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Topic Review (Newest First)
05-01-2012 08:50 AM
TommyK You can use aluminum pop rivets. Not pretty but at least for testing purposes it works and is easily reversible. If you come to the conclusion you don't need the holes I would replace the throttle blades as has been suggested.
05-01-2012 04:58 AM
454C10 I have used electrical solder to plug throttle blade holes with good results.
04-30-2012 04:06 PM
sc2dave [QUOTE=Truckedup
4412 Holley is a fairly large carb for a 200 inch mild engine.[/QUOTE]Yeah,i agree.I had 15-hole annulars installed,to help some.I also had the IFR,PVCR's tapped. More of a learning experience.Thanks to all.
04-30-2012 02:50 PM
Truckedup Holes like that are usually done on an engine with a wild cam to get more airflow so the idle transition slots aren't fully exposed by opening the throttle to get an acceptable idle speed.
If they are steel I weld them on the carb with a MIG on low.you have to be comfortable doing this and get it done quick and neat.Obviously no fuel in the carb Throttle shaft screws are staked and this
needs to be filed off and or drilled. Brass screws or sometimes steel ones will shear off making a mess of things.
4412 Holley is a fairly large carb for a 200 inch mild engine.
04-30-2012 02:28 PM
ap72
Quote:
Originally Posted by sc2dave
I have a 4412 that i plan to use on a 194cid engine. It has an Offy intake ,mild cam,headers. The carb has the holes on the blades. I really don't need them,right? what can i use to plug them?
new throttle plates work very well.
04-30-2012 02:02 PM
sc2dave
Plugging holes in throttle blades...

I have a 4412 that i plan to use on a 194cid engine. It has an Offy intake ,mild cam,headers. The carb has the holes on the blades. I really don't need them,right? what can i use to plug them?

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