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8" converter on the street??? #2270491
03/16/17 12:45 PM
03/16/17 12:45 PM
Joined: May 2008
Posts: 984
San Diego CA
6
65 Hemi Offline OP
super stock
65 Hemi  Offline OP
super stock
6

Joined: May 2008
Posts: 984
San Diego CA
Who runs a 8" converter on the street and drives 50-80 mile trips???


Doug

MOPAR or NO CAR!!!
1965 Dodge Coronet soon a 6.1 Hemi with a Magnson blower 810 hp on pump gas
1964 Dodge Polara 582" Indy alum Block 426-1RA heads,
1933 Plymouth PE all Steel, LT1 4L60E
1959 Plymouth Savoy 33,000 mile survivor
Old cars are never done. They are ongoing projects!
Re: 8" converter on the street??? [Re: 65 Hemi] #2270495
03/16/17 12:48 PM
03/16/17 12:48 PM
Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY Offline
Master
MR_P_BODY  Offline
Master

Joined: Jun 2003
Posts: 52,972
Romeo MI
I do.. 4800 stall with a 4.10 gear and OD
wave

Re: 8" converter on the street??? [Re: 65 Hemi] #2270500
03/16/17 12:58 PM
03/16/17 12:58 PM
Joined: Oct 2010
Posts: 2,408
Ambridge, Pa.
R
rickraw Offline
top fuel
rickraw  Offline
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R

Joined: Oct 2010
Posts: 2,408
Ambridge, Pa.
I have, 5000 stall. Better have a good trans cooler. Highest sump temp in traffic was 210. Driving down the highway 190.

Re: 8" converter on the street??? [Re: 65 Hemi] #2270502
03/16/17 01:06 PM
03/16/17 01:06 PM
Joined: Jan 2003
Posts: 13,368
Marion, South Carolina [><]
an8sec70cuda Offline
I Live Here
an8sec70cuda  Offline
I Live Here

Joined: Jan 2003
Posts: 13,368
Marion, South Carolina [><]
As long as you buy a good quality converter, you won't have any issues at all. I've been running a 9" 5,000 stall on the street since 2003 w/ no trouble at all. Never had a combo that could use an 8".


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: 8" converter on the street??? [Re: 65 Hemi] #2270506
03/16/17 01:11 PM
03/16/17 01:11 PM
Joined: Jul 2004
Posts: 19,317
State of confusion
T
Thumperdart Offline
I Live Here
Thumperdart  Offline
I Live Here
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Joined: Jul 2004
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State of confusion
15+ years so far and never even freshened or adjusted.............CONTINENTAL 5500+...........

Last edited by Thumperdart; 03/16/17 01:12 PM.

72 Dart 470 n/a BB stroker street car `THUMPER`...Check me out on FB Dominic Thumper for videos and lots of carb pics......760-900-3895.....
Re: 8" converter on the street??? [Re: 65 Hemi] #2270510
03/16/17 01:16 PM
03/16/17 01:16 PM
Joined: Sep 2014
Posts: 181
Maryland
T
twayne24365 Offline
member
twayne24365  Offline
member
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Joined: Sep 2014
Posts: 181
Maryland
had an 8" ATI converter 5yrs now, mostly street miles with a trip to the track now and then

Re: 8" converter on the street??? [Re: Thumperdart] #2270514
03/16/17 01:26 PM
03/16/17 01:26 PM
Joined: May 2005
Posts: 1,030
ohio
6
67mprfan Offline
super stock
67mprfan  Offline
super stock
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Joined: May 2005
Posts: 1,030
ohio
Originally Posted By Thumperdart
15+ years so far and never even freshened or adjusted.............CONTINENTAL 5500+...........



Just saying that might be the 5.9x your looking for


71 demon stock stroke 440/indy ez-1 running 10.10 @ 132.14 mph in the 1/4 and 6.36 @ 107.46 mph in the 1/8 not in the same weekend but It did it then I sold it.
67 Belvedere that worked it's way in the 10's
Re: 8" converter on the street??? [Re: 67mprfan] #2270526
03/16/17 01:52 PM
03/16/17 01:52 PM
Joined: Jul 2004
Posts: 19,317
State of confusion
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Thumperdart Offline
I Live Here
Thumperdart  Offline
I Live Here
T

Joined: Jul 2004
Posts: 19,317
State of confusion
Very possible and we'll see soon enuff but not tonight as planned cos my scoop hasn't arrived yet and as soon as she feels good, off to the track............ thumbs


72 Dart 470 n/a BB stroker street car `THUMPER`...Check me out on FB Dominic Thumper for videos and lots of carb pics......760-900-3895.....
Re: 8" converter on the street??? [Re: 65 Hemi] #2270550
03/16/17 02:28 PM
03/16/17 02:28 PM
Joined: May 2008
Posts: 984
San Diego CA
6
65 Hemi Offline OP
super stock
65 Hemi  Offline OP
super stock
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Joined: May 2008
Posts: 984
San Diego CA
Thanks for all the input. I have run an 8" for a few years but never drove the car more than 25 miles before stopping for a few hrs. Now I want to go 50-60 miles.👍🏻👍🏻👍🏻


Doug

MOPAR or NO CAR!!!
1965 Dodge Coronet soon a 6.1 Hemi with a Magnson blower 810 hp on pump gas
1964 Dodge Polara 582" Indy alum Block 426-1RA heads,
1933 Plymouth PE all Steel, LT1 4L60E
1959 Plymouth Savoy 33,000 mile survivor
Old cars are never done. They are ongoing projects!
Re: 8" converter on the street??? [Re: 65 Hemi] #2270554
03/16/17 02:31 PM
03/16/17 02:31 PM
Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY Offline
Master
MR_P_BODY  Offline
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Joined: Jun 2003
Posts: 52,972
Romeo MI
Just have a good cooler.. you might want
to run a temp gauge on the trans so you
cant watch the temp for a while
wave

Re: 8" converter on the street??? [Re: 65 Hemi] #2270567
03/16/17 02:57 PM
03/16/17 02:57 PM
Joined: Jan 2003
Posts: 6,392
nielsville, minn.
Q
quickd100 Offline
master
quickd100  Offline
master
Q

Joined: Jan 2003
Posts: 6,392
nielsville, minn.
I ran an 8" TA for a couple years on the street that stalled 6200rpm. Run a good cooler as Mike said.Dave

Re: 8" converter on the street??? [Re: 65 Hemi] #2270580
03/16/17 03:26 PM
03/16/17 03:26 PM
Joined: Jan 2008
Posts: 4,255
Canada
WO23Coronet Offline
master
WO23Coronet  Offline
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Posts: 4,255
Canada
If you can make it 25 miles without overhearing the tranny I'd say you're good for the 50-60 your after now

Re: 8" converter on the street??? [Re: 65 Hemi] #2270583
03/16/17 03:29 PM
03/16/17 03:29 PM
Joined: Jan 2008
Posts: 2,363
Cotati, CA
Dave Hall Offline
top fuel
Dave Hall  Offline
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Posts: 2,363
Cotati, CA
I have a Hughes 8" in my BB Dart Sport. It only goes about 4,200 behind this low power thing but it's a lot of fun! Went to 5,900 behind the 493 in my Challenger. Hughes said that's as tight as it goes. Seems to be fine cruising at 23-25 hun rpm. It doesn't like the hills much and you have to get the rpm over 3,000. Just getting into it without tipping the secondary it pulls hard and only goes up to about 3,400 with a 3.23 gear. No trans. cooler.

Re: 8" converter on the street??? [Re: Dave Hall] #2270614
03/16/17 04:26 PM
03/16/17 04:26 PM
Joined: Aug 2003
Posts: 43,207
Bend,OR USA
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Cab_Burge Offline
I Win
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Joined: Aug 2003
Posts: 43,207
Bend,OR USA
I've ran several different 8 and 9 inch good brand converters on the street with no issues at light throttle crusing thumbs
They will break away and rev up under harder throttle action but seem to stay lock up at light throttle very well thumbs
I have had two bad 8 inch converters, a older (1975 era) Art Carr and a GER realcrazy Neither one of them was worth owning down


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: 8" converter on the street??? [Re: 65 Hemi] #2270864
03/16/17 11:20 PM
03/16/17 11:20 PM
Joined: Jan 2003
Posts: 8,028
Tulsa OK
Bad340fish Offline
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Bad340fish  Offline
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Tulsa OK
I have an 8" Turbo Action 4500 converter in my car. It has seen 5 drag weeks and is about 16 years old. I do not run a temp gauge, and going down the highway on drag week the car is about 4100lbs with two occupants and cargo. I haven't changed the fluid in a very very long time and it still looks and smells fine. I am sure it could use a freshen up soon because it does drain back when the car sits for a week or so but it is still performing well, I got a new best 60ft last weekend.

There is guys on drag week that run 6000+RPM converters and pull a trailer. I worry about mine a lot less after seeing some of that going on.


68 Barracuda Formula S 340
Re: 8" converter on the street??? [Re: 65 Hemi] #2270883
03/16/17 11:50 PM
03/16/17 11:50 PM
Joined: Apr 2007
Posts: 2,026
Trumbull,CT.
J
jim sciortino Offline
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jim sciortino  Offline
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Joined: Apr 2007
Posts: 2,026
Trumbull,CT.
8" 7200 from Lenny at Ultimate in my Dart. 2.10 Turbo 400, 5.14 rear gear, with a 104 rollout tire. About 2580# with driver, in street trim.

30mi drives have been no issue.

Re: 8" converter on the street??? [Re: 65 Hemi] #2270972
03/17/17 03:04 AM
03/17/17 03:04 AM
Joined: Oct 2008
Posts: 506
Utah, USA
1
1964superstock Offline
mopar
1964superstock  Offline
mopar
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Joined: Oct 2008
Posts: 506
Utah, USA
Buy a good 8 inch, you will be glad you did. I have a "tight" 8" 4800 stall A-1 converter that Dave Smith from Pro Trans spec'd out for me with A-1. Absolutely love it, drives like a modern car at part throttle (no noticeable slip or slushy feel), then when you punch it, the engine immediately flashes right to 4800 rpm, and your moving! smile It was not cheap, but works beautifully. I have the biggest B&M trans cooler you can get. I remember Dave telling me it is a bunch of BS that people think you can't run a 8 inch converter on the street. His answer was, do you want a fast car or not? If you do, run a 8 inch and be done with it. A tight 8 inch is much more efficient than a loose 9.5 inch. My combo: 4:10 Dana 60, full manual pro trans 727, 505 max wedge stroker, 620 HP, 620 tq, 4000 lbs with driver. All street driving so far, very fun.

Re: 8" converter on the street??? [Re: 65 Hemi] #2270989
03/17/17 04:15 AM
03/17/17 04:15 AM
Joined: Jan 2008
Posts: 2,363
Cotati, CA
Dave Hall Offline
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Dave Hall  Offline
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Posts: 2,363
Cotati, CA
I drove mine for about a 25 mile jaunt again tonight and the slip isn't as bad as I thought. I am always just too much on the throttle. It will actually go up hills pretty good under 3,000. I just have to remember to get it in third and drive normally. It's a fast car for what it is and I enjoy the heck out of it! This car will fry the tires at will and will rev to 7,000 no problem.

Re: 8" converter on the street??? [Re: 65 Hemi] #2271040
03/17/17 10:27 AM
03/17/17 10:27 AM
Joined: Feb 2006
Posts: 784
Liverpool, NY
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SILVER67 Offline
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SILVER67  Offline
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Joined: Feb 2006
Posts: 784
Liverpool, NY
Have an 8" Dynamic behind my 505.
3.54 gear
B&M 11 x 11 x 1-1/2 tranny cooler mounted in front of the radiator. 3/8" line in and out.

About 400-500 miles last year.

Highway with 3.54, 28" tire is:
3,200 = 67-68 mph
3,300 = 69-70 mph

Would I drive it to California from NY...probably not.

Would I drive it to work, the gym, afternoon cruise..... sure do.

I notice it will wind out more than my 9-1/2 from a dead stop and hills on the highway, I attribute some of that to the weight of the car and the 3.5 gear.....but flat or mild inclines are fine.

Re: 8" converter on the street??? [Re: SILVER67] #2271173
03/17/17 02:31 PM
03/17/17 02:31 PM
Joined: Jan 2003
Posts: 15,439
Val-haul-ass... eventually
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BradH Offline
Taking time off to work on my car
BradH  Offline
Taking time off to work on my car
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Val-haul-ass... eventually
ATI gave me the hard sell on an 8" when my junk was an 11.0 car. I didn't bite at the time, but do wonder if a GOOD one would be a better match for the way the car will be when it's back on the street & track again. My drives to the track are 60 to 100+ miles one way, not just puttin' around the local cruise-ins.

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