Build Thread: Tan, Blue, and Financial Irresponsibility. (1 Viewer)

Joined
Apr 12, 2020
Messages
57
Location
Colorado Springs
Small fruitless update, wasnt getting spark on cyl 1 so I decided to swap out the plugs and wires, dist cap and rotor, and the igniter. I'm getting spark now but no still a no start, I think the timing is off, getting a timing light and waiting for a day where there isn't 8 inches of snow on the ground to get out there
 

MoaByte

SILVER Star
Joined
Dec 13, 2014
Messages
1,102
Location
Moab
Small fruitless update, wasnt getting spark on cyl 1 so I decided to swap out the plugs and wires, dist cap and rotor, and the igniter. I'm getting spark now but no still a no start, I think the timing is off, getting a timing light and waiting for a day where there isn't 8 inches of snow on the ground to get out there
Ignition stuff is nearly always simple after you find the problem. It is usually a lesson in humility, but solving it is golden.
 
Joined
Apr 12, 2020
Messages
57
Location
Colorado Springs
i've set to tdc/ the 7 degree mark and tried adjusted the dizzy a few times now with no change. I had a old dude with a fj40 that came through my job suggest swapping the plugs 180, which I did and actually got a back fire and white smoke coming out've the carb, So I have spark and fuel at least but I don't think that was the solution. Think my next step is gonna be pulling the dizzy and doing the whole timing process over to make sure the last guy didn't put it in a tooth off, its always ran kinda s***ty. May also see if someone from the local Tlca can help me out, I'm getting more and more stumped by the minute.

But lemme tell ya, one of these days this thing is gonna run perfectly! probably
 
Joined
Mar 4, 2016
Messages
1,243
Location
Boulder, Co
i've set to tdc/ the 7 degree mark and tried adjusted the dizzy a few times now with no change. I had a old dude with a fj40 that came through my job suggest swapping the plugs 180, which I did and actually got a back fire and white smoke coming out've the carb, So I have spark and fuel at least but I don't think that was the solution. Think my next step is gonna be pulling the dizzy and doing the whole timing process over to make sure the last guy didn't put it in a tooth off, its always ran kinda s***ty. May also see if someone from the local Tlca can help me out, I'm getting more and more stumped by the minute.

But lemme tell ya, one of these days this thing is gonna run perfectly! probably
Have you adjusted the fuel mix ratio on the carb? If the mix ratio screw is too tight you won’t get ignition.
 
Joined
Apr 12, 2020
Messages
57
Location
Colorado Springs
I backed both a few turns out to be safe, cause new carb and all. Didn't help and it still wont start with starting fluid or putting a bit of gas down the carb either
 
Joined
Mar 4, 2016
Messages
1,243
Location
Boulder, Co
How many turns? I had to back mine out almost 4.5 turns when I rebuilt it a few years ago. I thought I had screwed something up with the rebuild but I just wasn’t getting enough flow. Are you getting fuel to the carb?
 
Joined
Apr 12, 2020
Messages
57
Location
Colorado Springs
2.5, along with the other two screws. After reading that I went out and did it until it came out, then put it back in about three turns deep just to check, no luck.

I did realize I didn't remember seeing any of the metal gaskets on the new or old jets when I swapped them out, I pulled the carb and am gonna make sure I didn't mess that up. trying really hard not to get to rule 3 in your sig line, hah.
 
Joined
Mar 4, 2016
Messages
1,243
Location
Boulder, Co
2.5, along with the other two screws. After reading that I went out and did it until it came out, then put it back in about three turns deep just to check, no luck.

I did realize I didn't remember seeing any of the metal gaskets on the new or old jets when I swapped them out, I pulled the carb and am gonna make sure I didn't mess that up. trying really hard not to get to rule 3 in your sig line, hah.
Do you have the factory service manual? There’s a whole procedure in there for setting the idle speed and mix etc and adjusting the timing and valve gaps. Helps prevent rule #3...
 
Joined
Apr 12, 2020
Messages
57
Location
Colorado Springs
Do you have the factory service manual? There’s a whole procedure in there for setting the idle speed and mix etc and adjusting the timing and valve gaps. Helps prevent rule #3...
I do, I was planning on doing the lean drop method.. but it has to run for that, haha. I have a friend and his dad coming over tomorrow, both have been building cars for years and will probably immediately point out what I’ve messed up
 
Joined
Mar 4, 2016
Messages
1,243
Location
Boulder, Co
I do, I was planning on doing the lean drop method.. but it has to run for that, haha. I have a friend and his dad coming over tomorrow, both have been building cars for years and will probably immediately point out what I’ve messed up
Sometimes it helps to have fresh eyes. Something silly like you forgot to hook up a solenoid switch or something.
 
Joined
Apr 12, 2020
Messages
57
Location
Colorado Springs
*Damn*

went through the whole shebang, @cps432 you were right about my idle screw, I somehow never touched it, could've sword I did.

didn't make much of a difference though, engine has no compression, so I've f***ed something up. putting a finger over the spark plug hole will make it pop off if we bump the starter/spin it by hand, but two compression testers would only have the needle bounce a bit on cyl 1-2. was gonna do the rest to be thorough but its snowing again and I stayed up all night in the cold the day before going through everything else that I could think of before I made my friend come look.

None of the pistons had any noticeable side to side play in the cylinders, I think its something valve related. Gonna set the valve lash to the loose/break in settings, but after that I really am outta ideas. The 350 sitting in my garage is starting to look more and more rebuildable. frustrated, especially since this isn't he first time I've done this- Did the exact same job on my Blue cruiser and that thing started up immediately. Beer and reading time. Thanks for the help so far guys
 

MoaByte

SILVER Star
Joined
Dec 13, 2014
Messages
1,102
Location
Moab
120k this motor is barely broke in. I'd check valve lash. If they are tight, that would explain it. Otherwise, head gasket.
 

Users who are viewing this thread

Top Bottom