need some advice on engine parts

69rangerf100 · Post by **69rangerf100** » Fri Jan 29, 2010 11:14 pm

i have a 390 and mentioned in my signature
1. what is the best type of freeze plugs to put in the block.
2. best type of aftermarket stock bore
3. best brand for cam bearings.

that what i can think of for right now about to start the rebuild on the engine.

1971ford · Post by **1971ford** » Fri Jan 29, 2010 11:26 pm

freeze plugs... get some brass ones from a local auto parts store. the size is 1 48/64 or its 1 49/64 i forget but it is NOT 1.5 like they might tell you at the store.

After market stock bore?

OldRedFord · Post by **OldRedFord** » Fri Jan 29, 2010 11:33 pm

Maybe he ment "best aftermarket stock bore pistons"

BobbyFord · Post by **BobbyFord** » Sat Jan 30, 2010 12:27 am

Clevite cam bearings.
If you are looking for pistons, I would measure the bore first, I can't imagine that you have a used stock bore that is still within spec.

69rangerf100 · Post by **69rangerf100** » Sat Jan 30, 2010 7:05 am

you are correct OldRedFord i was extremely exhuasted last night when i posted the thread last night

69rangerf100 · Post by **69rangerf100** » Sat Jan 30, 2010 7:07 am

BobbyFord wrote:Clevite cam bearings.
If you are looking for pistons, I would measure the bore first, I can't imagine that you have a used stock bore that is still within spec.

ok dumb question when it come to pistons im clueless how do you measure the bore

BobbyFord · Post by **BobbyFord** » Sat Jan 30, 2010 10:16 am

Assuming that you do not own a bore gauge, you willl have to take the block to an engine rebuilder/machine shop. Most stock bore blocks that I've seen have required a .030" overbore.

69rangerf100 · Post by **69rangerf100** » Sat Jan 30, 2010 12:45 pm

how much and where could i get a bore gauge?

eggman918 · Post by **eggman918** » Sat Jan 30, 2010 12:50 pm

69rangerf100 wrote:how much and where could i get a bore gauge?

Find the closest machine shop go see them about closing time,I bet they will measure them for you for a 6pack if not for free

We did favors for people all the time

BobbyFord · Post by **BobbyFord** » Sat Jan 30, 2010 12:52 pm

Measuring cylinder bores is not as easy as purchasing the tool. You have to know what to measure. You need to be able to measure for out-of-round, bore taper, bore diameter as it pertains to each individual piston, etc. I would recommend taking it to someone who does this sort of thing everyday.
For the price of the tool you could pay someone to do it correctly. JMO.

eggman918 · Post by **eggman918** » Sat Jan 30, 2010 12:57 pm

Bobby Ford is correct it is a task that requires training.
If a shop wont do it for you Cheep they are WIENIES

eggman918 · Post by **eggman918** » Sat Jan 30, 2010 1:22 pm

A smart motor shop would do it for free to gain a little goodwill and your future work

69rangerf100 · Post by **69rangerf100** » Sat Jan 30, 2010 1:26 pm

what is the best way to find an engine shop i have tried several time looking online and the phone book and have come up with no luck at finding one. any help would be much appreciated

fordman · Post by **fordman** » Sat Jan 30, 2010 1:58 pm

any mechanic who rebuilds enignes should have the tool and knowledge. i have no idea who to tell you to go see for the best or a good person who knows what they are doing.

69rangerf100 · Post by **69rangerf100** » Sat Jan 30, 2010 10:41 pm

BobbyFord wrote:Measuring cylinder bores is not as easy as purchasing the tool. You have to know what to measure. You need to be able to measure for out-of-round, bore taper, bore diameter as it pertains to each individual piston, etc. I would recommend taking it to someone who does this sort of thing everyday.
For the price of the tool you could pay someone to do it correctly. JMO.

i appreciate all the help and the engine is definately one part of the project where i want it to be right the first time that what it doesnt cost me later down the road

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