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Old 03-27-2018, 10:58 PM   #1
SC363B
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Default Re: throttle stop motor on dyno question

Never on dyno but I always took my under the carb TS off to run Q16 with my SC dragster It would run 3-4 hundredths quicker.
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Old 03-28-2018, 06:04 PM   #2
Rich Biebel
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Default Re: throttle stop motor on dyno question

My friend did.....and on Q-15 which is a 50-50 mix of Q-16 and a std fuel that I don't recall what fuel that is.....

His 582 with a Sunset Plate stop (tapered bottom) vs no stop was about 20-30 hp difference....IIRC....over 1000HP with and without the plate...

I borrowed his stop and won a race with it and also ran Q-15 for a while myself....
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Old 03-28-2018, 09:03 PM   #3
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Default Re: throttle stop motor on dyno question

VP C-15 is a 50/50 mix of C-16 and C-14. Q-16 is an oxygenated fuel.
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Old 03-29-2018, 03:08 PM   #4
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Default Re: throttle stop motor on dyno question

Q-15 is a mix Gary Stinett supposedly tried and is what I was referring to.

A 50/50 mix of Q-16 and a non oxygenated fuel. I just don't recall what that fuel was.....C-14 or C-16 ...or ?


My buddy ran it for a few seasons and won numerous races with it.

His carb was calibrated for it.....and dyno'ed with it.

I ran it for a while and just upped my jets a few sizes.

It ran fine and is worth a solid 2 MPH...

Our friend and VP dealer supplied it to us at the races....

Very offensive fumes and I was more than happy to stop using it.....

You definitely know when your handling "funny gas" as someone once called it...
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Old 03-30-2018, 09:21 AM   #5
shawnfricke
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Default Re: throttle stop motor on dyno question

Q16 + C15 = Q15

I used it and we still run it in one car, works well as long as you're tuned up properly.

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Old 04-02-2018, 12:27 PM   #6
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Default Re: throttle stop motor on dyno question

My 468 that I ran many years ago was about a 670 hp piece, and it lost 7 HP on the dyno with the stop installed vs a 4-hole spacer of equal height.
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Old 04-16-2018, 05:48 PM   #7
Charlie Yannetti
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Default Re: throttle stop motor on dyno question

We dynoed my SG 565 on C-14+.. with and without the throttle stop on the motor changed the power by 20hp average.. needless to say, going back to an inline stop...
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