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Old 12-07-2017, 08:18 AM   #1
Irek
 
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Recommended AFR for 2010 Camaro SS with compressor

Hello Guys

What is in your opinion recommended AFR ratio for Supercharged Camaro SS (2010, TVS 2300 compressor)? Currently it is tuned to 502 PS.

When measuring the AFR it shows around 10.7.

Do you think it may be to rich and do you think it may bring any troubles?

I am more interested in safety of the enginge than in maximizing the power.

Thank you in advance.

Best regards
Irek
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Old 12-07-2017, 09:17 AM   #2
dreksnot
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I don’t know what “tuned to 502 PS”means?

An AFR of 10.7 on 91/93 octane petrol is a little rich, but also depends on the power level you are running at. I like to target 11.1.

Have you pulled your spark plugs to see what they say?
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Old 12-07-2017, 09:18 AM   #3
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On 93 pump gas?
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Old 12-07-2017, 10:10 AM   #4
JANNETTYRACING
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Quote:
Originally Posted by Irek View Post
Hello Guys

What is in your opinion recommended AFR ratio for Supercharged Camaro SS (2010, TVS 2300 compressor)? Currently it is tuned to 502 PS.

When measuring the AFR it shows around 10.7.

Do you think it may be to rich and do you think it may bring any troubles?

I am more interested in safety of the enginge than in maximizing the power.

Thank you in advance.

Best regards
Irek
You have to know if your COT fueling is turned on or off.

Off it should be around 11.5 AFR

On it can go to 10.7 pretty easy and this is normal to protect the cats from melting.

Ted.
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Old 12-07-2017, 12:33 PM   #5
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Quote:
Originally Posted by JANNETTYRACING View Post
You have to know if your COT fueling is turned on or off.

Off it should be around 11.5 AFR

On it can go to 10.7 pretty easy and this is normal to protect the cats from melting.

Ted.
COT being converter over temp correct?
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Old 12-07-2017, 12:43 PM   #6
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COT being converter over temp correct?
Yes sir
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