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'67 GTX goes 9.56 @ 137 #3077541
09/15/22 02:46 PM
09/15/22 02:46 PM
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Oregon
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AndyF Offline OP
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Member here who purchased the 514 inch long block from me a couple of years back. He has his GTX running pretty good. It weighs 3700 lbs and he is limited to a 9 inch tire with the stock wheel wells but it still hooks pretty well. Short video that he sent me: https://youtube.com/shorts/7lLE6i6TLrA

Re: '67 GTX goes 9.56 @ 137 [Re: AndyF] #3077544
09/15/22 02:49 PM
09/15/22 02:49 PM
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Keymar, MD
DusterKid Offline
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That's moving. I forget but how much HP did the 514 make on the dyno when you had it?

Re: '67 GTX goes 9.56 @ 137 [Re: DusterKid] #3077546
09/15/22 03:03 PM
09/15/22 03:03 PM
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MN
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MN
FRAN.


69 GTX 68 Road Runner
Re: '67 GTX goes 9.56 @ 137 [Re: DusterKid] #3077548
09/15/22 03:08 PM
09/15/22 03:08 PM
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Oregon
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AndyF Offline OP
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It made 900 hp on the best pulls but that was with a dry sump and Q race gas as well as a ported Wilson intake. Fran only bought the long block from me so he has different intake, carb, oil pan and headers.

Re: '67 GTX goes 9.56 @ 137 [Re: AndyF] #3077554
09/15/22 03:25 PM
09/15/22 03:25 PM
Joined: May 2003
Posts: 2,117
Cleveland Ohio
10secGTX Offline
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Thanks Andy .... its been a while MOPARTS, but I'm usually on this forum 3x a week still learning from you all. This has been a fun learning experience and what a great engine to be working with, if i could afford it, I would send back to you for a refresh. LOL

me 2021 (2).jpg
Re: '67 GTX goes 9.56 @ 137 [Re: 10secGTX] #3077563
09/15/22 04:06 PM
09/15/22 04:06 PM
Joined: Jan 2003
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Marion, South Carolina [><]
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Nice, lookin good Fran!


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: '67 GTX goes 9.56 @ 137 [Re: an8sec70cuda] #3077571
09/15/22 05:00 PM
09/15/22 05:00 PM
Joined: Dec 2013
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Wichita
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Stout!


'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: '67 GTX goes 9.56 @ 137 [Re: GY3] #3077573
09/15/22 05:09 PM
09/15/22 05:09 PM
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Posts: 19,304
Las Vegas
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Las Vegas
Shes working pretty good as the MPH shows less power than the ET does. Signs of a good working combo...


"I am not ashamed to confess I am ignorant of what I do not know."

"It's never wrong to do the right thing"
Re: '67 GTX goes 9.56 @ 137 [Re: Al_Alguire] #3077574
09/15/22 05:28 PM
09/15/22 05:28 PM
Joined: Mar 2006
Posts: 9,791
MI, usa
dvw Online content
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This car in person is a very nice piece.
Doug

Re: '67 GTX goes 9.56 @ 137 [Re: Al_Alguire] #3077576
09/15/22 05:32 PM
09/15/22 05:32 PM
Joined: Jan 2003
Posts: 30,945
Oregon
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AndyF Offline OP
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Originally Posted by Al_Alguire
Shes working pretty good as the MPH shows less power than the ET does. Signs of a good working combo...


I think that might be because he has 4.30 gears and it is laying over in the lights since it is past the power peak. Just my guess. He is going to swap over to 3.90 gears to see what happens.

Re: '67 GTX goes 9.56 @ 137 [Re: AndyF] #3077582
09/15/22 05:47 PM
09/15/22 05:47 PM
Joined: May 2003
Posts: 2,117
Cleveland Ohio
10secGTX Offline
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Originally Posted by AndyF
Originally Posted by Al_Alguire
Shes working pretty good as the MPH shows less power than the ET does. Signs of a good working combo...


I think that might be because he has 4.30 gears and it is laying over in the lights since it is past the power peak. Just my guess. He is going to swap over to 3.90 gears to see what happens.


Any thoughts on this ... 3.90 gears vs 4.10 I have both sets ..

Re: '67 GTX goes 9.56 @ 137 [Re: 10secGTX] #3077585
09/15/22 05:55 PM
09/15/22 05:55 PM
Joined: Jan 2022
Posts: 132
Connellsville
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Connellsville
Originally Posted by 10secGTX
Originally Posted by AndyF
Originally Posted by Al_Alguire
Shes working pretty good as the MPH shows less power than the ET does. Signs of a good working combo...


I think that might be because he has 4.30 gears and it is laying over in the lights since it is past the power peak. Just my guess. He is going to swap over to 3.90 gears to see what happens.


Any thoughts on this ... 3.90 gears vs 4.10 I have both sets ..


Nice car and good pass. Gotta love old heavy Mopar B-Bodies running fast. I'd go 4.10 if it was me.

Re: '67 GTX goes 9.56 @ 137 [Re: 71Demon528] #3077598
09/15/22 06:28 PM
09/15/22 06:28 PM
Joined: Feb 2005
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PA.
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I’m just curious about how many times a year do you race 1/4 mile. That would help me make up my mind. Beautiful car and fast too.


1970 Duster
Edelbrock headed 408
5.984@112.52
422 Indy headed small block
5.982@112.56 mph
9.42@138.27

Livin and lovin life one day at a time




Re: '67 GTX goes 9.56 @ 137 [Re: 10secGTX] #3077623
09/15/22 07:14 PM
09/15/22 07:14 PM
Joined: Dec 2004
Posts: 10,549
Rittman Ohio
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Rittman Ohio
Originally Posted by 10secGTX
Originally Posted by AndyF
Originally Posted by Al_Alguire
Shes working pretty good as the MPH shows less power than the ET does. Signs of a good working combo...


I think that might be because he has 4.30 gears and it is laying over in the lights since it is past the power peak. Just my guess. He is going to swap over to 3.90 gears to see what happens.


Any thoughts on this ... 3.90 gears vs 4.10 I have both sets ..


Fran I really don't think you would see much of a difference from 4.30 to 4.10s
Car is still amazing with a full interior and a 9 inch tire. It really shows how much you work to get this car where it's at. Let me know when you want to do the gear swap you know I'm in thumbs

Nice pass dude bow it gets faster every month.

Gus beer


64 Plymouth Savoy
493 Indy EZ's by Nick at Compu-Flow
5-Speed Richmond faceplate Liberty box
Dana 60
Re: '67 GTX goes 9.56 @ 137 [Re: fourgearsavoy] #3077643
09/15/22 08:19 PM
09/15/22 08:19 PM
Joined: May 2003
Posts: 2,117
Cleveland Ohio
10secGTX Offline
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Originally Posted by fourgearsavoy
Originally Posted by 10secGTX
Originally Posted by AndyF
Originally Posted by Al_Alguire
Shes working pretty good as the MPH shows less power than the ET does. Signs of a good working combo...


I think that might be because he has 4.30 gears and it is laying over in the lights since it is past the power peak. Just my guess. He is going to swap over to 3.90 gears to see what happens.


Any thoughts on this ... 3.90 gears vs 4.10 I have both sets ..


Fran I really don't think you would see much of a difference from 4.30 to 4.10s
Car is still amazing with a full interior and a 9 inch tire. It really shows how much you work to get this car where it's at. Let me know when you want to do the gear swap you know I'm in thumbs

Nice pass dude bow it gets faster every month.

Gus beer


Thank You Gus ... to be completely honest i took the passenger seat out to get to the dash so it is minus the passenger seat. I will contact you asap GUS

Re: '67 GTX goes 9.56 @ 137 [Re: 10secGTX] #3077661
09/15/22 09:12 PM
09/15/22 09:12 PM
Joined: Mar 2003
Posts: 6,334
Heaven
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Heaven
Hookin' bookin', Fran! One of my fav's......

3.90’s....and SEND IT!


"Any fool can know. The point is to understand"

- A. Einstein
Re: '67 GTX goes 9.56 @ 137 [Re: EvilB1Dart] #3077673
09/15/22 09:24 PM
09/15/22 09:24 PM
Joined: Mar 2006
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MI, usa
dvw Online content
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Mines run 4.10 and 4.30. Very close in performance. With the 4.30 and 10.5wx31 it'll go thru about 7200-7300@148-150
Doug

Re: '67 GTX goes 9.56 @ 137 [Re: 10secGTX] #3077708
09/16/22 12:45 AM
09/16/22 12:45 AM
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Posts: 30,945
Oregon
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AndyF Offline OP
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Oregon
Originally Posted by 10secGTX
Originally Posted by AndyF
Originally Posted by Al_Alguire
Shes working pretty good as the MPH shows less power than the ET does. Signs of a good working combo...


I think that might be because he has 4.30 gears and it is laying over in the lights since it is past the power peak. Just my guess. He is going to swap over to 3.90 gears to see what happens.


Any thoughts on this ... 3.90 gears vs 4.10 I have both sets ..


My advice would be the 3.90 gears. I don't think you'll see enough difference with 4.10 gears to make it worth the time it takes to swap gears. Put the 3.90 gears in there and see what she does. I think it will pick up a little top end speed and the ET won't change much. It really depends on the torque converter. The 3.90 gears will loosen up the converter a touch which will change some things. It could make the car quicker or slower depending on how the chassis reacts. You might have to adjust the shocks or the tire pressure to keep it launching hard.

Re: '67 GTX goes 9.56 @ 137 [Re: AndyF] #3077712
09/16/22 01:35 AM
09/16/22 01:35 AM
Joined: Sep 2005
Posts: 620
Deep DEEP SOUTH
LAD 524 Offline
mopar
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Deep DEEP SOUTH
Wow great effort Fran esp on small tire, great stuff !

Re: '67 GTX goes 9.56 @ 137 [Re: 10secGTX] #3077717
09/16/22 06:09 AM
09/16/22 06:09 AM
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A shed in England
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A shed in England
Originally Posted by 10secGTX
Originally Posted by AndyF
Originally Posted by Al_Alguire
Shes working pretty good as the MPH shows less power than the ET does. Signs of a good working combo...


I think that might be because he has 4.30 gears and it is laying over in the lights since it is past the power peak. Just my guess. He is going to swap over to 3.90 gears to see what happens.


Any thoughts on this ... 3.90 gears vs 4.10 I have both sets ..


For reference we've just gone from 4:10's to 3:73's (Dana 60). So far we've lost 0.1, 1 mph in the 1/4 and 0.05 in the 60 (going off similar weather conditions). Stalls gone up 800rpm and we have 16% slip at the stripe shruggy


'74 Challenger..9.46 @ 145.9 1/4, 6.001 @ 118 1/8 so far. 4023lb !!! # N/A, Marsh performance 655ci, Indy Maxx, T/R, Indy 600-13 X's, Street legal, pump gas, full interior, Cal-Tracs, mufflers, 3:73's and real 10.5 radials.
9.51 @ 142.4 1/4, 6.003 @ 114 1/8 with our old mule KB, 572-13, 580 wedge.
RHD '68 Barracuda Fastback 323ci street/strip. Best ET 13.88 @ 99.03
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