colt cam - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 45 (permalink) Old 05-13-2014, 01:47 PM Thread Starter
mech 1
 
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colt cam

Has anyone used a coltcam in their 7.3 and did you notice a differnce in the so called fuel knock in the 1000 too 2000 range I did how ever notice when I tried the TS6 chip the higher i turned the knob the more of the knock went away
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post #2 of 45 (permalink) Old 05-13-2014, 02:02 PM
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Re: colt cam

I've never heard of anyone using a colt cam on a 7.3


1997 F350 SRW CCLB 7.3 ZF5 4x4
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post #3 of 45 (permalink) Old 05-13-2014, 02:11 PM Thread Starter
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Re: colt cam

well I did and well just picking yalls brain I have a therory but want to see if anyone else thought the same thing
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post #4 of 45 (permalink) Old 05-13-2014, 08:38 PM
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Re: colt cam

I would lean more towards your homemade injectors with the knock thing. Your gonna need custom tuning to get it to run right. Not just some off the shelf tuner or chip. Just sayin.
It's fuel and timing related. Nothing to do with camshaft.
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post #5 of 45 (permalink) Old 05-13-2014, 11:28 PM Thread Starter
mech 1
 
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Re: colt cam

The injectors are working fine I'm pretty sure it's a timing thing see here's it when you buy performance cams their is a difference in lift duration and lobe separation and more so than not they grind advance into the cam so if their is advance or retard ground into the cam the injectors are quite possibly firing to soon or to late which would cause the fuel knock I'm here in hence why the chip made it better because it makes the injectors fire sooner or later just not sure which which is why I asked if anyone had run one. Runs to smooth for injectors to be the problem
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post #6 of 45 (permalink) Old 05-14-2014, 12:32 AM
m j
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Re: colt cam

Colt is a couple miles from my girlfriends house, I am going to try one in my build

1997 F250 rclb 4x4,Comp910s,SRP1.1,Irate T4 s468,FullForce 350/200,efuel A1000 5/8" drawstraw,DI fuel fittings,D60f Detroit,Grizzly10.25,windowed 7.3 Oct 9/14
rebuild .010 riffraff cut pistons,swamps fire ring kit,Girdle,high-filled block,Manley rods,SBC dualdisc,ATI dampner,MorelLifters,MantonPushrods,ColtCam,
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post #7 of 45 (permalink) Old 05-14-2014, 01:41 AM Thread Starter
mech 1
 
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Re: colt cam

It defiantly makes a difference and is worth the money I just have to get the tunes right with my injectors and the colt stage two new build on motor factory hoop it will walk side ways out the hole going to take to watson racing have them custom tune it on a dyno I'll post the numbers when I do
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post #8 of 45 (permalink) Old 05-14-2014, 04:15 AM
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Re: colt cam

The cam has nothin to do with timing in a 7.3. Timing is all based off tuning. Hopefully those people know what they're doin or the rods are gonna be hangin out the side
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post #9 of 45 (permalink) Old 05-14-2014, 04:22 AM
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Re: colt cam

Quote:
Originally Posted by bruce51d View Post
The cam has nothin to do with timing in a 7.3. Timing is all based off tuning. Hopefully those people know what they're doin or the rods are gonna be hangin out the side
That's kinda what I tried telling him. It's not like a 3406 cat or big cam 400 cummins here. There is no injector lobe on the camshaft. Inj timing is all controlled by the ECM. Your cam is not your issue, your tuning is your issue.
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post #10 of 45 (permalink) Old 05-14-2014, 04:51 AM
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Re: colt cam

I really wish i had the link for charles timming video.

Early 99 f350 4x4 crew cab, auto. pmt2 pcm
2001 cup holder ,T500, MAX AC ASSIST AC mod, Diy Twin tymar, TS chip, Powerslots & Hawk pads, ford AIC, ..... with big fat want to list.
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