1970 Cuda 496 10,3 sec

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Old Apr 21, 2014 | 09:36 AM
  #61  
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F is Ford type trans fluid. I remember even years ago It was suggested to use Ford type fluid in a modified TF
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Old May 6, 2014 | 02:16 PM
  #62  
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Guys .. A question
If i put 110 octane race fuel is good for my engine ??? Now i use 100 octane pump gas ,,,
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Old May 6, 2014 | 04:14 PM
  #63  
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Raffa.... You need to check the Total Octane... Not just the advertised Octane rating.... But if you use it and not have any detonation you will be fine. Keep a good eye on the plug reading...


Oh... And did you see you WON the "Mopar Of The Mouth" on the site here !!!!!!!!!!!
Love the Web Site also Raffa...Looks great....http://www.2000motors.it/

Last edited by RacerHog; May 6, 2014 at 04:20 PM.
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Old May 23, 2014 | 12:55 PM
  #64  
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Hi Guys !! best ET 10.00@141 mph 1.51 60ft !!





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Old Aug 19, 2014 | 08:44 PM
  #65  
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hi guys .. i have the race in 14 september .. this is my news:

new tires 28-10.50 MT
110 octane fuel
new fuel jet plate
new cal tracs adjust from lower to upper hole
new valvebody billet from john cope racing

lowering the front of 1" for better straight at high speed ? can worse my 60 ft .. now is 1.51


any advice is good for me Thanks !

Last edited by raffaplymouth; Aug 19, 2014 at 08:46 PM.
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Old Nov 8, 2014 | 12:43 PM
  #66  
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Originally Posted by raffaplymouth
hi guys .. i have the race in 14 september .. this is my news:

new tires 28-10.50 MT
110 octane fuel
new fuel jet plate
new cal tracs adjust from lower to upper hole
new valvebody billet from john cope racing

lowering the front of 1" for better straight at high speed ? can worse my 60 ft .. now is 1.51


any advice is good for me Thanks !
Hi Guys '... Best time 9,70@145 mph ... 1.49 60 ft !!!.. I think this improvement is caused from John Cope Valvebodie installed before the race ...
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Old Nov 8, 2014 | 12:48 PM
  #67  
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9,79 Video

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Old Nov 8, 2014 | 01:54 PM
  #68  
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Fantastic!
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Old Nov 8, 2014 | 02:04 PM
  #69  
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!!!!!!!!!!!!!!!!!!!!!!!! Congrats Raffa !!!!!!!!!!!!!!!!!!!!!!!
That car is really coming around.....
And Yes John Cope Trans parts are goooood Stuffffffff !!!!

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Old Nov 8, 2014 | 04:43 PM
  #70  
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Raffa

That thing is coming along nicely.

There are some high 8 sec cars with that mph.

I think there are possibly some gains yet to be made.

What is your : Launch rpm
Torque Converter flash rpm
Maximum engine torque rpm
Maximum engine horsepower rpm
Trap rpm


That 60 ft might have room for improvement?

Last edited by Drag Pak; Nov 8, 2014 at 11:02 PM.
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Old Nov 9, 2014 | 12:34 PM
  #71  
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Originally Posted by Drag Pak
Raffa

That thing is coming along nicely.

There are some high 8 sec cars with that mph.

I think there are possibly some gains yet to be made.

What is your : Launch rpm 1600
Torque Converter flash rpm 5000
Maximum engine torque rpm i dont know ! No dyno test in Italy
Maximum engine horsepower rpm 7300
Trap rpm trap??finish line rpm ? 7200

Rear end ratio 4.10
Tires MT 28-10,50-15
Tire pressure 10.5 psi
Best 60 ft 1,49



That 60 ft might have room for improvement?
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Old Nov 9, 2014 | 12:35 PM
  #72  
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Remember Drag pack !! 3500 lb of weight !!!
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Old Nov 9, 2014 | 12:40 PM
  #73  
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Old Nov 9, 2014 | 12:43 PM
  #74  
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Originally Posted by RacerHog
!!!!!!!!!!!!!!!!!!!!!!!! Congrats Raffa !!!!!!!!!!!!!!!!!!!!!!!
That car is really coming around.....
And Yes John Cope Trans parts are goooood Stuffffffff !!!!

Yes Bob !! Transmission is very fast !! Look the video inside !!!
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Old Nov 9, 2014 | 02:24 PM
  #75  
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Looking Great.. !!!!!!!!!!!
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Old Mar 15, 2015 | 08:27 AM
  #76  
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Im working for calculation of rear tires ...look like close ratio .. At finishline tachometer show 7300 rpm with 28 tires .. With 29,5 will be at 7000 !!
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Old Mar 15, 2015 | 10:08 AM
  #77  
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That should knock about 300 RPM off it........

I dont see 7300 Being a problem as long as the motor is still working up there.
But if your just looking to knock a few RPMs off the top... Then try the tire change.

But Some times, if this has not been a problem before? "Climbing in RPM" this could be the result of the Converter slippage....



Question:.... Still has the 4.10 Rear Gear? and still running down in the 9.80 range?
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Old Mar 22, 2015 | 01:41 PM
  #78  
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Originally Posted by RacerHog
That should knock about 300 RPM off it........

I dont see 7300 Being a problem as long as the motor is still working up there.
But if your just looking to knock a few RPMs off the top... Then try the tire change.

But Some times, if this has not been a problem before? "Climbing in RPM" this could be the result of the Converter slippage....



Question:.... Still has the 4.10 Rear Gear? and still running down in the 9.80 range?
hi Bob. .. I see now this .. Yes i have 4.10 ... You think is good drop to 29,5 tires ?
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Old Mar 22, 2015 | 02:55 PM
  #79  
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Yes.... That should bring the RPM Down 300 RPM.....
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Old Mar 24, 2015 | 01:09 PM
  #80  
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Originally Posted by RacerHog
Yes.... That should bring the RPM Down 300 RPM.....

Bob you think 300 rpm down at finishline ??
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Old Mar 24, 2015 | 04:36 PM
  #81  
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That is one sexy machine. Congratulations on shattering your original goal. Look forward to watching this thread grow.
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Old Mar 24, 2015 | 06:43 PM
  #82  
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Yes... If going now at 7300RPM... The changes should go down to very close to 7000RPM... I think Very Close Raffa....
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Old Jul 7, 2015 | 09:02 AM
  #83  
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hi Guys ... this is the last news !

Best ET 9.64@232 with 400 hp spray !!
best 60 FT 1.49 sec

finish line rpm 7400 ( Too high !!!) with 28-10- tires

i would improve my 60 ft !

im working for install 30-12 tires but need leaf spring offset hanger and shackle ...

anyone have installed on E Body 12" wide tires ? i think to install 10" wheel with 6.5 backspace ..with 29-12-15 good year drag slick

im also undecided if put stock height leaf springs or lowered ...

thank you guys !! im happy for any advice
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Old Jul 7, 2015 | 09:09 AM
  #84  
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caricare immagini

Last edited by raffaplymouth; Jul 7, 2015 at 09:13 AM.
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Old Jul 7, 2015 | 09:14 AM
  #85  
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upload immagini gratis

Last edited by raffaplymouth; Jul 7, 2015 at 09:17 AM.
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Old Jul 7, 2015 | 11:46 AM
  #86  
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Raffa

Have you considered going with a radial slick.

The ones noted work well on a 10" rim into the low 8's in Stock Eliminator and they should fit your car easily.

Hoosier
18212 9.0/30.0R-15 Radial*** C 9.0" 29.9" 94.0" 8-10" 8" 11.0" C06
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Old Jul 7, 2015 | 02:28 PM
  #87  
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Originally Posted by Drag Pak
Raffa

Have you considered going with a radial slick.

The ones noted work well on a 10" rim into the low 8's in Stock Eliminator and they should fit your car easily.

Hoosier
18212 9.0/30.0R-15 Radial*** C 9.0" 29.9" 94.0" 8-10" 8" 11.0" C06
radial ??? I thought it was worse in 60 ft !! my car weight is 3500 lb
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Old Jul 7, 2015 | 03:13 PM
  #88  
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Raffa

My last outing @3320 lbs crossing the scales after the pass, car went 1.261 - 60'
Attached Thumbnails 1970 Cuda 496 10,3 sec-dsc00185.jpg  
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Old Jul 8, 2015 | 07:03 AM
  #89  
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Originally Posted by Drag Pak
Raffa

My last outing @3320 lbs crossing the scales after the pass, car went 1.261 - 60'
wow !!! very fast 60 ft !! but you dont have leaf springs
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Old Jul 8, 2015 | 10:12 AM
  #90  
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Raffa

Going through some slips and I note a BS/A leaf spring Camaro at 1.337 - 60ft.

I would have to research it, but I believe there is a 1964 CC/SA 3800 lb Plymouth here in Div 6 that would be very close to me (60 ft and et.) as he has run with me.
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