finding the documentation on the pulley and (ancient) SCT tuner - it clearly shows that at 18psi - you need at least 100 octane for their tune.

Will be great when Torrie does it right.

In the mean time - I'll take it easy...
 
P

paul b

GT Owner
Nov 2, 2006
810
What kind of plugs did you have, stock or a colder heat range?
 
3

33Bravo

GT Owner
Mark II Lifetime
Nov 3, 2006
688
Minneapolis, MN
nota4re said:
Sorry, no, you would be wrong. Racing fuel would help - but it is hardly a solution and you risk additional damage. I would have bet money on what you found with the sparkplugs based on your description of the pulley and unknown (if any) tune in the engine. You are indeed lucky. My suggestion is that you contact Torrie and he can set you up with a tune "out of the box" and then he could optimize once he is there.
Click to expand...

Kendall - you are correct. Torrie did his magic. His tune, and a Mafia - has the engine where it should be.
 
N

nota4re

GT Owner
Mark IV Lifetime
Le Mans 2010 Supporter
Feb 15, 2006
4,191
Kendall - you are correct. Torrie did his magic. His tune, and a Mafia - has the engine where it should be.
Click to expand...

Excellent! Resume play!
 
tmcphail

tmcphail

GT Owner/Vendor
Mark IV Lifetime
Apr 24, 2006
4,102
St Augustine, Florida
Yeah he pegged the MAF at 5800 with that 2.5 pulley.
 
BlackICE

BlackICE

GT Owner
Nov 2, 2005
1,416
SF Bay Area in California
tmcphail said:
Yeah he pegged the MAF at 5800 with that 2.5 pulley.
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So you added a Mafia?

He must have either been running lean about 5800, or rich at or below the 5800 without one.
 
tmcphail

tmcphail

GT Owner/Vendor
Mark IV Lifetime
Apr 24, 2006
4,102
St Augustine, Florida
BlackICE said:
So you added a Mafia?

He must have either been running lean about 5800, or rich at or below the 5800 without one.
Click to expand...

I did to 2 of the GT's yesterday. Yeah we all know what happens when you hit 5V that earlier. It leans out and timing advances unless the spark and fuel tables are raped to attempt to cover it.
 
BlackICE

BlackICE

GT Owner
Nov 2, 2005
1,416
SF Bay Area in California
tmcphail said:
I did to 2 of the GT's yesterday. Yeah we all know what happens when you hit 5V that earlier. It leans out and timing advances unless the spark and fuel tables are raped to attempt to cover it.
Click to expand...

Were they running stock tunes with a smaller pulley? Sounds like an engine problem just waiting to happen. This thread should be a good reminder for anyone running a modified engine to verify the tune is correct for the mods and if unsure to call Torrie before it is too late!
 
tmcphail

tmcphail

GT Owner/Vendor
Mark IV Lifetime
Apr 24, 2006
4,102
St Augustine, Florida
The car with the KB snout had the KB old box flasher and programs I believe. The other vehicles one was stock the other was fresh mod then straight to dyno. But you are right its a small price to pay to make sure the vehicle is right out of the box and will be safe for enjoyment then the other way around.
 
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