|
Shift 727 into neutral or leave in third after 1/4 mile pass
#2144322
08/31/16 01:03 AM
08/31/16 01:03 AM
|
Joined: Dec 2013
Posts: 4,684
Wichita
GY3
OP
master
|
OP
master
Joined: Dec 2013
Posts: 4,684
Wichita
|
Any harm to clicking it to neutral?
My valve body is a Cheetah manual fwd. pattern with LBA.
'63 Dodge 330
11.19 @ 121 mph
Pump gas, n/a, through the mufflers on street tires with 3.54's. 3,600 lbs.
10.01 @ 133mph with a 250 shot of nitrous an a splash of race gas. 1.36 60 ft. 3,700 lbs.
|
|
|
Re: Shift 727 into neutral or leave in third after 1/4 mile pass
[Re: GY3]
#2144356
08/31/16 02:24 AM
08/31/16 02:24 AM
|
Joined: Jan 2003
Posts: 27,421
Balt. Md
383man
Too Many Posts
|
Too Many Posts
Joined: Jan 2003
Posts: 27,421
Balt. Md
|
I leave mine in third but thats because it is a reverse manual valve body and I would have to push the shifter back through second and first which I wont do. It should be no problem with yours. I know when I raced my 4-speed years years ago the first thing I did after passing the finish line was push in the clutch and put it in neutral. Ron
Last edited by 383man; 08/31/16 02:25 AM.
|
|
|
Re: Shift 727 into neutral or leave in third after 1/4 mile pass
[Re: GY3]
#2144377
08/31/16 03:38 AM
08/31/16 03:38 AM
|
Joined: Dec 2005
Posts: 11,608
Fulton County, PA
CMcAllister
Mr. Helpful
|
Mr. Helpful
Joined: Dec 2005
Posts: 11,608
Fulton County, PA
|
Some valve body builders say you can, some say you can't. Don't know the answer on the particular piece. I would call Turbo Action and ask them. A reverse valve body with a clean neutral and a PPP shifter allows what you are looking for. I've always favored getting the trans into neutral if it can be done safely.
If the results don't match the theory, change the theory.
|
|
|
Re: Shift 727 into neutral or leave in third after 1/4 mile pass
[Re: GY3]
#2144446
08/31/16 10:45 AM
08/31/16 10:45 AM
|
Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY
Master
|
Master
Joined: Jun 2003
Posts: 52,972
Romeo MI
|
Most guys that run alum rods go to neutral to save life on the rods... if you want its no problem... I used the engine to slow mine down until the conv disengages.. but I had a reverse pattern 
|
|
|
Re: Shift 727 into neutral or leave in third after 1/4 mile pass
[Re: GY3]
#2144496
08/31/16 11:48 AM
08/31/16 11:48 AM
|
Joined: Jan 2003
Posts: 8,028
Tulsa OK
Bad340fish
master
|
master
Joined: Jan 2003
Posts: 8,028
Tulsa OK
|
We have a super long uphill shutdown here. I roll off the throttle and leave it in gear. Willwood wants good money for brake pads so I use the entire shutdown lol.
I agree with SportF, how many top end accidents are caused by messing up the shift to neutral?
68 Barracuda Formula S 340
|
|
|
Re: Shift 727 into neutral or leave in third after 1/4 mile pass
[Re: Bad340fish]
#2144504
08/31/16 12:00 PM
08/31/16 12:00 PM
|
Joined: Dec 2013
Posts: 4,684
Wichita
GY3
OP
master
|
OP
master
Joined: Dec 2013
Posts: 4,684
Wichita
|
We have a super long uphill shutdown here. I roll off the throttle and leave it in gear. Willwood wants good money for brake pads so I use the entire shutdown lol.
I agree with SportF, how many top end accidents are caused by messing up the shift to neutral? I always use the second turnoff and apply and release the brakes a couple of times (comes from running drum brakes and preventing fade!) I try to be easy on equipment and engine braking does help me slow down. I have reverse lockout as well so their is no chance of "Messing up the shift to neutral."
'63 Dodge 330
11.19 @ 121 mph
Pump gas, n/a, through the mufflers on street tires with 3.54's. 3,600 lbs.
10.01 @ 133mph with a 250 shot of nitrous an a splash of race gas. 1.36 60 ft. 3,700 lbs.
|
|
|
Re: Shift 727 into neutral or leave in third after 1/4 mile pass
[Re: GY3]
#2144509
08/31/16 12:10 PM
08/31/16 12:10 PM
|
Joined: Jan 2003
Posts: 13,369
Marion, South Carolina [><]
an8sec70cuda
I Live Here
|
I Live Here
Joined: Jan 2003
Posts: 13,369
Marion, South Carolina [><]
|
I NEED engine braking to slow my sled down!
CHIP
'70 hemicuda, 575" Hemi, 727, Dana 60
'69 road runner, 440-6, 18 spline 4 speed, Dana 60
'71 Demon, 340, low gear 904, 8.75
'73 Chrysler New Yorker, 440, 727, 8.75
'90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt
'06 GMC 2500HD LBZ Duramax
|
|
|
Re: Shift 727 into neutral or leave in third after 1/4 mile pass
[Re: Cab_Burge]
#2144542
08/31/16 01:27 PM
08/31/16 01:27 PM
|
Joined: Aug 2006
Posts: 290
Cincinnati, Ohio
d7cook
enthusiast
|
enthusiast
Joined: Aug 2006
Posts: 290
Cincinnati, Ohio
|
Leave it in gear   The Chebby guys will tell you to ALWAYS put into nuetral after you let off at the end of the race, which is a bunch of hooey  At least with a TH400 you have to have a clean neutral VB or you risk over revving and exploding the direct drum I believe.
1967 Coronet, 1989 Daytona tube chassis.
Former cars, 66 Charger, 67 R/T, 69 Coronet, 67 Dart GT.
-Banned for life from V8Buick.com-
|
|
|
Re: Shift 727 into neutral or leave in third after 1/4 mile pass
[Re: GY3]
#2144574
08/31/16 02:42 PM
08/31/16 02:42 PM
|
Joined: Jan 2003
Posts: 1,237
North Central, Indiana
Roughbird72
pro stock
|
pro stock
Joined: Jan 2003
Posts: 1,237
North Central, Indiana
|
I leave mine in 3rd.
Years ago I saw a car come back in parts because the driver found reverse after the lights.
72 Plymouth Roadrunner 11.08@123.25
|
|
|
Re: Shift 727 into neutral or leave in third after 1/4 mile pass
[Re: Monte_Smith]
#2144580
08/31/16 02:50 PM
08/31/16 02:50 PM
|
Joined: Aug 2003
Posts: 43,223
Bend,OR USA
Cab_Burge
I Win
|
I Win
Joined: Aug 2003
Posts: 43,223
Bend,OR USA
|
Many different reasons for my preferences, one is sticking the shifter into reverse at 117 MPH ONCE in a 1968 Hemi GTX  Another is LBA reverse maual V.B. The rod to stroke ratio on Chebbys compared to Mopars and several other reason  Saving The older aluminum rods by reducing the RPM at the end of the run was the main reasons most drag racers like to push the clutch in or stick it into nuetral  I've never owned or race a aluminum rod motor Maybe some day
Last edited by Cab_Burge; 08/31/16 02:52 PM.
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
|
|
|
Re: Shift 727 into neutral or leave in third after 1/4 mile pass
[Re: GY3]
#2144603
08/31/16 03:14 PM
08/31/16 03:14 PM
|
Joined: Nov 2004
Posts: 6,890
North Alabama
Monte_Smith
master
|
master
Joined: Nov 2004
Posts: 6,890
North Alabama
|
Huh, some interesting comments and thoughts, but few of them based on fact. First, the reason some valve bodies have a "clean" neutral is because they are reverse pattern. So to be able to neutral the car and not go back through the gears, the "clean" spot is added. Has nothing to do with other things applied for drum speeds of whatever.
You find reverse in the lights?.........why don't you have a shifter with a reverse lockout.
You need engine braking to stop at your track........use that pack thing you have mounted on the deck lid.
Engine braking is uneeded wear and tear on the motor. You'd rather do that as buy brake pads, that's fine.
If possible in the car I am driving, it gets put in neutral and the motor killed at the stripe on every pass. Coast to a stop, gather the chute if used, take my gear off. Then fire motor and drive back, or wait for tow vehicle depending on type car
|
|
|
Re: Shift 727 into neutral or leave in third after 1/4 mile pass
[Re: Monte_Smith]
#2144616
08/31/16 03:27 PM
08/31/16 03:27 PM
|
Joined: Aug 2003
Posts: 43,223
Bend,OR USA
Cab_Burge
I Win
|
I Win
Joined: Aug 2003
Posts: 43,223
Bend,OR USA
|
None of the Stockers or bracket cars I had or drove needed chutes to stop As far as that stocker it had the stock console floor shifter with a manual reverse valve body(no clean nuetral valve bodys invented back then ) I shifted it back into 2nd once the motor started to rev up and started to bounce the rear tires so I pulled it back into 2nd gear and then put it back into 3rd gear, I never did that again in that car Marv Ripes put a LBA manual reverse valve body in my old stocker 1963 M.W. push button tranny, I didn't know he had done that and it would try to grab 1st gear when putting the car into nuetral at the end of the runs  I was at the March meet when that happened the first time and managed to call his shop and ask what the heck was going on, they explain the new reverse LBA V.B.theory and said to not do that I stop doing that and have ever since 
Last edited by Cab_Burge; 08/31/16 03:29 PM.
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
|
|
|
Re: Shift 727 into neutral or leave in third after 1/4 mile pass
[Re: Monte_Smith]
#2144660
08/31/16 04:29 PM
08/31/16 04:29 PM
|
Joined: Jan 2003
Posts: 24,562
Brookeville, Md
Mr.Yuck
Not enough dumb comments...yet
|
Not enough dumb comments...yet
Joined: Jan 2003
Posts: 24,562
Brookeville, Md
|
Huh, some interesting comments and thoughts, but few of them based on fact. First, the reason some valve bodies have a "clean" neutral is because they are reverse pattern. So to be able to neutral the car and not go back through the gears, the "clean" spot is added. Has nothing to do with other things applied for drum speeds of whatever.
You find reverse in the lights?.........why don't you have a shifter with a reverse lockout.
You need engine braking to stop at your track........use that pack thing you have mounted on the deck lid.
Engine braking is uneeded wear and tear on the motor. You'd rather do that as buy brake pads, that's fine.
If possible in the car I am driving, it gets put in neutral and the motor killed at the stripe on every pass. Coast to a stop, gather the chute if used, take my gear off. Then fire motor and drive back, or wait for tow vehicle depending on type car some of us don't have cars anywhere near fast enough for a chute...lol
|
|
|
|
|
