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I've had a quick look but cant find any identifying serial numbers or tect that helped. Can anyone identify what carb it is from photos?
I know its a Holley. And my knowledge stops there. Very little experience with carbs, i can connect the laptop to my evo and change the fueling and ignition there no problem..give me a carburetor and im lost lol. Any suggestions on books or resources to read to become familiar.
I'll probably end up pulling it off tomorrow. i'll likely find a model number then. Was just hoping it was going to be something easily recognizable. Carbs have been dead here in the Uk for a long long time and are seldom seen on any vehicle. Most garages these days havent a clue with them.
After googling pics..Would tend to agree. When you say 600/650..what does that relate to? Something along the lines of jet sizing? Will spend this evening taking a crash course as id like to strip and rebuild the carb the same time as fitting electronic ignition and giving a general service.
There should be a number stamped into the rectangular shaped air horn on the top of the carb facing the front .
It's the only way to tell accurately exactly what carb it is .
After googling pics..Would tend to agree. When you say 600/650..what does that relate to? Something along the lines of jet sizing? Will spend this evening taking a crash course as id like to strip and rebuild the carb the same time as fitting electronic ignition and giving a general service.
Air flow volume. 600 or 650 CFM or Cubic Feet per Minute.
Would you guys use 17 or 18 cubic meters per minute, or something?
Air flow volume. 600 or 650 CFM or Cubic Feet per Minute.
Would you guys use 17 or 18 cubic meters per minute, or something?
No idea what we would use...Carbs are so few and far between here. Would a 650 be physically bigger? or would it have different jets and changeable parts inside to flow more?
These carbs in my opinion are great as is. Had one on my 1975 460 in an old truck I drove years back. Messing with the jets and whatnot I would not recommend. Just make sure it is clean as can be before you put the rebuild kit in. You can go on-line for the rebuild procedure.
No idea what we would use...Carbs are so few and far between here. Would a 650 be physically bigger? or would it have different jets and changeable parts inside to flow more?
Generally, the CFM is rated by how much air will flow through the carb at WOT. Different throttle bores and venturis. Bigger the holes, the more CFM it flows.
That carb should be plenty for what you want to do. Ditto on the rebuild recommendation. They aren't particularly complex or have too many "fiddly bits" as you blokes across the pond call them. Some carburetor cleaner and pressurized air hose to blow out the air passages and renew the rubberized parts, power valve. Jetting sizes should already be close but it doesn't hurt to check. Close inspection of the spark plug insulator can tell an awful lot about engine health, engine timing, and carburetor air/fuel ratio.
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Would a 650 be physically bigger? or would it have different jets and changeable parts inside to flow more?
