Question about Cars & Trucks
The only way to deal with these bad boys is to re-jet!!! go on line to RIPSPEED or alike give them your car details and your needs for the carbs and a jetting kit will be sorted for you.Just remember with more power the less your M.P.G!!!! Good-luck...
Posted on Dec 30, 2012
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Posted on Jan 02, 2017
SOURCE: I have a 1986 pup
i have a 1984 pup 4 cyl 4 speed.i cant seem to keep the electric choke adjusted correrctly.is it possible tha there are problems elswere in the carb?or just the choke
Posted on Nov 13, 2008
there should be several springs. first there are (2) real short springs that hold the shoes to the dust cover/back plate. they go in the center of each shoe. then there is a short spring that goes at the bottom where the adjuster is located. there should be a hole in each shoe. finally there is a long spring that goes at the top where your brake cylinder is and this is what gets attched last after your emergancy brake levers are placed between the shoes .
Posted on Apr 17, 2009
That engine is a good solid workhorse that isn't difficult to set up. First, set the ignition timing to 8degrees btc (advanced) they like it there. Set with vacuum advance disconnected and plugged. Next, while it's running, look down into the carb and make sure you dont see any fuel dripping into the venturis. If it is, you need to lower the float level a bit. Put a vacuum gauge on ti attached to any mainfold port. Then adjust the idle screws in the carb base till you have the highest possible vacuum reading. Work with one screw, then the other, then go back to the first one, then the second to get it fine tuned. If the carb has an electric throttle solenoid, do this with the solenoid disconnected and the idle speed turned down at the linkage to the lowest point that it will continue to run. Note: if the vacuum gauge bounces or reads substantially lower than 18 inches, you may have an internal engine problem...bounce is valves, very low may be timing chain. Make sure that you are getting 12v to the coil and that the cap, rotor and wires are in good condition and that the fly-weights under the rotor are free and not rusted in place. When finished, re-connect the solenoid and the advance hose and bring engine idle up to about 800-825rpm using idle screw on linkage If solenoid is always on, set linkage screw at 800, solenoid a bit higher
I suggest that before you begin any testing, you do a compression test. The numbers are not as important as that ther are close to each other...you should not have one thats at 80 and the remainder at 100 for example. Usually you should have at least 150 in each cyl. Look carefully at the spark plugs...they should be tan on the electrode porcelan, should have no residue of any kind and should be properly gapped. I'm sure I forgot something but doing what I said should make it run far better. Make sure firing order is correct...18436572, bost common to cross are 5 and 7. Any questions, just ask.
Posted on Aug 03, 2009
I got a 87 chevy 305, the carb. is popping really bad....got carb rebuilt and still no change....replace TPS....still no change...please help
Posted on Apr 06, 2010
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