JBswth's latest activity
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JJBswth replied to the thread Tire size confusion..My 73 has 16.5, regular rims. Last year, only one tire shop was willing to order them for me. Probably will have to switch to 16s nest...
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JWhat DD said. Some came with that large, depends on how the truck was ordered, but the size you have is one of the most common today, I...
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JMost likely came with 9.5-16.5 tires, and someone switched to 16 inch rims and 235/85/16 tires. Nothing wrong except the computers...
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JJBswth replied to the thread What year box do I have?.You have a 74 - 77 or so bed. If the 2nd pair of bed to frame bolts is much further apart from the 1st pair than the 3rd and 4th pair...
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JJBswth replied to the thread What year box do I have?.The late 76 - 87 tailgates are all physically interchangeable, even though they are a little different, but if 80s tailgate is used on a...
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JThanks legopnuematic. That's what LMC's website says as well. But my tailgate is original to the 84. (It matches the cab and front end)...
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JFrom AMD's website on the 73-76 and 76-78 bedsides fitment.
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JJBswth replied to the thread Engine lag.Ticking sound? You might have a sticking intake or two, in addition to vacuum leaks and/or partially plugged idle/low speed circuit in...
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JMaybe a vacuum leak? My sons truck was doing the same thing. Vacuum hose was burned through (laying on the headers) as well as the brake...
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JYou might want to experiment with initial timing. Try backing it off or increasing it 2 deg at a time and drive it for a couple of days...
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JJBswth replied to the thread Engine stumbling/stalling in drive.If your vacuum advance receives ported vacuum, you probably won't have much if any vacuum going to it at idle, but if it receives...
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JSeems a bit more of a spread than is usual. Try adjusting the idle mix. Turn screws either in or out until highest RPM achieved then in...
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JJBswth replied to the thread 82 Sierra Grill alternatives.If you can't find a replacement grille, you can try the Hot Rod stainless grilles that you can get through Brothers, LMC, etc. Beware...
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JUnfortunately, none of the GMC grilles are repopped other than a crappy version of the '85-88. Any '81-88 Chevy or GMC grille will work...
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JJBswth replied to the thread Coolant Hose Popped Off the Thermostat.You saw steam, not smoke. Your radiator cap might be frozen, so that the center plunger can't be pushed upward by excess water...
