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Too Much Carburator?
Hi, I have a question about my carburator. I have a Holley Model 4160 Adjustable Float Carburetor, it is a 750 cfm. Many people have told me that this is too big of a carburator for my motor, so I was wondering what you guys thought.
My Engine: 1985 350 sbc, the motor is completely stock except for a .268 duration cam, double roller timing chain, Edelbrock performer intake manifold, and the carburator listed above. So is this carburator too big for my motor? Thanks, Nate |
#2
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I don't really know that much about this sort of thing but you could try this http://www.holley.com/applications/C...bSelection.asp
Guessing that you may be a tad big with the 750. How does it run ?
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Dave |
#3
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it doesn't run very well..it's really hard to start up and won't stay running when I do get it started.
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#4
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Most near-stock 350 engines do just fine with a 600 or 650.
Do you have a friend that has a smaller vacuum secondary carb you can just borrow to see if your problems go away? Last edited by Highway Star; 02-19-2010 at 10:37 PM. Reason: confused...sorry |
#5
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Quote:
Could simply be a tuning problem...not enough initial timing, float setting, jetting, vacuum leaks, idle adjustment,...hard to tell without more info.
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2017 Camaro RS -217 cu in 365 HP w/8 speed auto 1967 Camaro SS -5.3L LS w/4L60E & 4.11 12 bolt 2019 Cadillac XT5 3.6L V6 w/310 HP & 8 speed AWD |
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