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454 4MV CARBUETOR ADJUSTMENT  
KILLION2
New User | Posts: 1 | Joined: 06/08
Posted: 06/18/08
07:29 PM

I have a 454 1984 GMC 3/4 ton pickup auto engine has been bored out to 461 cui mild cam higher than a RV cam ? when I floor it runs up about 2800 rpm then act like it is out of fuel have adj carb front brake , no change any suggestions.  


 
GibTG
Moderator | Posts: 1419 | Joined: 10/03
Posted: 06/18/08
10:10 PM

What is a carb front brake?

A serious mistake in the float level sounds possible.  


 
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