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Old 08-21-2014, 09:08 PM
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DarkWolf40 DarkWolf40 is offline
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I've got a 410 and I'm running a EB 1825 on it, I think its a 650cfm. runs good but very hard to start cold.
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Old 08-27-2014, 06:22 PM
baddad457 baddad457 is offline
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Quote:
Originally Posted by Krewat View Post
Large port manifold to small port head might cause gas to drop out of the mixture as it hits the "wall" surrounding the small port. Causing all sorts of weird issues that'll have you thinking the carb needs more tuning.

I could be wrong of course
It wasn't as bad a deal as some make it out to be, Ford did this on a couple of factory combos, on the 429's Seen this on a factory jet boat engine too with an SCJ intake on an otherwise stock 460.
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Old 08-27-2014, 06:39 PM
mfnheff mfnheff is offline
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So far the intake/head combo is running like a champ. Pulls hard through all gears at the revs I've been running so far. Idle is smooth. Vacuum is steady.
When I put it together I reminded myself my aim was a low rpm engine to run in a truck that weighs 4900lbs. I figured the port mismatch would likely cause problems at higher rpms, if any problems were to arise. And I doubt I'll spin this thing 5 grand.
If it ever becomes and issue I'll sell that intake, cause I guess it could be kind of rare, and buy a performer rpm or similar.
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Old 08-27-2014, 06:39 PM
 
 
 
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