[Matt1970gto]

Originally Posted by Stan Weiss

Can you post dyno sheets for both engines?

What does each engine have for stall speed?

Stan

Both have 6400.

[johnta1]

Is your throttle stop/delay one that has you at an idle/set rpm then opens when ready to go, or on the mat and the 2 step keeps it at a set rpm until ready to go?


Nice dyno sheets!

[Matt1970gto]

Originally Posted by Stan Weiss

Can you post dyno sheets for both engines?

What does each engine have for stall speed?

Stan

Originally Posted by johnta1

Is your throttle stop/delay one that has you at an idle/set rpm then opens when ready to go, or on the mat and the 2 step keeps it at a set rpm until ready to go?


Nice dyno sheets!

My stop rpm is 3750 & remain in low gear while on the stop.

[Stan Weiss]

Originally Posted by Matt1970gto

My stop rpm is 3750 & remain in low gear while on the stop.

What does your fathers car weight and what et does he dial?

Just a WAG using 3350# race weight.

1000 Foot ET = 8.4412
1/4 Mile ET = 9.9051
1/4 Mile MPH = 155.9576

Stan

[Matt1970gto]

Originally Posted by Stan Weiss

What does your fathers car weight and what et does he dial?

Just a WAG using 3350# race weight.

1000 Foot ET = 8.4412
1/4 Mile ET = 9.9051
1/4 Mile MPH = 155.9576

Stan

His car weighs 2750, mine is 2800 & change , I plan to weigh it next week @ the 4 wide . I am guessing I’ll be around 2825. We both run super gas 9.90. He’s usually 9.90 @ 158-160, with his single carb his best mph is 162.At the gators he was having issues & his mph had dropped to 155-156. I was running 157 there. & never making a clean pass. We have matching 1250 get’m carbs on both. Both cars have 3 speed lenco/bruno combinations. 2.08 1st for him, 2.24 for me & both have lightened 4.57 gears. Mine was built to be a twin to his but that never works out. Both have Bickel chassis as well.

[Stan Weiss]

Originally Posted by Matt1970gto

His car weighs 2750, mine is 2800 & change , I plan to weigh it next week @ the 4 wide . I am guessing I’ll be around 2825. We both run super gas 9.90. He’s usually 9.90 @ 158-160, with his single carb his best mph is 162.At the gators he was having issues & his mph had dropped to 155-156. I was running 157 there. & never making a clean pass. We have matching 1250 get’m carbs on both. Both cars have 3 speed lenco/bruno combinations. 2.08 1st for him, 2.24 for me & both have lightened 4.57 gears. Mine was built to be a twin to his but that never works out. Both have Bickel chassis as well.

My simulations below 1000 foot with a throttle stop are way out. About 10 years ago here on PY I did do some simulations for someone who was running a .90 class. The idea for to see what MPH increase they would get from more HP but still running the same et. The simulations were fairly close.

Thank you for that information.

1000 Foot ET = 8.4739
1/4 Mile ET = 9.9008
1/4 Mile MPH = 160.2311

How close is my 1000 foot et?

Stan

[Matt1970gto]

Originally Posted by Stan Weiss

My simulations below 1000 foot with a throttle stop are way out. About 10 years ago here on PY I did do some simulations for someone who was running a .90 class. The idea for to see what MPH increase they would get from more HP but still running the same et. The simulations were fairly close.

Thank you for that information.

1000 Foot ET = 8.4739
1/4 Mile ET = 9.9008
1/4 Mile MPH = 160.2311

How close is my 1000 foot et?

Stan

Pretty close actually. Here’s a time slip from bowling green last year. I’m 2464 & killed 4 mph.

[Matt1970gto]

Originally Posted by Stan Weiss

My simulations below 1000 foot with a throttle stop are way out. About 10 years ago here on PY I did do some simulations for someone who was running a .90 class. The idea for to see what MPH increase they would get from more HP but still running the same et. The simulations were fairly close.

Thank you for that information.

1000 Foot ET = 8.4739
1/4 Mile ET = 9.9008
1/4 Mile MPH = 160.2311

How close is my 1000 foot et?

Stan

Dad is 2537 that was this morning at Reynolds Ga