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#21
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Quote:
A google search may unearth this procedure and save you the time and gaskets. I did NOT download this - try at your own risk. https://onlinerepairmanuals.com/work...manual/5529975 Last edited by Scarebird; 11-18-2023 at 07:27 PM. |
The Following User Says Thank You to Scarebird For This Useful Post: | ||
#22
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Quote:
I have ample amounts of fuel, a new carb, an HEI that's producing spark, and it's been set with #1 TDC multiple times. I'm getting nothing. Not a cough, backfire, pop, nothing. It's like it doesn't have ignition, despite having spark. The only thing I can think of is the valve timing is off.
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"Those poor souls have made the fatal mistake of surrounding us. Now we can fire in any direction" 1970 Trans Am RAIII 4 speed 1971 Trans Am 5.3 LM7 1977 Trans Am W72 Y82 1987 Grand National |
#23
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Well, take a look at this BS. Timing mark on crank facing 12 o'clock, cam is drifting off somewhere around 2.
Numb nuts put this together
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"Those poor souls have made the fatal mistake of surrounding us. Now we can fire in any direction" 1970 Trans Am RAIII 4 speed 1971 Trans Am 5.3 LM7 1977 Trans Am W72 Y82 1987 Grand National |
#24
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That would do it.
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#25
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Where's the dot on the crank gear? I see a white line but not the dot.
But that is way if it is where the line is. Did you put the white lines on?
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John Wallace - johnta1 Pontiac Power RULES !!! www.wallaceracing.com Winner of Top Class at Pontiac Nationals, 2004 Cordova Winner of Quick 16 At Ames 2004 Pontiac Tripower Nats KRE's MR-1 - 1st 5 second Pontiac block ever! "Every man has a right to his own opinion, but no man has a right to be wrong in his facts." "People demand freedom of speech to make up for the freedom of thought which they avoid." – Socrates |
#26
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I put the lines on so they're easier to see in the pics.
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"Those poor souls have made the fatal mistake of surrounding us. Now we can fire in any direction" 1970 Trans Am RAIII 4 speed 1971 Trans Am 5.3 LM7 1977 Trans Am W72 Y82 1987 Grand National |
#27
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So I removed the crank sprocket and installed it straight up (not advanced or retarded) and spun the cam until the dot on it lined up the the crank sprocket, and re-installed the chain. Now I got the dots facing 6 o'clock on the cam, and 12 on the crank. After rotating it 360° they line back up and cylinder #1 is at TDC.
Sounds right, right?
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"Those poor souls have made the fatal mistake of surrounding us. Now we can fire in any direction" 1970 Trans Am RAIII 4 speed 1971 Trans Am 5.3 LM7 1977 Trans Am W72 Y82 1987 Grand National |
#28
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The highlighted mark on the crank sprocket is a stamped square?
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#29
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I think they're asking if you know which key slot and mark are correct for "straight up". Is a square mark for "0" advance? Or is it a round mark, triangle, whatever...
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#30
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Quote:
I just bumped the key and got it to cough through the carb slightly, which is more than I was ever getting before. So I'm definitely on the right track
__________________
"Those poor souls have made the fatal mistake of surrounding us. Now we can fire in any direction" 1970 Trans Am RAIII 4 speed 1971 Trans Am 5.3 LM7 1977 Trans Am W72 Y82 1987 Grand National |
#31
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Exactly.
Circle = Straight up Triangle = 2° advanced Square = 2° retarded per Cloyes |
#32
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I have no idea wtf happened during installation. I guess I'll go over everything to make sure nothing else is installed incorrectly.
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"Those poor souls have made the fatal mistake of surrounding us. Now we can fire in any direction" 1970 Trans Am RAIII 4 speed 1971 Trans Am 5.3 LM7 1977 Trans Am W72 Y82 1987 Grand National |
#33
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Wow, if the square mark was under your white paint, then you definitely found the smoking gun.
Caca happens, but this one sounds beyond frustrating. Good job figuring it out. |
#34
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Well, it's all back together. Just waiting on some gaskets. Did a little test fire and got it to go. So I guess the previous owner just messed up the chain installation.
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"Those poor souls have made the fatal mistake of surrounding us. Now we can fire in any direction" 1970 Trans Am RAIII 4 speed 1971 Trans Am 5.3 LM7 1977 Trans Am W72 Y82 1987 Grand National |
#35
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Got the car up and running! Had to wait a few days for parts and such, but got it fired up, broken in for 20 minutes at 2000-2500 rpm, and locked in the timing where it seemed to like it.
What are you guys doing oil wise after break in? I have always changed break in oil the day after initial start and set up, and run Dello with a zinc additive on top of it after.
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"Those poor souls have made the fatal mistake of surrounding us. Now we can fire in any direction" 1970 Trans Am RAIII 4 speed 1971 Trans Am 5.3 LM7 1977 Trans Am W72 Y82 1987 Grand National |
The Following User Says Thank You to 72projectbird For This Useful Post: | ||
#36
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Good to hear.
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#37
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Next up, interior. Already have the seats redone with new foam and covers, just waiting on the headliner before I install everything. Also building a 4 relay system for the power windows, instead of using the stock setup that runs the power thru the switch before going to the motors.
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"Those poor souls have made the fatal mistake of surrounding us. Now we can fire in any direction" 1970 Trans Am RAIII 4 speed 1971 Trans Am 5.3 LM7 1977 Trans Am W72 Y82 1987 Grand National |
#38
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Got the 4 relays installed for the power windows, and Jesus they're fast now. Bypassing the factory relay that ran all the power through the switch, and instead having a dedicated relay for each up and down function per window really helped. More than I figured it would. The windows are lightning quick now. Pretty sweet.
Just got the headliner delivered today. Hope to start assembling the interior this weekend.
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"Those poor souls have made the fatal mistake of surrounding us. Now we can fire in any direction" 1970 Trans Am RAIII 4 speed 1971 Trans Am 5.3 LM7 1977 Trans Am W72 Y82 1987 Grand National |
#39
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I need need to purchase and install a headliner in my son’s 79…any tips? Has to be easier than an early car with the bows…
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"If the best Mustang is the Camaro, the best Camaro is actually the Firebird" David Zenlea |
#40
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It was easy, I did my 78.
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🧩 Burds Parts, Finding those Hard to Find PCs, no Fisher Price Toys Here Just Say No To 8” Flakes F ire B irds 🇮🇱 |
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