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Re: surprising performance increase
[Re: Sammy]
#3047349
06/02/22 11:44 AM
06/02/22 11:44 AM
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Joined: Jan 2003
Posts: 1,604
westerly, ri. usa
440lebaron
top fuel
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top fuel
Joined: Jan 2003
Posts: 1,604
westerly, ri. usa
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nice, that's a big step up , most of been something wrong with transact
all parts are sold as is, all parts are considered used no warranties or returns
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Re: surprising performance increase
[Re: 1savoyracer]
#3047363
06/02/22 12:38 PM
06/02/22 12:38 PM
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Joined: Mar 2011
Posts: 3,069
Michigan
A727Tflite
master
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master
Joined: Mar 2011
Posts: 3,069
Michigan
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in my 727 of all places.......changed out my tranzact valve body, for a Griner, from Keith Long at "727 Specialist".........No other changes to the car were made.......1/8th mile racing, i instantly picked up 2 tenths, 5 MPH, and .05 on my 60 foot........all from a valve body swap. with so many disappointments out there in the racing world, both products and people, it is really a pleasant surprise when i get something that unexpectedly worked so damn well.......so, a big thanks to Keith! Hard to believe.
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Re: surprising performance increase
[Re: 440lebaron]
#3047376
06/02/22 12:54 PM
06/02/22 12:54 PM
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Joined: Sep 2019
Posts: 28
coquille oregon
1savoyracer
OP
member
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OP
member
Joined: Sep 2019
Posts: 28
coquille oregon
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nice, that's a big step up , most of been something wrong with transact
possible, it was that way from day one
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Re: surprising performance increase
[Re: 727specialist]
#3047435
06/02/22 04:13 PM
06/02/22 04:13 PM
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Joined: Jan 2005
Posts: 12,419
Kalispell Mt.
HotRodDave
I Live Here
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I Live Here
Joined: Jan 2005
Posts: 12,419
Kalispell Mt.
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how could it improve the 60ft? unless he is out of 1st gear by then... not releasing as quickly whatever element is holding it locked or the only other thing I could imagine would be if it was letting a little fluid into 2nd servo or 3rd gear clutch pack causing some bit of fluid drag on the frictions yet not enough to engage and burn a clutch or band?
I am not causing global warming, I am just trying to hold off a impending Ice Age!
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Re: surprising performance increase
[Re: HotRodDave]
#3047450
06/02/22 05:56 PM
06/02/22 05:56 PM
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Joined: Jan 2003
Posts: 8,021
Tulsa OK
Bad340fish
master
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master
Joined: Jan 2003
Posts: 8,021
Tulsa OK
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how could it improve the 60ft? unless he is out of 1st gear by then... not releasing as quickly whatever element is holding it locked or the only other thing I could imagine would be if it was letting a little fluid into 2nd servo or 3rd gear clutch pack causing some bit of fluid drag on the frictions yet not enough to engage and burn a clutch or band? I believe converter charge pressure can effect a lot of things.
68 Barracuda Formula S 340
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Re: surprising performance increase
[Re: 727specialist]
#3047495
06/02/22 08:33 PM
06/02/22 08:33 PM
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Joined: Mar 2011
Posts: 3,069
Michigan
A727Tflite
master
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master
Joined: Mar 2011
Posts: 3,069
Michigan
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The trans is in first and reverse when the brake is on. The high gear clutches have to release quickly. If they don't that can affect the 60 ft. Keith Correct. And how does one release the front clutch quicker through the valve body?
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Re: surprising performance increase
[Re: A727Tflite]
#3047499
06/02/22 08:40 PM
06/02/22 08:40 PM
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Joined: Jan 2003
Posts: 11,709
Portage,michigan
B3422W5
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 11,709
Portage,michigan
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Curious if footbraking a trans with a brake would make the car slower than with a foot brake valve body
Several years ago I swapped out a 727 with T/A reverse manual valve body, swapped in a 904 with a brake valve body( A&A) which I have always footbraked, car actually slowed down 7 or 8 instead of picking up a tenth or so I expected. I don’t think the convertor is off, in fact I feel it’s more “ right” than the one that was in it when I bought the car.
69 Dart GTS A4 Silver All steel, flat factory hood, 3360race weight
418 BPE factory replacement headed stroker, 565 lift solid cam
Best so far, 10.40 @127 1/4
1.41 best 60 foot
6.60 at 103.90 1/8
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Re: surprising performance increase
[Re: A727Tflite]
#3047522
06/02/22 09:53 PM
06/02/22 09:53 PM
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Joined: Nov 2003
Posts: 377
NW Indiana USA
727specialist
enthusiast
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enthusiast
Joined: Nov 2003
Posts: 377
NW Indiana USA
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The trans is in first and reverse when the brake is on. The high gear clutches have to release quickly. If they don't that can affect the 60 ft. Keith Correct. And how does one release the front clutch quicker through the valve body? The Griner valve body dumps the pressure through the solenoid and the hole drilled in the high gear drum. Keith
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Re: surprising performance increase
[Re: B3422W5]
#3047527
06/02/22 10:18 PM
06/02/22 10:18 PM
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Joined: Nov 2003
Posts: 377
NW Indiana USA
727specialist
enthusiast
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enthusiast
Joined: Nov 2003
Posts: 377
NW Indiana USA
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Curious if footbraking a trans with a brake would make the car slower than with a foot brake valve body
Several years ago I swapped out a 727 with T/A reverse manual valve body, swapped in a 904 with a brake valve body( A&A) which I have always footbraked, car actually slowed down 7 or 8 instead of picking up a tenth or so I expected. I don’t think the convertor is off, in fact I feel it’s more “ right” than the one that was in it when I bought the car. Not with a Griner. You should have picked up a couple of tenths just by switching the 727 to a 904 Keith
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Re: surprising performance increase
[Re: 727specialist]
#3047562
06/03/22 06:25 AM
06/03/22 06:25 AM
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Joined: Jan 2003
Posts: 11,709
Portage,michigan
B3422W5
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 11,709
Portage,michigan
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Curious if footbraking a trans with a brake would make the car slower than with a foot brake valve body
Several years ago I swapped out a 727 with T/A reverse manual valve body, swapped in a 904 with a brake valve body( A&A) which I have always footbraked, car actually slowed down 7 or 8 instead of picking up a tenth or so I expected. I don’t think the convertor is off, in fact I feel it’s more “ right” than the one that was in it when I bought the car. Not with a Griner. You should have picked up a couple of tenths just by switching the 727 to a 904 Keith I agree
69 Dart GTS A4 Silver All steel, flat factory hood, 3360race weight
418 BPE factory replacement headed stroker, 565 lift solid cam
Best so far, 10.40 @127 1/4
1.41 best 60 foot
6.60 at 103.90 1/8
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Re: surprising performance increase
[Re: B3422W5]
#3047567
06/03/22 07:10 AM
06/03/22 07:10 AM
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Joined: Jan 2003
Posts: 5,894
Florida
Locomotion
master
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master
Joined: Jan 2003
Posts: 5,894
Florida
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Curious if footbraking a trans with a brake would make the car slower than with a foot brake valve body
Several years ago I swapped out a 727 with T/A reverse manual valve body, swapped in a 904 with a brake valve body( A&A) which I have always footbraked, car actually slowed down 7 or 8 instead of picking up a tenth or so I expected. I don’t think the convertor is off, in fact I feel it’s more “ right” than the one that was in it when I bought the car. It's my understanding that trans-brake combos need to operate at higher pressures than footbrake combos. the extra pressure can increase drag on the pump and slow ET's footbraking.
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Re: surprising performance increase
[Re: 727specialist]
#3047568
06/03/22 07:16 AM
06/03/22 07:16 AM
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Joined: Mar 2011
Posts: 3,069
Michigan
A727Tflite
master
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master
Joined: Mar 2011
Posts: 3,069
Michigan
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The trans is in first and reverse when the brake is on. The high gear clutches have to release quickly. If they don't that can affect the 60 ft. Keith Correct. And how does one release the front clutch quicker through the valve body? The Griner valve body dumps the pressure through the solenoid and the hole drilled in the high gear drum. Keith I was under the assumption the others released the same way. Without changing the reaction shaft support which is a fixed restriction in the system I was wondering how the valve body can release the front clutch faster. Anyways, no need to reply, not here to pick at your product, I heard it’s a good one. Just that two tenths is pretty amazing.
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