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Discussion Starter · #1 ·
ok i have read about the EGt's getting to high with a MAP clamp on a Stage 2 car. Are there any ways to lower the EGT's or what? Im just curious because i was thinking about getting the Powerpaq, but i don't want the EGT's to be tto high. Thanks for any help.

p.s. I searched on google and couldnt find anything, but i can never find what im looking for.
 

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Blackpearl04 said:
ok i have read about the EGt's getting to high with a MAP clamp on a Stage 2 car. Are there any ways to lower the EGT's or what? Im just curious because i was thinking about getting the Powerpaq, but i don't want the EGT's to be tto high. Thanks for any help.

p.s. I searched on google and couldnt find anything, but i can never find what im looking for.
More fuel will drop the temperature. The opposite of what the Powerpaq will do. Sorry

Percy
 

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Dale Seeley said:
I would have thought retarding the timing would cool things, but then again, people tell me I'm retarded all the time, and I'm definately not cool....
Yep, advanced timing leads to cooler EGT's <-- check out google :)

Most people think it's backwards but in reality is not.
 

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Timing advance helps to lower EGT by getting things happening earlier in the combustion cycle so less fuel is burned later in the cycle. This also facilitates a higher mass fraction of fuel burned in the areas of the piston to bore relationship which raises power output.
A quote.
 

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huh.... and we've been retarding timing with the nitrous cars all these years...

I guess I could make an arguement for advancing though, since advancing improves the chance of overheating the combustion chamber (detonation), it's not a stretch to accept that retarding the timing would allow some of the combustion to finish up after the exhaust valve.

I still don't fully buy it, I'd have to play around with it a little...

edit: See? THAT'S why I let Ethan do my tuning for me... :lol:
 

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pdieppa said:
More fuel will drop the temperature. The opposite of what the Powerpaq will do. Sorry

Percy

the powerpaq can control fuel every 250rpms. weither you want more or less. my car with a power pack runs quite fat for safety at around 11:5:1. i'd just get stage II and don't mess with a thing with the boost levels.

get a good flowing full exhaust with new 02 housing. larger frontmount intercooler as well. both will help for egts.
 

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Discussion Starter · #10 ·
what are water injection...i thought that lowered temps?
 

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Dale Seeley said:
huh.... and we've been retarding timing with the nitrous cars all these years...

I guess I could make an arguement for advancing though, since advancing improves the chance of overheating the combustion chamber (detonation), it's not a stretch to accept that retarding the timing would allow some of the combustion to finish up after the exhaust valve.

I still don't fully buy it, I'd have to play around with it a little...

edit: See? THAT'S why I let Ethan do my tuning for me... :lol:
's true. At least when talking about ignition timing. Now with valve timing, it's the other way 'round: advancing the exhaust cam will raise EGTs.
 
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