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Old 08-30-2008, 11:21 AM   #1
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Exclamation Engine Temp question ...input...

Hello well just after resetting up my engine yesterday and was racing all day today the engine ran excellent for the first time in ages getting 12 mins a tank so easily making the 10 min efra ruled heats without piting, 5 heats where ran today all of which i feel i did very well pushed hard and was rewarded, after 10 mins engine temps ranged from 112c to 121c

my question is tomorrow if i keep up the work the A final is 1hour long, should i richen my engine slighlty bought 1/8 high end

or will the tempeture it reaches after 10mins remian the same until 1 hour of flat out running is it the max/optimum temp it will reach?
if you understand what im asking.


thanks adam
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Old 08-30-2008, 11:41 AM   #2
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Quote:
Originally Posted by adz06 View Post
Hello well just after resetting up my engine yesterday and was racing all day today the engine ran excellent for the first time in ages getting 12 mins a tank so easily making the 10 min efra ruled heats without piting, 5 heats where ran today all of which i feel i did very well pushed hard and was rewarded, after 10 mins engine temps ranged from 112c to 121c

my question is tomorrow if i keep up the work the A final is 1hour long, should i richen my engine slighlty bought 1/8 high end

or will the tempeture it reaches after 10mins remian the same until 1 hour of flat out running is it the max/optimum temp it will reach?
if you understand what im asking.


thanks adam
You were 144f - 153f for the fahrenheit guys and those are good temps. If it aint broke don't fix it. Take a temp test during your pit if it needs it richen it then, oherwise run the hell out of it.
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Old 08-30-2008, 11:45 AM   #3
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personally I run the main harder than the quals. I richen my engine up 1/2 hour before the main. But if you drive the same in all races, I would leave it alone.
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Old 08-30-2008, 12:08 PM   #4
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100C = 212F - Boiling point on both scales, so 112C has to be over 212F. Actually, 112C is 233.6F, 121C is 249.8F.

Conversion C to F = degC * (9/5) + 32

The temps look good btw, but for a full hr main, I'd richen just slightly too.
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Old 08-30-2008, 12:14 PM   #5
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ok thanks for the input ill see if any1 else has a view aswell, currently i plan to richen slightly about 1/4 max i think should do it i have never run in an hour long main before max has every been was 40 minutes i wonder can i concentrate that hard for an hour lol thanks anyway.
Adam
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Old 08-30-2008, 12:15 PM   #6
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what motor/pipe and fuel are you running? i only get about 8 mins out of my tank.
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Old 08-30-2008, 12:36 PM   #7
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Originally Posted by adz06 View Post
ok thanks for the input ill see if any1 else has a view aswell, currently i plan to richen slightly about 1/4 max i think should do it i have never run in an hour long main before max has every been was 40 minutes i wonder can i concentrate that hard for an hour lol thanks anyway.
Adam
Are you saying 1/4 of a turn? or 1/4 of an hour. Big. Big difference..
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Old 08-30-2008, 12:38 PM   #8
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Quote:
Originally Posted by Duster_360 View Post
100C = 212F - Boiling point on both scales, so 112C has to be over 212F. Actually, 112C is 233.6F, 121C is 249.8F.

Conversion C to F = degC * (9/5) + 32

The temps look good btw, but for a full hr main, I'd richen just slightly too.
your right what was i thinking
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Old 08-30-2008, 03:18 PM   #9
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o yeh ment 1/4 of a turn, as for engine etc

novarossi p5xs, rb no.6 plug ,hong nor long life silver clutch shoes 1mm springs, 14t clutch bell, and hongnor jp3 fuel is byron 25% gen2 (normal not race blend) o and 8mm carb insert

anyway just done a full strip down rebuild of diffs shocks bearings cleaning checking parts etc for tmoz now time to sleep.
thanks
Adam

Last edited by adz06; 08-30-2008 at 11:31 PM.
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Old 08-30-2008, 04:43 PM   #10
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Quote:
Originally Posted by adz06 View Post
o yeh ment 1/4 of a turn, as for engine etc
Naw, when you say 1/4 turn, I think 3 hours. So when I richen it up 1/2 hour, that means that I turn the HSN open just a "smidge".
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