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Backfire when accelerating from 40mph to highway speed
Posted: May 11, 2008, 6:15 am
by leftside11
Hi all,
Slick is choking when I attempt to get up to highway speed. Where should I start to look for the problem?
Also what type gasoline are you using to filler up?
What weight motor oil is recommended for the upcoming summer?
Thanks in advance
Posted: May 11, 2008, 8:02 am
by 36truck
Check your power valve & accl. pump on the carb. 10W40 motor oil. Standard rebuild engine regular gas works a hotter engine use premium gas.
Posted: May 11, 2008, 8:03 am
by racerx1699
What motor and trans do you have?
1. Points and dwell
2. timing
3. Carb
4 Fuel filter
Gas could depend on your motor, I would think reqular would be fine
Oil could depend on your location, I live in Maryland and run 10w 40 all year.
Hope this helps some.
Posted: May 11, 2008, 9:43 pm
by blackagatha
take the vacuum advance hose off the carb and suck on it, if you get a mouth full of stinky air you got a bad advance... that sounds like a likely culprit.
if you dont get a mouth full of stink air, still pop the dizzy and check that the advance moves the breaker plate when you suck. it might be stuck.