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DRR All Star
posted Hide Post
quote:
Originally posted by "The Bender":
Went from 1.5° up to level...….


In the dragster?
Basically changing the height of the center of gravity/mass?


Foxtrot Juliet Bravo
 
Posts: 5964 | Location: Illinois | Registered: July 08, 2004Reply With QuoteReport This Post
DRR S/Pro
Picture of Mike Rietow
posted Hide Post
quote:
Originally posted by Bucky:
quote:
Originally posted by "The Bender":
Went from 1.5° up to level...….


In the dragster?
Basically changing the height of the center of gravity/mass?


Crankshaft centerline in relation to the pinion.

Less up pinion angle.


https://youtu.be/FZ6zwnyDwUg

http://ottm.store

https://youtu.be/I8QWEaqeFRw

1996, 1998, 2001, 2003, 2005, 2006, 2008 Super Pro Champion Sunshine Dragstrip, Clearwater Florida
 
Posts: 8824 | Location: Madeira Beach Fl. | Registered: June 12, 2018Reply With QuoteReport This Post
DRR S/Pro
Picture of "The Bender"
posted Hide Post
The crankshaft angle of the engine in relation to the frame rails. More up angle equals more hook, less up or even down angle equals less hook.


272" Spitzer
540 Chevy
The Blower Shop XR1
FTI XPM Series Converter
FTI Level 6 Powerglide
3.69@199
.916 60'

2017 Bradenton Heads Up Madness
Open Outlaw Champ

2018 PDRA T/D #5
2019 PDRA T/D #2

2020 Retired From T/D Competition....

2020 Bradenton NMCA Hemi Shootout Winner

2021 getting back into bracket racing........
 
Posts: 2986 | Location: Yes | Registered: July 08, 2009Reply With QuoteReport This Post
DRR S/Pro
Picture of Mike Rietow
posted Hide Post
quote:
Originally posted by "The Bender":
The crankshaft angle of the engine in relation to the frame rails. More up angle equals more hook, less up or even down angle equals less hook.


If the crankshaft centerline is 1.5 degrees up, the output shaft is down 1.5 degrees. Which would mean the pinion would be up .50 to .75 degrees, to arrive at or around 1.50 up degrees under power.

After the crank was moved 0 degrees, the output was 0 degrees also and the pinion down .50 to .75 degrees, to arrive at or around 0 degrees under power, at the hit correct?

Less up pinion angle allowed you to better tailor the driveshaft graph correct?


https://youtu.be/FZ6zwnyDwUg

http://ottm.store

https://youtu.be/I8QWEaqeFRw

1996, 1998, 2001, 2003, 2005, 2006, 2008 Super Pro Champion Sunshine Dragstrip, Clearwater Florida
 
Posts: 8824 | Location: Madeira Beach Fl. | Registered: June 12, 2018Reply With QuoteReport This Post
DRR Trophy
posted Hide Post
Solid dragster better be crank shaft aligned pinion. As in the face of rear housing parallel to the motor plate. Keeps em outta the cones.
 
Posts: 176 | Location: Rock><Hard Place | Registered: February 20, 2010Reply With QuoteReport This Post
DRR S/Pro
Picture of "The Bender"
posted Hide Post
quote:
Originally posted by Mike Rietow:
quote:
Originally posted by "The Bender":
The crankshaft angle of the engine in relation to the frame rails. More up angle equals more hook, less up or even down angle equals less hook.


If the crankshaft centerline is 1.5 degrees up, the output shaft is down 1.5 degrees. Which would mean the pinion would be up .50 to .75 degrees, to arrive at or around 1.50 up degrees under power.

After the crank was moved 0 degrees, the output was 0 degrees also and the pinion down .50 to .75 degrees, to arrive at or around 0 degrees under power, at the hit correct?

Less up pinion angle allowed you to better tailor the driveshaft graph correct?


I a word, no.

I am talking about a hardtail car here, so the pinion angle does not change under power. Didn't change the pinion angle, just the engine angle relative to the frame rails.


272" Spitzer
540 Chevy
The Blower Shop XR1
FTI XPM Series Converter
FTI Level 6 Powerglide
3.69@199
.916 60'

2017 Bradenton Heads Up Madness
Open Outlaw Champ

2018 PDRA T/D #5
2019 PDRA T/D #2

2020 Retired From T/D Competition....

2020 Bradenton NMCA Hemi Shootout Winner

2021 getting back into bracket racing........
 
Posts: 2986 | Location: Yes | Registered: July 08, 2009Reply With QuoteReport This Post
DRR S/Pro
Picture of "The Bender"
posted Hide Post
quote:
Originally posted by bry-war:
Solid dragster better be crank shaft aligned pinion. As in the face of rear housing parallel to the motor plate. Keeps em outta the cones.


Believe it or not there is some wiggle room in the coupler between the engine/trans angle and the pinion.

We changed the engine angle 1.5° without moving the pinion/rearend. The two halves coupler still slid in and out smoothly after the change...……..I would not have believed this, but the guys at Elite said it would work, and they were right.


272" Spitzer
540 Chevy
The Blower Shop XR1
FTI XPM Series Converter
FTI Level 6 Powerglide
3.69@199
.916 60'

2017 Bradenton Heads Up Madness
Open Outlaw Champ

2018 PDRA T/D #5
2019 PDRA T/D #2

2020 Retired From T/D Competition....

2020 Bradenton NMCA Hemi Shootout Winner

2021 getting back into bracket racing........
 
Posts: 2986 | Location: Yes | Registered: July 08, 2009Reply With QuoteReport This Post



DRR S/Pro
Picture of Mike Rietow
posted Hide Post
quote:
Originally posted by "The Bender":
quote:
Originally posted by Mike Rietow:
quote:
Originally posted by "The Bender":
The crankshaft angle of the engine in relation to the frame rails. More up angle equals more hook, less up or even down angle equals less hook.


If the crankshaft centerline is 1.5 degrees up, the output shaft is down 1.5 degrees. Which would mean the pinion would be up .50 to .75 degrees, to arrive at or around 1.50 up degrees under power.

After the crank was moved 0 degrees, the output was 0 degrees also and the pinion down .50 to .75 degrees, to arrive at or around 0 degrees under power, at the hit correct?

Less up pinion angle allowed you to better tailor the driveshaft graph correct?


I a word, no.

I am talking about a hardtail car here, so the pinion angle does not change under power. Didn't change the pinion angle, just the engine angle relative to the frame rails.


In that case the engine angle was reinvented parallel with the face of the rearend housing and motorplate. Same concept.


https://youtu.be/FZ6zwnyDwUg

http://ottm.store

https://youtu.be/I8QWEaqeFRw

1996, 1998, 2001, 2003, 2005, 2006, 2008 Super Pro Champion Sunshine Dragstrip, Clearwater Florida
 
Posts: 8824 | Location: Madeira Beach Fl. | Registered: June 12, 2018Reply With QuoteReport This Post
DRR S/Pro
Picture of Mike Rietow
posted Hide Post
quote:
Originally posted by bry-war:
Solid dragster better be crank shaft aligned pinion. As in the face of rear housing parallel to the motor plate. Keeps em outta the cones.


Hitler inspire you to learn that technique lefty?



https://youtu.be/FZ6zwnyDwUg

http://ottm.store

https://youtu.be/I8QWEaqeFRw

1996, 1998, 2001, 2003, 2005, 2006, 2008 Super Pro Champion Sunshine Dragstrip, Clearwater Florida
 
Posts: 8824 | Location: Madeira Beach Fl. | Registered: June 12, 2018Reply With QuoteReport This Post
DRR Trophy
posted Hide Post
Believe it or not there is some wiggle room in the coupler between the engine/trans angle and the pinion.

We changed the engine angle 1.5° without moving the pinion/rearend. The two halves coupler still slid in and out smoothly after the change...……..I would not have believed this, but the guys at Elite said it would work, and they were right.[/QUOTE] May i ask how they did this? Did they make two new engine plates, front and rear?
 
Posts: 99 | Location: Work | Registered: April 12, 2010Reply With QuoteReport This Post
DRR S/Pro
Picture of "The Bender"
posted Hide Post
Just the rear, since the front of the engine was going lower they were able to use the front one over.....


272" Spitzer
540 Chevy
The Blower Shop XR1
FTI XPM Series Converter
FTI Level 6 Powerglide
3.69@199
.916 60'

2017 Bradenton Heads Up Madness
Open Outlaw Champ

2018 PDRA T/D #5
2019 PDRA T/D #2

2020 Retired From T/D Competition....

2020 Bradenton NMCA Hemi Shootout Winner

2021 getting back into bracket racing........
 
Posts: 2986 | Location: Yes | Registered: July 08, 2009Reply With QuoteReport This Post
DRR Trophy
posted Hide Post
quote:
Originally posted by "The Bender":
Just the rear, since the front of the engine was going lower they were able to use the front one over.....
Thanks... I like learning about this kind of stuff.
 
Posts: 99 | Location: Work | Registered: April 12, 2010Reply With QuoteReport This Post
DRR Pro
posted Hide Post
dont forget the shifter cable bender Eek
 
Posts: 1404 | Location: united states | Registered: January 16, 2006Reply With QuoteReport This Post
DRR S/Pro
Picture of "The Bender"
posted Hide Post
quote:
Originally posted by jenavet:
dont forget the shifter cable bender Eek


Oh yeah! Didn't think of that


272" Spitzer
540 Chevy
The Blower Shop XR1
FTI XPM Series Converter
FTI Level 6 Powerglide
3.69@199
.916 60'

2017 Bradenton Heads Up Madness
Open Outlaw Champ

2018 PDRA T/D #5
2019 PDRA T/D #2

2020 Retired From T/D Competition....

2020 Bradenton NMCA Hemi Shootout Winner

2021 getting back into bracket racing........
 
Posts: 2986 | Location: Yes | Registered: July 08, 2009Reply With QuoteReport This Post



DRR Pro
Picture of 67TSCHEVY2
posted Hide Post
Bender have you ever seen a hardtail with adjustable height saddle mounts ? Pretty cool ....
 
Posts: 1142 | Location: middle georgia | Registered: July 20, 2003Reply With QuoteReport This Post
DRR S/Pro
Picture of "The Bender"
posted Hide Post
I can't say that I have


272" Spitzer
540 Chevy
The Blower Shop XR1
FTI XPM Series Converter
FTI Level 6 Powerglide
3.69@199
.916 60'

2017 Bradenton Heads Up Madness
Open Outlaw Champ

2018 PDRA T/D #5
2019 PDRA T/D #2

2020 Retired From T/D Competition....

2020 Bradenton NMCA Hemi Shootout Winner

2021 getting back into bracket racing........
 
Posts: 2986 | Location: Yes | Registered: July 08, 2009Reply With QuoteReport This Post
DRR All Star
posted Hide Post
quote:
Originally posted by 68TSCAMARO:
Bender have you ever seen a hardtail with adjustable height saddle mounts ? Pretty cool ....


Picture?


Foxtrot Juliet Bravo
 
Posts: 5964 | Location: Illinois | Registered: July 08, 2004Reply With QuoteReport This Post
DRR Trophy
posted Hide Post
They are just like regular saddle except the "tab" that the motor plate bolts to is on a jack screw affair to raise and lower the "tab" to raise and lower the front of the motor to take bite away or add it.
Super popular on the comp eliminator hard tail dragsters.
Spitzer has built a bunch of them.
Hell we run our comp car -1.5 down in the front to try to take the wheel stands away
 
Posts: 36 | Location: BROKEN ARROW OK | Registered: March 16, 2004Reply With QuoteReport This Post
DRR All Star
posted Hide Post
quote:
Originally posted by MOPDRAGSTER:
They are just like regular saddle except the "tab" that the motor plate bolts to is on a jack screw affair to raise and lower the "tab" to raise and lower the front of the motor to take bite away or add it.
Super popular on the comp eliminator hard tail dragsters.
Spitzer has built a bunch of them.
Hell we run our comp car -1.5 down in the front to try to take the wheel stands away


Neato!


Foxtrot Juliet Bravo
 
Posts: 5964 | Location: Illinois | Registered: July 08, 2004Reply With QuoteReport This Post
DRR S/Pro
Picture of "The Bender"
posted Hide Post
quote:
Originally posted by MOPDRAGSTER:
They are just like regular saddle except the "tab" that the motor plate bolts to is on a jack screw affair to raise and lower the "tab" to raise and lower the front of the motor to take bite away or add it.
Super popular on the comp eliminator hard tail dragsters.
Spitzer has built a bunch of them.
Hell we run our comp car -1.5 down in the front to try to take the wheel stands away


What about the midplate? Do you have to put spacers in it for the angle change? Are the mounts adjustable too?


272" Spitzer
540 Chevy
The Blower Shop XR1
FTI XPM Series Converter
FTI Level 6 Powerglide
3.69@199
.916 60'

2017 Bradenton Heads Up Madness
Open Outlaw Champ

2018 PDRA T/D #5
2019 PDRA T/D #2

2020 Retired From T/D Competition....

2020 Bradenton NMCA Hemi Shootout Winner

2021 getting back into bracket racing........
 
Posts: 2986 | Location: Yes | Registered: July 08, 2009Reply With QuoteReport This Post
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