What is the gasoline/ethanol rating from brand X epoxy?
"LOCTITE® 290 is a liquid medium/high-strength threadlocker designed for the locking and sealing of threaded fasteners. Because of its low viscosity and capillary action, the product wicks between engaged threads and eliminates the need for disassembly prior to application. The product cures when confined in the absence of air between close-fitting metal surfaces and prevents loosening and leakage due to shock and vibration. The product can also fill porosities in welds, castings and powdered metal parts."
90% strength gasoline
80% strength ethanol
nail varnish: nitrocelluloseThe carrier solvent for nail varnish is acetone, in the UK at least there is currently no acetone in petrol.
Epoxy is generally highly resistant to gasoline. It is used to repair fuel tanks and fittings fairly often, especially in marine industry. The locktite product is a good idea for close fitting sealing like in this case, should be good.What is the gasoline/ethanol rating from brand X epoxy?
"LOCTITE® 290 is a liquid medium/high-strength threadlocker designed for the locking and sealing of threaded fasteners. Because of its low viscosity and capillary action, the product wicks between engaged threads and eliminates the need for disassembly prior to application. The product cures when confined in the absence of air between close-fitting metal surfaces and prevents loosening and leakage due to shock and vibration. The product can also fill porosities in welds, castings and powdered metal parts."
90% strength gasoline
80% strength ethanol
I still have an 85 Oldsmobile with an electronic QJet. And yes, there's JB Weld on the well plugs.FWIW, JB Weld was the standard "fix" for leaking Quadrajet casting plugs which are normally submerged in fuel. As I said earlier, sealing QJ casting plugs was a required fix for early QJs. If your QJ didn't have epoxy-sealed casting plugs, it didn't meter properly.
thread seemed to go a bit off-topic, so FWIW -- back in the late 80's - early 90's, used to run a hobby-business, rebuilding and restoring Q-jets for corvettes and old muscle cars. SOP to seal the float bowl plug - pretty much used J-B exclusively.I still have an 85 Oldsmobile with an electronic QJet. And yes, there's JB Weld on the well plugs.
I've been following this thread and am happy the culprit was identified!!and the winner is cliffa -- IT WAS THE F***ING KILL SWITCH!!!
Beer tokens gladly acceptedand the winner is cliffa -- IT WAS THE F***ING KILL SWITCH!!! bypassed the kill switch and problem solved. the kill switch has always been a bit touchy - always was on the ragged edge of the NO/NC thing. i'm guessing at certain engine RPM, the engine vibration frequency in that 2-3K RPM range was causing the ignition cutout. anyway, that's my story and i'm sticking with it. should have listened to cliffa on post #3 - could have saved me a lot of time and trouble. to close out this thread, thanks to everyone for all the help and suggestions.
I had mine apart to clean up contacts and then migrate left to right/right to left. Could not get hang of trying to manage turn signal, throttle and brake all on right hand!Good to hear this Joe. My bike serial number is within 50 of Joe's. One thing i have not done yet is cleaned up inside the handlebar switch clusters. This thread is prompting me to do that. I have read about disassembling them in a bag so as not to lose small parts. Any other advice is welcome. Sorry about derailing the Q-jets thread.
I used dialectic grease for the dual purpose of holding the fiddly sprint and ball in place and PM for corrosion avoidance . I did manage toI had mine apart to clean up contacts and then migrate left to right/right to left. Could not get hang of trying to manage turn signal, throttle and brake all on right hand!
Pretty easy to work on innards. Just be cautious with the ball bearings falling out. I used some lithium grease on reassembly which also helped to hold balls and springs in place while tightening down.
Interesting how I see people doing this.One of first things I did to my bike was to do away with kill switch.