I need an old guy....
Cargo Master
Joined: Dec 2009
Posts: 3,452
Likes: 2
From: Santa Fe Tx
You know. I'm wondering if the valve on 7 and 8 are adjusted right? Did you use a feeler gauge or play by ear? I'm also wondering if that carb is big enough to handle that motor I had a 2100 on a 390 once even after rebuilding it 4 times my truck never ran right. I put a holly 650 on it and she purred like a kitten
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Lead Driver
Joined: Jul 2011
Posts: 8,679
Likes: 191
From: On the Edge of the Desert
The way the Cleveland's are the valves aren't adjustable. They use a pedestal mount sled style rocker. Torque them to 22lb-ft and your done. No adjustment possible. The hydraulic lifters do the work.
As for the carb I know it's undersized, but it ran great with it 20 years ago. I want to put a 600 edelbrock on it. I just need to get the right intake manifold.
As for the carb I know it's undersized, but it ran great with it 20 years ago. I want to put a 600 edelbrock on it. I just need to get the right intake manifold.
Cargo Master
Joined: Dec 2009
Posts: 3,452
Likes: 2
From: Santa Fe Tx
I haven't worked on many Cleveland mainly idis pads Windsors and Fe's. Have you tried running g a 500+ cfm carb? To mount a 4bbl on a 2bbl intake the adaptor at O'Reillys is only 20.00 bucks I have used it in the past with great success.
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Lead Driver
Joined: Jul 2011
Posts: 8,679
Likes: 191
From: On the Edge of the Desert
I am saving up to buy a new edelbrock performer intake. I have a edelbrock 600 manual choke that I am going to put on it as soon as I get the manifold and a rebuild kit for the carb.
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Lead Driver
Joined: Jul 2011
Posts: 8,679
Likes: 191
From: On the Edge of the Desert
I hate auto correct on my phone. And I've got a good amount of expirience on the 7.3PSD. I know that engine inside and out. We did a lot of work to our '99. It's a screamer now.
Cargo Master
Joined: Dec 2009
Posts: 3,452
Likes: 2
From: Santa Fe Tx
I'm thinking not enough carb. Hell I'm going to a 500 cfm 2bbl holley on my 289. I would definalty try putting more fuel to the fire and see what happened. Have you adjusted you float needles ect? I rember I rebuilt a 2150 one time didnt adjust it right and fuel went out of the vent holes. Lol school of hard knocks lol
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Lead Driver
Joined: Jul 2011
Posts: 8,679
Likes: 191
From: On the Edge of the Desert
I've seen the 2-4 adapter at oreillys. I actually work there. I guess if you just turned it over it would put a 4 on a 2.
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Cargo Master
Joined: Jul 2003
Posts: 2,727
Likes: 20
From: Four Oaks, NC
I was thinking about this and have a few ideas.
1. The plug wires. I remember you saying they were new, does that mean they were new, so you reused them after the rebuild? In which case I would suggest maybe that wire is faulty, bad connector at one or something. You could test the wire with an ohm meter to see.
2. The HEI cap not seated correctly. I have a GM HEI on my 351C as well and I have put it on before without it being seated perfectly (of course in my case when I did that it would not start at all, so I don't THINK thats your problem but just thought I would throw it out there).
3. Is it possible something is on the distributor shaft, where it should be triggering for #7, is messed up, or has a burr on it, etc? Do you have the old distributor & coil handy where you could swap it in and see if it makes a difference?
1. The plug wires. I remember you saying they were new, does that mean they were new, so you reused them after the rebuild? In which case I would suggest maybe that wire is faulty, bad connector at one or something. You could test the wire with an ohm meter to see.
2. The HEI cap not seated correctly. I have a GM HEI on my 351C as well and I have put it on before without it being seated perfectly (of course in my case when I did that it would not start at all, so I don't THINK thats your problem but just thought I would throw it out there).
3. Is it possible something is on the distributor shaft, where it should be triggering for #7, is messed up, or has a burr on it, etc? Do you have the old distributor & coil handy where you could swap it in and see if it makes a difference?
Cargo Master
Joined: Jul 2003
Posts: 2,727
Likes: 20
From: Four Oaks, NC
The way the Cleveland's are the valves aren't adjustable. They use a pedestal mount sled style rocker. Torque them to 22lb-ft and your done. No adjustment possible. The hydraulic lifters do the work.
As for the carb I know it's undersized, but it ran great with it 20 years ago. I want to put a 600 edelbrock on it. I just need to get the right intake manifold.
As for the carb I know it's undersized, but it ran great with it 20 years ago. I want to put a 600 edelbrock on it. I just need to get the right intake manifold.
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Lead Driver
Joined: Jul 2011
Posts: 8,679
Likes: 191
From: On the Edge of the Desert
Plug wires were new with the HEI. The rebuild has been in steps as opposed to all at once. I have swapped plugs and wires around the engine and it doesn't make a difference.
Cargo Master
Joined: Jul 2003
Posts: 2,727
Likes: 20
From: Four Oaks, NC
Swapping the plug wires around would never solve this issue, it would only move the problem from #7 over to #8 temporarily. Earlier when he said the spark looked weak, and was not even enough to shock him when he pulled it, makes me think this is an area to delve into more.