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Old 04-13-2009, 09:43 PM   #11
QWKSNKE
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.....and how well balanced the intake runners are but yes it definitely will show just how much a copy cat knock off intake or out of the box carb is way off on afr from cylinder to cylinder....
That is exactly why I asked that question. Seems to me it would be hard to 'tune' a carb car without measuring AFR or exhaust temps on each cylinder. Based off the carb intakes I have been around it seems like it would be real easy to either have the cyls 1,4,5,& 8 to lean or to fat when trying to balance out your power per cylinder.

Is it safe for me to assume that on your standard single carb setup that cylinder a/f mixture will never be balanced because of the typical intake design?
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Old 04-13-2009, 10:05 PM   #12
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Quote:
Originally Posted by QWKSNKE View Post
That is exactly why I asked that question. Seems to me it would be hard to 'tune' a carb car without measuring AFR or exhaust temps on each cylinder. Based off the carb intakes I have been around it seems like it would be real easy to either have the cyls 1,4,5,& 8 to lean or to fat when trying to balance out your power per cylinder.

Is it safe for me to assume that on your standard single carb setup that cylinder a/f mixture will never be balanced because of the typical intake design?
yes i agree.that is why it is important to blue print everything else. if you dont then the cylinders that are off would be magnified even more so.most power would be made by taking the leanest cylinder and getting it as close to stoich as possible this would give the smoothest operating hp.details details makes it fun to play.i beleive that the taller the plenum the more consistent a carb setup is.just wish i had the dough to efi my little motor.guess i will have to settle for one tall arse intake.lol makes for good chat though.ps i do know of 2 porters that get the runners within a few cfm though.$$$$$$$$$$$
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Old 04-13-2009, 10:08 PM   #13
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What would be nice is if i really knew what i was talking about then i would be dangerous!
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Old 04-13-2009, 10:12 PM   #14
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so it would be a good ideal to have my injectors flowed?
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Old 04-13-2009, 10:15 PM   #15
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so it would be a good ideal to have my injectors flowed?
from my understanding the obdII is adjustable from cylinder to cylinder maybe someone with more experience will chime in.
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Old 04-13-2009, 10:34 PM   #16
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so it would be a good ideal to have my injectors flowed?
Are we talking on your mod motor? I would say no. Ford injectors are usually close enough from what I have read. You would have to have a pretty radical combination to worry about going that far
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Old 04-13-2009, 10:38 PM   #17
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That is exactly why I asked that question. Seems to me it would be hard to 'tune' a carb car without measuring AFR or exhaust temps on each cylinder. Based off the carb intakes I have been around it seems like it would be real easy to either have the cyls 1,4,5,& 8 to lean or to fat when trying to balance out your power per cylinder.

Is it safe for me to assume that on your standard single carb setup that cylinder a/f mixture will never be balanced because of the typical intake design?
lol my setup will not be typical carb setup up intake will be balanced.heres a question to show how old you are how would you change timing to off set it from cylinder to cylinder on a good old plain duraspark setup?
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Old 04-14-2009, 07:27 AM   #18
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I do not see anything on pure old hillbilly grain alcohol......
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Old 04-14-2009, 07:58 AM   #19
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lol my setup will not be typical carb setup up intake will be balanced.heres a question to show how old you are how would you change timing to off set it from cylinder to cylinder on a good old plain duraspark setup?
Sorry I didn't mean YOUR setup. I was using the word as a generalization. I guess I should have just left it out.

To answer your question, I have no idea. I have never had the desire to build a carb motor for the strip. Hell, I haven't owned a carb motor since 1995.
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Old 04-14-2009, 11:07 AM   #20
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I did not take offense I just having good ol hotrod chat. The answer is the tangs on the stator can be shaved or even some older guys have bent them slightly. Kinda one of those things like placing pipe cleaner in the pushrods to slow oil flow down to the rockers back when the pipe cleaners were made of real material not the cheap stuff today. Lol I just having fun. Got an oversize load today so back to work I go.
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