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Author Topic: Is the block the same on 1986 carb 350 and 1987 TBI 350?  (Read 2709 times)

Offline 87 Wrangler

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Is the block the same on 1986 carb 350 and 1987 TBI 350?
« on: November 02, 2014, 07:33:03 pm »
I am going to pick up an 86 c20 parts truck tomorrow, has a carb 350 with only 150000km on it. Looking to use the short block to build my vortec 350 TBI motor for my 87 r20. Just unsure if the short block /bottom end is the same and can be used for a fuely. Heads and intake are obviously different but don't matter in this case as I'm pulling them anyway. Any ideas info guys? Things got a bull low 4spd man too that I'm just gonna pull and sell.
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Offline jaredts

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Re: Is the block the same on 1986 carb 350 and 1987 TBI 350?
« Reply #1 on: November 02, 2014, 08:06:13 pm »
That block should do everything you need.  You'll have to get a block off plate if you want to take the mechanical fuel pump off.
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Offline 87 Wrangler

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Re: Is the block the same on 1986 carb 350 and 1987 TBI 350?
« Reply #2 on: November 03, 2014, 01:49:50 am »
Great thanks, I was pretty sure it would work but was specifically wondering about the pump like you said. Didn't know you could just plate it off. Should be a 4 bolt main block, 8600 Gvwr truck I believe
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Offline 78BIG-TEN

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Re: Is the block the same on 1986 carb 350 and 1987 TBI 350?
« Reply #3 on: November 15, 2014, 10:59:22 am »
Only other ting I would check is at the rear main seal,make sure they are the same kind
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Offline 87 Wrangler

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Re: Is the block the same on 1986 carb 350 and 1987 TBI 350?
« Reply #4 on: November 15, 2014, 04:58:24 pm »
Ok thanks il have a look
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