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Nice...BTW on my M5 I consistently saw a difference of between 12-18 rwhp on the same Dyno Dynamics dyno switching between a 91 octane tune and a 94 octane tune, the latter using pump 94 octane gas, and both tunes from the same tuner. What's your guess as to the incremental rwhp from using 100 octane?Originally Posted by dodger63
This would be the race file, the car has mhp headers and race exhaust and 100 octane fuel, so if that's your setup it should be close to these numbers
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All I can say is this, amgftw car has the same setup it was same dyno actually larer in the day so bettter air I would assume I made 35+ more rwhp with the race exhaust and 100 octane fuelOriginally Posted by bhamg
Nice...BTW on my M5 I consistently saw a difference of between 12-18 rwhp on the same Dyno Dynamics dyno switching between a 91 octane tune and a 94 octane tune, the latter using pump 94 octane gas, and both tunes from the same tuner. What's your guess as to the incremental rwhp from using 100 octane?
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Originally Posted by PetroC63
Maybe we can meet in the middle somewhere.
Columbus works for me.....

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Believe it or not the air was worse later in the day. On my final pull I think it was around 80F IATs. Not bad but no great. Originally Posted by dodger63
All I can say is this, amgftw car has the same setup it was same dyno actually larer in the day so bettter air I would assume I made 35+ more rwhp with the race exhaust and 100 octane fuel
I also am running the stock airboxes

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I also am running the stock airboxes
Never the less looks like about 35 hp for exhaust and 100 octane correctOriginally Posted by AMGFTW
Believe it or not the air was worse later in the day. On my final pull I think it was around 80F IATs. Not bad but no great. I also am running the stock airboxes
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I would say that's about right.
10-15whp for the 100 Octane and 20-25whp for the exhaust seems logical.
10-15whp for the 100 Octane and 20-25whp for the exhaust seems logical.