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E303 or f303 on speed density
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Topic: E303 or f303 on speed density (Read 2841 times)
bill88stang
6 Banger
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palm coast fla, formerly long island ny
E303 or f303 on speed density
«
on:
July 23, 2016, 03:37:17 pm »
Has anyone had any experience or know of anyone that was able to get a e303 or f303 to run on speed density? I wonder if using a tweecer would help get either of them to run better. I tried a b303 years ago and wound up having to convert to carb. Reading some posts on google several years ago I've seen a few that have tried both of those and believe it or not the f seemed to run better. I know the 114 lobe separation surely helps but I'm concerned the 226 duration would be too much. Thanks everyone. I know this isn't optimal but I may have to try it this way for my 94 lightning, that is a story in itself lol.
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1988 mustang gt 351w lots a goodies
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juiced coupe
Six figures worth of don't give a f*ck
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Big Block
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Re: E303 or f303 on speed density
«
Reply #1 on:
July 23, 2016, 06:14:34 pm »
In a 4500# truck, none of the above.
IMO, a custom is the only real choice for something like that. None of the aftermarket shelf hydraulic roller cams were designed for that service.
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Doing more with less, or something like that.
http://sbftech.com/index.php/topic,20009.0.html
Quote from: Monte Smith
Bottom line, if it was the hot ticket, the fast guys would do it.............they don't
Quote from: fast88 on December 19, 2012, 08:12:13 pm
You might need some Titanium rods and a flow bench!
Quote from: z-adamson on July 16, 2016, 05:16:28 pm
I honestly don't get it.
Quote from: 289nate on February 19, 2013, 12:04:43 pm
I'm sweating, my heart is racing, my clutch foot is twichin', and my right arm punched the computer screen doing an involentary 2-3 shift while reading all that.
Outlaw Bill
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Canton, Michigan
Re: E303 or f303 on speed density
«
Reply #2 on:
July 23, 2016, 08:16:39 pm »
Neither will work.
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bill88stang
6 Banger
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palm coast fla, formerly long island ny
Re: E303 or f303 on speed density
«
Reply #3 on:
July 23, 2016, 09:37:39 pm »
might go back to the 272 cam on the bottom. Ran that Cam a few years back when it was speed density, was kind of surprised it idled with the 112 lobe separation. Got good fuel mileage and made gobs of torque down low. Decided to go roller this time and had a e303 laying around and just have not been pleased.
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1988 mustang gt 351w lots a goodies
1994 Lightning #2020 of 4007. daily driver
mighty mouse
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I'll be the Judge of that
Re: E303 or f303 on speed density
«
Reply #4 on:
July 24, 2016, 08:50:24 am »
Back in 2000 I swapped a " baby crower" roller cam into an otherwise stock lightning. That cam worked well... I don't know if those cams are made anymore though. Was a guy I worked with near Chicago truck. Lost touch with him shortly thereafter.
I agree with Juiced though...if it were mine I would buy a custom cam for it and just be done.
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juiced coupe
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Re: E303 or f303 on speed density
«
Reply #5 on:
July 24, 2016, 09:22:09 pm »
Quote from: mighty mouse on July 24, 2016, 08:50:24 am
Back in 2000 I swapped a " baby crower" roller cam into an otherwise stock lightning. That cam worked well... I don't know if those cams are made anymore though. Was a guy I worked with near Chicago truck. Lost touch with him shortly thereafter.
I agree with Juiced though...if it were mine I would buy a custom cam for it and just be done.
Yes, they still make them. Unfortunately, they cost as much as a custom.
Logged
Doing more with less, or something like that.
http://sbftech.com/index.php/topic,20009.0.html
Quote from: Monte Smith
Bottom line, if it was the hot ticket, the fast guys would do it.............they don't
Quote from: fast88 on December 19, 2012, 08:12:13 pm
You might need some Titanium rods and a flow bench!
Quote from: z-adamson on July 16, 2016, 05:16:28 pm
I honestly don't get it.
Quote from: 289nate on February 19, 2013, 12:04:43 pm
I'm sweating, my heart is racing, my clutch foot is twichin', and my right arm punched the computer screen doing an involentary 2-3 shift while reading all that.
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