Holley 4150 Booster Is A Little Loose - Hot Rod Forum : Hotrodders Bulletin Board
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Old 11-25-2012, 03:48 PM
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Holley 4150 Booster Is A Little Loose

I was in the process of firing up my car with this new holley carb & i was looking over everything to make sure every thing was connected & i noticed that one of the boosters was angled further down then the others so i touched it an its a lil loose it wiggles side to side a tiny bit. will this hurt my carb? or should i take it back to the shop where i got it to have them fix it??
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Old 11-25-2012, 05:02 PM
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Holley 4150 Booster Is A Little Loose

If that is a new carburetor I would take it back and tell them to replace it. The other side looks loose too.
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Old 11-25-2012, 06:16 PM
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Quote:
Originally Posted by the82elco View Post
I was in the process of firing up my car with this new holley carb & i was looking over everything to make sure every thing was connected & i noticed that one of the boosters was angled further down then the others so i touched it an its a lil loose it wiggles side to side a tiny bit. will this hurt my carb? or should i take it back to the shop where i got it to have them fix it??
The boosters should be tight. This is because the fuel is drawn up through them by a drop in pressure (the venturi effect). Air will pull easier than fuel, so if they're loose you could be very lean because more air than needed was being pulled through w/the fuel.
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Old 11-28-2012, 10:01 AM
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Yea I have seen several folks with this problem, They wound up epoxying the boosters in. also check the metering block passages for casing flash and the hols for burrs from being drilled.



This wicking 290 Loctite should seal that booster up with no problem
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Old 11-28-2012, 10:32 AM
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I always reckon that if the money I used to buy the
part is good then the part should also be good.
I´d go for a replacement not a fix.
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Old 11-28-2012, 02:22 PM
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i took my carb back to the shop where i got it from & they took it apart and fixed it
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