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1989 Astro RS on a 1998 AWD frame with a 1994 350 TBI
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Discussion Starter · #22 ·
I checked all of what everyone said and did not find a problem, so I think it may be rusted in the bearings of the engine, I sold the big ford got 1500 for it 3 years after I paid 1200 for it. It had a severe coolant leak from the intake manifold. Anyway I went to check out an 89 350 yesterday with less than 80k miles I heard it run checked all the fluids and since its not only the same year as mine it also has all the components on it, I bought it and will pick it up On Tuesday. I pulled my engine today. I will swap the oil pan, replace a few gaskets and put it in my van. The engine I took out, I will slowly buy parts to build it the way I want it for the future. Thanks for all the help guys. Mark
 

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I checked all of what everyone said and did not find a problem, so I think it may be rusted in the bearings of the engine, I sold the big ford got 1500 for it 3 years after I paid 1200 for it. It had a severe coolant leak from the intake manifold. Anyway I went to check out an 89 350 yesterday with less than 80k miles I heard it run checked all the fluids and since its not only the same year as mine it also has all the components on it, I bought it and will pick it up On Tuesday. I pulled my engine today. I will swap the oil pan, replace a few gaskets and put it in my van. The engine I took out, I will slowly buy parts to build it the way I want it for the future. Thanks for all the help guys. Mark
HI Mark, got a question from you, but cannot reply, says "conversation is closed"?
Anyway, to answer, might want to consider replacing the valve stem seals.
 

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1989 Astro RS on a 1998 AWD frame with a 1994 350 TBI
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Discussion Starter · #24 ·
SO The engine is a 1989 350 TBI with 4 bolt mains. I am going to strip it down to the short block replace the valve guide seals install them then add my Edelbrock TBI intake manifold, my custom oil pan to fit the frame, motor mounts' oil pump replacement stock just because it's cheap. Then the rear main seal since I have it apart. I figure it's cheap insurance. Then its going back together. I may as well replace the timing chain since I have a new one here. This way I can take a few years to rebuild the 94 350 I previously bought -possible stroker???
 

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SO The engine is a 1989 350 TBI with 4 bolt mains. I am going to strip it down to the short block replace the valve guide seals install them then add my Edelbrock TBI intake manifold, my custom oil pan to fit the frame, motor mounts' oil pump replacement stock just because it's cheap. Then the rear main seal since I have it apart. I figure it's cheap insurance. Then its going back together. I may as well replace the timing chain since I have a new one here. This way I can take a few years to rebuild the 94 350 I previously bought -possible stroker???
Short block? Do you think it needs head gaskets?
 

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1989 Astro RS on a 1998 AWD frame with a 1994 350 TBI
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7,394 Posts
Discussion Starter · #26 ·
Well, the seller said it puffed white smoke when he started it sometimes, I have never done valve seals with the heads installed.
 

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1998 LS AWD Forest Green metallic
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Mark,
For peace of mind; a leakdown test is pretty easy to do on a non-running engine, but.
I think you stated earlier that you heard this one run. If so, then there probably is not much to be concerned about internally. The only thing that might show up could be an oil consumption issue. You stated this was going to be a temporary motor in your van, so again, probably not a significant issue.
"temporary" a fix that is implemented until a more permanent solution is found...or until it breaks permanently and irrepairably!
Rod J
Issaquah, WA
 

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1989 Astro RS on a 1998 AWD frame with a 1994 350 TBI
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Discussion Starter · #31 ·
Mark,
For peace of mind; a leakdown test is pretty easy to do on a non-running engine, but.
I think you stated earlier that you heard this one run. If so, then there probably is not much to be concerned about internally. The only thing that might show up could be an oil consumption issue. You stated this was going to be a temporary motor in your van, so again, probably not a significant issue.
"temporary" a fix that is implemented until a more permanent solution is found...or until it breaks permanently and irrepairably!
Rod J
Issaquah, WA
Yes, it is going to be for about a year -maybe 2 with the way the economy is going. I won't beat on it. too damn expensive to repair.
 

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1989 Astro RS on a 1998 AWD frame with a 1994 350 TBI
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Discussion Starter · #33 ·
The old engine had coolant in the oil pan just from turning it over, so I decided to buy a running engine to drop in till I can rebuild the one I took out, I will drop the block off to the machine shop to see if it's cracked before I spend any more time or money on it. Thanks to everyone for the reply's, Mark
 

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1989 Astro RS on a 1998 AWD frame with a 1994 350 TBI
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Discussion Starter · #34 ·
I got the engine, took the exhaust manifolds, oil pan, timing cover, intake oil pump timing chain and gear all off, cleaned it up a bit and painted the outside. Put a new oil pump, oil pan, intake, timing set on it today. I found out it is not 4 bolt mains but it is a roller engine which means it's all set up for a roller cam. So I will sell or junk the other 350 as is and slowly buy parts to rebuild this one in the future. I really do not need a 4 bolt block either way, so no big deal on that. I should be able to drop it in my van soon, depending on the weather.
 

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1989 Astro RS on a 1998 AWD frame with a 1994 350 TBI
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Discussion Starter · #35 ·
Well I got my engine all back in, but the timing must be off by a tooth. But I should be getting oil pressure, and I am not, so of course I have no fuel coming out either. I am starting to think the new oil pump may be bad? I will try again tomorrow.
 

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1989 Astro RS on a 1998 AWD frame with a 1994 350 TBI
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Discussion Starter · #37 ·
No, but I just found out the 4.3 in the s-10 requires 6 quarts and the oil pan I have is made by adding a 6-inch section in the middle of the 4.3 pan, so maybe I don't have enough oil in it? I bought it custom-made, but the seller never said how much oil it requires. I will prime it tomorrow.
 

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Well,I always pour oil in a pump, before or even after installing. If gonna sit, I use light assembly grease. I never had a fancy cut off distributor to prime, I just used a speed handle with a screwdriver bit, or small drag link bit on the end. Never crank engine to prime, on a empty pump. Yes, oil will not fill the lifter galleys this way, but system will be primed, you can see the oil gushing out the port that is blocked by a distributor, down in the hole. Also, ya, you may not have enough oil especially on a dry pump, and, they can get air locked. Seen a few people had to overfill to get the airlock out.
 

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1989 Astro RS on a 1998 AWD frame with a 1994 350 TBI
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Discussion Starter · #39 ·
Ok so I pulled the dizy used my drill to prime the oil, got it back to TDC then put the dizy back in and with starting fluid it will start for a second, but I still have no fuel and no oil showing up in the line to my self installed oil pressure gauge. Suppose to snow tomorrow, so it may sit til spring unless it melts quickly. I will have to see if oil got up to the rockers to verify if the pump is working, then figure it out from there.
 

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1998 LS AWD Forest Green metallic
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Just an observation, but I am wondering if the tweaking of the oil pickup, to better fit the modified oil pan, may have generated an air leak, so there is no suction at the pickup.
There is not much else between the oil pickup tube and the pump itself, that can leak. I have never installed any oil pump (new or used) without priming it or putting light grease in it before installation. That just sounds like a recipe for trouble later.
Rod J
Issaquah, WA
 
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