Oldsmobile needs help pls read
April 6th, 2015, 08:55 PM
#1
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Join Date: Apr 2015
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Oldsmobile needs help pls read
I have a 87 olds all Original 42 k 7a heads. Took it on interstate and over heated. Now it leaks coolant out the exhaust and looses compression after heated up. No water in oil. I'm looking to buy a rebuilt 350 and use my old parts to finish the build. Would this work and if so any suggestions? Please help
April 7th, 2015, 03:12 AM
#2
Oldsdruid
Join Date: Dec 2007
Location: Southside Vajenya
Posts: 10,299
If it's currently an Olds 307, an Oldsmobile 350 (or 330 or 403) engine it will be a drop-in as the 307 and 350 blocks are externally identical. All the accessories will bolt on too.
Just make sure your transmission can handle the extra engine. A later 200-4R should be OK if you're not romping on it all the time but it will be the weak link in transplanting a larger engine.
Now, if you're thinking Chevrolet 350, that opens a whole new can of worms. It will work, but not as simple or easy as an Olds engine.
Just make sure your transmission can handle the extra engine. A later 200-4R should be OK if you're not romping on it all the time but it will be the weak link in transplanting a larger engine.
Now, if you're thinking Chevrolet 350, that opens a whole new can of worms. It will work, but not as simple or easy as an Olds engine.
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