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Topic Review (Newest First)
07-26-2012 01:03 PM
alsadler Can not seem to keep it running when it is put into drive, keeps stalling and missing when driving. Have not checked the distributor or rotor yet and the carb was on my 4.3l worked well with it. also choke light is always on on the dash even though the choke is not on, light goes out when it is unplugged.
07-25-2012 04:25 PM
alsadler head number may also be 14014416
07-25-2012 03:34 PM
alsadler took the valve covers off and the number on it is 14014410 what year is this?
07-25-2012 01:19 PM
alsadler it is in a pickup at 4000lbs the old truck with the 4.3l had more power than this.
07-24-2012 09:50 PM
vinniekq2 when I had a 283 I used AC45s no r. Didnt have a radio,lol. Champion plugs did not work well,autolites fair and NGK worked well.I was using points.HEI might be a lot more tolerant of different brands. The 283 does not make much power stock. A decent cheap head for a 283 is the stock 1.94 camel bump heads.You could easily make 235 plus horse power and not much torque,smooth and fun to drive if the car is under 3000 pounds
07-24-2012 06:57 PM
alsadler the top half of the motor looks like it is fron early 1980's but how do I find out what the heads are? where do I find the numbers and reference them?
07-24-2012 03:39 PM
Richiehd If its got the original style heads on it, you will want to use short thread 13/16 style spark plug. Not sure of the number A/C 45R maybe. Open the gap up from .035 to .045 to take advantage of the HEI. Then you can bump the timing up some to get more power.
07-24-2012 02:58 PM

283 cubic inch 4.6 L engine
07-24-2012 02:50 PM
AutoGear Why do you have a dirtbike engine in your truck? 283cc shaft drive?
07-24-2012 01:44 PM
283 cc spark plugs and gap

I have a 283cc in a pickup with 40000 km on it but it has been modified from origional. it has a block vin from 1962-1964 but looks like 1980's top end and has an HEI distributor. how do I dertermine the spark plugs and gap for this configuration. The vacuum gauge is showing late timing, is this due to my gap? Does not seem to have much balls but it starts and runs o.k.

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