Swims350
Full Access Member
- Joined
- Jul 30, 2010
- Posts
- 4,352
- Reaction score
- 812
- Location
- Logan WV
- First Name
- Chris
- Truck Year
- 1983
- Truck Model
- K10
- Engine Size
- none
just an update on this bad vibration....
I first found out the new distributor cap had a couple towers that would wiggle, and I'm pretty sure they should not, yanked it found a couple of them had black marks on the flat terminals tabs inside the cap.
I changed it seemed better. Tried it again after hooking upp the driveshaft flexplate to converter etc. Still same vibration seemed abit better.
carb tuning didn't go so well, kept not making much change to vacuum turning the idle mixture screws.
Checked timing, it was WAY advanced. I never touched it from the time got it. I mean by way off, with it running at idle in park the timing tab on this one is at 12 o clock type right in middle of the timing cover. Well my first though was blancer slipped, because the thing at idle was like 2 inches past the furtherest mark on the tab towards the pass. side, WAY WAY advanced. I checked the motor, pulled plug bumper it around until it blew my rag out, checked it, sure enough balancer was reading right, so I had backed the timing back down to nroaml specs, around 8 degrees advance at idle. still skaes, tried carb again no real change or luck, at one point it started wanting the idle mix screws completely screwed in, which is the leantest mosr setting on the edelbrock carb, it's a 600cfm manual choke wired open, vac. sec.
Checked plugs again because before they were lean, very clean not black crap, this time they were completely black. So I began checking the distributor out more, turns out vac. adv. doesn't do ****. So today I swapped distributors. When I removed th eold one I found the vac. adv. stuck in between, it was right in the middle and would not move. the new one works great.
Well she liked it, sounds much better, revs alot faster, still shakes in gear. Carb still wants to be fully shut off on the mixture screws, it will idle up and smooth and just going like 1 turn out she drops idle starts to stumbe like or run rough.
So now I'm back to carb issues LOL FML
Now aother question for our trans guy @HotRodPC
I have the lil gear holder for the speedo removed from the trans, and at one point I had the driveshaft out, it's a th350 short shaft non lockup numbers matching to the 79 camaro. Ok with the shaft out and the speedo driven gear holder removed, running the truck in gear, which is sitting downhill in the back end, on stands, no fluid leaks out WTF is up with that? I checked fluid in gear same spot idling it's on add. pt. So I know I ned to add some but does tat sound like th epumps not working fully? I mean should it not be loosing fluid with the shaft gone or the speedo gear holder out? We could tell the truck was down on power and it has a b&m shift kit installed in the stage 2 formation with the stacked plates and the 2 middle holes drilled in the plate per the instructions, nothing else changed. Well when driving it does exactly like my monte carlo with that kit and that th350, going easy the monte carlo would go from 1st to 2nd and right into 3rd, like no time at all in 2nd, well the monte carlo the harder you were on the gas then the more it would let 2nd run, if you were on it hard it'd hold second out and bang into third and bark tires. Car had 342's out back. this truck has 4.10's and even doing a burnout no brake torque but pedal to the metal, it shifters from 1st into second and right into third no time spent in second so it makes me think maybe the pump is failing not putting out enough pressure.
I first found out the new distributor cap had a couple towers that would wiggle, and I'm pretty sure they should not, yanked it found a couple of them had black marks on the flat terminals tabs inside the cap.
I changed it seemed better. Tried it again after hooking upp the driveshaft flexplate to converter etc. Still same vibration seemed abit better.
carb tuning didn't go so well, kept not making much change to vacuum turning the idle mixture screws.
Checked timing, it was WAY advanced. I never touched it from the time got it. I mean by way off, with it running at idle in park the timing tab on this one is at 12 o clock type right in middle of the timing cover. Well my first though was blancer slipped, because the thing at idle was like 2 inches past the furtherest mark on the tab towards the pass. side, WAY WAY advanced. I checked the motor, pulled plug bumper it around until it blew my rag out, checked it, sure enough balancer was reading right, so I had backed the timing back down to nroaml specs, around 8 degrees advance at idle. still skaes, tried carb again no real change or luck, at one point it started wanting the idle mix screws completely screwed in, which is the leantest mosr setting on the edelbrock carb, it's a 600cfm manual choke wired open, vac. sec.
Checked plugs again because before they were lean, very clean not black crap, this time they were completely black. So I began checking the distributor out more, turns out vac. adv. doesn't do ****. So today I swapped distributors. When I removed th eold one I found the vac. adv. stuck in between, it was right in the middle and would not move. the new one works great.
Well she liked it, sounds much better, revs alot faster, still shakes in gear. Carb still wants to be fully shut off on the mixture screws, it will idle up and smooth and just going like 1 turn out she drops idle starts to stumbe like or run rough.
So now I'm back to carb issues LOL FML
Now aother question for our trans guy @HotRodPC
I have the lil gear holder for the speedo removed from the trans, and at one point I had the driveshaft out, it's a th350 short shaft non lockup numbers matching to the 79 camaro. Ok with the shaft out and the speedo driven gear holder removed, running the truck in gear, which is sitting downhill in the back end, on stands, no fluid leaks out WTF is up with that? I checked fluid in gear same spot idling it's on add. pt. So I know I ned to add some but does tat sound like th epumps not working fully? I mean should it not be loosing fluid with the shaft gone or the speedo gear holder out? We could tell the truck was down on power and it has a b&m shift kit installed in the stage 2 formation with the stacked plates and the 2 middle holes drilled in the plate per the instructions, nothing else changed. Well when driving it does exactly like my monte carlo with that kit and that th350, going easy the monte carlo would go from 1st to 2nd and right into 3rd, like no time at all in 2nd, well the monte carlo the harder you were on the gas then the more it would let 2nd run, if you were on it hard it'd hold second out and bang into third and bark tires. Car had 342's out back. this truck has 4.10's and even doing a burnout no brake torque but pedal to the metal, it shifters from 1st into second and right into third no time spent in second so it makes me think maybe the pump is failing not putting out enough pressure.