I need some advice
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Elder User
Joined: Feb 2004
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From: burlington, iowa
I need some advice
heres the deal, pulled my heads they were junk (fairlane heads) , got new heads and installed them (truck heads).
one of my head gaskets got installed backwards ( my dad did this ) needless to say i had a slight water problem. didnt crack anything but did get scratches on all my cylinder walls. and had small tiny shavings all over the inside of the intake. i went out and bought new gaskets again and started reinstalling the intake and heads. the scatches are not bad but they are there. i relize i should go ahead and bore it out and be done with it,but do i have too ? and what should i expect from some cylinder scatches ? also how did this happen? was it just getting hot and did this ? they were perfect before this happened. can i get away with just honing it out without taking it all the way apart ? I really cant find the funds to redo the bottem end, i barely had the funds to do the top end. i know the proper thing to do i am just wondering what i should expect if i dont do it right now. any advice will help from anyone.
1970 ford f250 360 c6
6 years since last rebuild
new heads
new waterpump
intake just gone thru also
one of my head gaskets got installed backwards ( my dad did this ) needless to say i had a slight water problem. didnt crack anything but did get scratches on all my cylinder walls. and had small tiny shavings all over the inside of the intake. i went out and bought new gaskets again and started reinstalling the intake and heads. the scatches are not bad but they are there. i relize i should go ahead and bore it out and be done with it,but do i have too ? and what should i expect from some cylinder scatches ? also how did this happen? was it just getting hot and did this ? they were perfect before this happened. can i get away with just honing it out without taking it all the way apart ? I really cant find the funds to redo the bottem end, i barely had the funds to do the top end. i know the proper thing to do i am just wondering what i should expect if i dont do it right now. any advice will help from anyone.
1970 ford f250 360 c6
6 years since last rebuild
new heads
new waterpump
intake just gone thru also
Last edited by Ratsmoker; Mar 4, 2004 at 05:35 AM.
Post Fiend
Joined: Feb 2001
Posts: 6,624
Likes: 8
From: Missouri
If you can see scratches its time to rebuild it (bore it out). If you don't it probably won't run well. Depending on how the scratches got there in the firstplace you might not be able to bore it to a safe number after a few more thousand miles. You can do a rebuild pretty cheap. Just change the bearings and pistons/rings but you may be doing it again soon. You definitely want to do the oiling mods and get that out of the way.
If the funds are just not there then you can throw it together and see what happens. If this is your only mode of transportation then you really don't have a choice. If its not then I would be letting it set and wait until the funds were there.
If the funds are just not there then you can throw it together and see what happens. If this is your only mode of transportation then you really don't have a choice. If its not then I would be letting it set and wait until the funds were there.
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Elder User
Joined: Feb 2004
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From: burlington, iowa
thanks rat as always you seem to have the answer that i need. I really hate to tear this engine all the way apart right now. my wife has a car too but her life is just as busy as mine. maybe i should just buy another car to use until i can get this done right, such a shame when i saw those scratches, this engine was just rebuilt 4 years ago. since i meationed what caused the problem do you think it was over heating that caused these scratches ? i didnt have my temp gauge hooked up when we were running it, but i did have the oil pressure gauge working and at least i had oil pressure during this. also do you think that honing it out will maybe help ? i relize you cant see what the scratches look like but just in your garage wisdom do you think ? thanks again
Post Fiend
Joined: Feb 2001
Posts: 6,624
Likes: 8
From: Missouri
Its hard to say. If you can feel the scratches with your fingernail then theres no hope of honing that out. Overheating can definitely score the cylinder wall to death.
I was lucky and was appointed to watch and drive my buddies truck while my motor was being built as he was on a remote tour in Korea. A $500 clunker might be a good idea.
You could spend what you have to spend now and get an engine that lasts for a rough 10,000 miles or spend double the amount later and have a 200,000 mile dependable rebuild.
I was lucky and was appointed to watch and drive my buddies truck while my motor was being built as he was on a remote tour in Korea. A $500 clunker might be a good idea.
You could spend what you have to spend now and get an engine that lasts for a rough 10,000 miles or spend double the amount later and have a 200,000 mile dependable rebuild.
Thread Starter
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Elder User
Joined: Feb 2004
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From: burlington, iowa
well darn it all to heck ! I can defintly feel the scratches with my fingernail as well as with my fingers and you can see them too pretty easy, my mom could even see them lol. and she barely knows how to put gas in her car lol. well it looks like i have to tear down this thing all the way now and get it bored out. 1 more question for your highly educated ford mind. when i get the thing bored out, should i go the full monty and have it done .60 over ?
and if i did go that much can i just get new rings for it ? or would i have to replace the pistons ? i got to be real carefull here because if i have to buy new pistons i might get a case of the mightaswells and go ahead and turn it into a 390. so i wlaking a thin line thanks in advance for any and all help you can provide...
and if i did go that much can i just get new rings for it ? or would i have to replace the pistons ? i got to be real carefull here because if i have to buy new pistons i might get a case of the mightaswells and go ahead and turn it into a 390. so i wlaking a thin line thanks in advance for any and all help you can provide...
Lead Driver
Joined: Apr 2001
Posts: 6,175
Likes: 21
From: Texas
Have the machine shop determine how far you have to go. Only go as far as needed to clean up. the power gains from the extra .010 or .020" are negligible and may keep you from a rebuild in the future. Unfortunatley, scrathes you can feel, may be beyond recovery. Sounds like exposed parts of our head gasket got mutilated. Was it previously bored over?
Good news, rebuildable FE blocks are pretty cheap. Just look for a decent 352, 360 or 390 block.
Good news, rebuildable FE blocks are pretty cheap. Just look for a decent 352, 360 or 390 block.
Last edited by gtex; Mar 4, 2004 at 11:21 PM.
Posting Guru
Joined: Jul 2003
Posts: 2,232
Likes: 1
From: Colville, Washington
You will need new pistons no matter how far it is bored. You will prolly find that your pistons are scuffed from overheating and that is what scratched your cylinders. Bad luck. Sorry!
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Elder User
Joined: Feb 2004
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From: burlington, iowa
gtex this block has never been bored, it was rebuilt a few years ago and was in such awesome shape that all they did was run a hone thru it just for the hell of it, and they barely needed that. This is a sad day that i have to now put this awesome engine out to pasture. I spent all last fall doing everything to this engine to make it run excellent. But the heads were off a fairlane and had to be replaced, they were so burnt up. At least all i will need is a block, everything else is new.i even put a new timing chain and water pump on it while i had it part. jeeze
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Thread Starter
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Elder User
Joined: Feb 2004
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From: burlington, iowa
well i am going to end up tearing it all the way out, i think it will clean up at .060, the scratchs are not that bad. i just trying to find a link somewhere where i can get the kit to put it all back togather, as since i got it apart i mightaswell go ahead and turn it into a 390. see rat i told you i would end up getting a case of the mightaswells lol
Post Fiend
Joined: Feb 2001
Posts: 6,624
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From: Missouri
I removed mightaswell from my vocabulary. If I didn't I would have the fastest truck on earth and a mountain of debt so high you could see it from the moon.
If you want to turn it into a 390 the best bet is to go to the junkyard or a machine shop to get the crank and rods. I bought my crank from o'reilleys for a little over $200 and it came with main and rod bearings. It checked good when I plasti-guaged it. I paid the machinist $270 for the rods with ARP bolts, resized and rebushed. I think I paid a little too much there but oh well. I bought the pistons from summitracing. Felpro makes a nice complete rebuild gasket kit. You can get it from the parts store or summitracing.
The only place that I know of that makes kits for the FE is PAW. Some people have gotten some pretty bad machine work from them. One guy here lost a rod becasue it wasn't magnafluxed correctly and had a crack I think.
If you want to turn it into a 390 the best bet is to go to the junkyard or a machine shop to get the crank and rods. I bought my crank from o'reilleys for a little over $200 and it came with main and rod bearings. It checked good when I plasti-guaged it. I paid the machinist $270 for the rods with ARP bolts, resized and rebushed. I think I paid a little too much there but oh well. I bought the pistons from summitracing. Felpro makes a nice complete rebuild gasket kit. You can get it from the parts store or summitracing.
The only place that I know of that makes kits for the FE is PAW. Some people have gotten some pretty bad machine work from them. One guy here lost a rod becasue it wasn't magnafluxed correctly and had a crack I think.
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Elder User
Joined: Feb 2004
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From: burlington, iowa
i got a gasket set from felpro already actully i have two complete sets, so not worried about that. i gonna call summit on moday about pistons and rings, right after i talk to the machine shop again, he was closed today for some reason. i think he might have a 360 \390 or a 410 laying around the shop. i have both a 360 and a 410 laying around our shop but they are kinda for the sprint cars, and i dont think i want to put one of those in my truck. It might be a little hard to explain when the season gets started this summer and the engines are missing lol. probley be pretty easy to tell it was me when i go from 0 to 100 mph in 4.1 seconds lol. plus gas cost too much now imagine buying alcohol to fill your tank jeeze. oh and rat quit sending all that rain up here we got enough already.
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Elder User
Joined: Feb 2004
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From: burlington, iowa
my truck has suffered a fatal blow. not only is my cylinders scratched beyond repair, but now i am pretty sure i got a major crack somewhere. i am pumping out more steam then a electric power plant, i drain my raditor withen minutes. when i try to drive it i pump out a real nice blue haze. so she is dont till i get a new block and heads and start over. such a shame, i had just rebuilt it 3 years ago, all it needed was a valve job and she was brand new again. decided to go with new heads after seeing how bad the old ones were. my father put the gasket on backwards on the drivers blocking the water holes, pretty much turned it into a big hot piece of metal, the pistons got to eat metal gasket parts, my cylinder walls look like an accordian. the rings are shot, the pistons are all chewed up, i think the heads are now cracked, the oil was full of water and metal shavings. it is sad, someone play taps. anyoine got a block and some heads ?