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Re: Help pick a cam Agan a lttle long [Re: gregsdart] #2158712
09/21/16 01:21 PM
09/21/16 01:21 PM
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67mprfan Offline OP
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Originally Posted By gregsdart
After rereading this post, I am sure something is holding this car back, and by a fair amount. The parts are there for enough power to go 9.60s,IMHO. Just comparing the 1/8th ET to 1/4 ET shows it should run at least a 9.99 or so, based on the 6.36 1/8th mile ET. Getting the hood to carb problem solved, proper springs and more rpm (6800 or more) it ought to surprise you.



Greg the new springs are on Dwayne P. Help out a lot picking my cam and it definitely pulls on top more.


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: Help pick a cam Agan a lttle long [Re: Thumperdart] #2158717
09/21/16 01:27 PM
09/21/16 01:27 PM
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67mprfan Offline OP
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Originally Posted By Thumperdart
I`ve thought this all along and we talked about things before and after I did the carb then he sells it............. shruggy Fuel delivery based on what op told me was questionable but he swore it was good...........I thought you said you were going in a different direction like late model efi stuff at least that`s what I remember you saying......... coffee


Still exploring my options far as selling everything I don't want to sell something that's not right either.

The changes I made to the fuel system made no difference one-way or the other.. I m working on the hood now


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: Help pick a cam Agan a lttle long [Re: 67mprfan] #2158726
09/21/16 01:38 PM
09/21/16 01:38 PM
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Posts: 19,317
State of confusion
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Thumperdart Offline
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State of confusion
Confused on carb sale thinking it definitely was NOT the problem and now you`ll never know........... work


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: Help pick a cam Agan a lttle long [Re: Thumperdart] #2158802
09/21/16 03:23 PM
09/21/16 03:23 PM
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67mprfan Offline OP
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Originally Posted By Thumperdart
Confused on carb sale thinking it definitely was NOT the problem and now you`ll never know........... work


Nope thinning out unnecessary parts that I can't use


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: Help pick a cam Agan a lttle long [Re: Thumperdart] #2158803
09/21/16 03:24 PM
09/21/16 03:24 PM
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B3RE Offline
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Originally Posted By Thumperdart
I`ve thought this all along and we talked about things before and after I did the carb then he sells it............. shruggy Fuel delivery based on what op told me was questionable but he swore it was good...........I thought you said you were going in a different direction like late model efi stuff at least that`s what I remember you saying......... coffee

I spoke with the OP also about the valvetrain. There is no reason a 440 inch motor, with EZ heads and a large roller cam, should be shifted at 6500 and slow down if shifted higher. If the numbers look good in the 1/8th, but it doesn't carry them in the 1/4, then the motor is laying down. And now, with a new cam and new springs, the argument that the springs are weak doesn't seem logical. I still say the geometry is off substantially.


Last edited by B3RE; 09/21/16 03:26 PM.

Mike Beachel

I didn't write the rules of math nor create the laws of physics, I am just bound by them.
Re: Help pick a cam Agan a lttle long [Re: B3RE] #2158813
09/21/16 03:37 PM
09/21/16 03:37 PM
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67mprfan Offline OP
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Duration had a good part in revving higher is my thought


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: Help pick a cam Agan a lttle long. (Update) [Re: fast68plymouth] #2159399
09/22/16 01:33 PM
09/22/16 01:33 PM
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67mprfan Offline OP
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Originally Posted By fast68plymouth


Check the cranking compression yet?



I checked it last night it's now 185-190 where b4 it was only 155-165 so it did raise it some


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
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