327 to 383 - Team Camaro Tech
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post #1 of 9 (permalink) Old Sep 16th, 04, 06:41 PM Thread Starter
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hi!! sitting in the back of my garage is the origial 327 ci.engine that was in my 67 when i bought it ive decided that i want to make a 383 stroker out of it if i can and im not looking to do this in any hurry and want to do as much of it as i can myself so is there a book i can buy that would walk me thru it in english that i can follow thanks guys tony
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post #2 of 9 (permalink) Old Sep 16th, 04, 07:26 PM
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If it's an original 327 from 1967 it has small journal mains and you will not be able to do it. If it's a large journal main block from 1968 or 1969 you can make a stroker out of it as easly as making a stroker from a 350 block. The 327 and 350 of 68 and 69 have the same bore and main journal size but of course the 327 has a different stroke which used a different crank. As I said above it's these two years only that you can make a stroker or 383 from.

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Then, you have enough horsepower."
-Mark Donahue
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post #3 of 9 (permalink) Old Sep 17th, 04, 03:21 AM
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Why can't you fit a stroker crank in the SJ block?

"For those that will fight for it...FREEDOM ...has a flavor the protected shall never know."
Semper Fi! L/Cpl Edwin L. "Tim" Craft, B Co 3rd AT's, Khe Sanh Combat Base, February, 1968
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post #4 of 9 (permalink) Old Sep 17th, 04, 03:36 AM
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why waste a good 327 block?
sell it and you can get a 383 already to go ?


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post #5 of 9 (permalink) Old Sep 17th, 04, 05:38 AM
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67 and older 327's are small main journal blocks. THere is nothing said about the year of the block except it's the 327 that was in it when is was bought. Bought when? is it original? IF it is 67 or older you can not get a stroker crank with the main journal size required to fit the block, at least none that I know of. 68 and up 327's (68 to 69) are all large main journal blocks. Basicly a 350 block with a 307 crank = a 327. So if it's a large journal main block it can be done just as you would stroke a 350. Kinda cool from the stand point numbers on block would say 327 but it's a 383 inside.

Also no waste, it can easly be returned to a 327 just the same as returning one that was orginaly a 350 that was stroked to 383 back to a 350. No mods are made that makes it a stroker for life after it's done.

Joe

"If you can leave black marks on a straight from the time you exit a corner till the time you brake for the next turn.......
Then, you have enough horsepower."
-Mark Donahue
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post #6 of 9 (permalink) Old Sep 17th, 04, 06:16 AM
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If there are no stroker cranks available for the small journal blocks (I have no idea!) it is an easy and inexpensive operation to have your stroker crank turned down on the mains to fit the early block.


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post #7 of 9 (permalink) Old Sep 17th, 04, 06:45 AM
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Speedomotive sells a stroker kit for a SJ 327.

SJ 327 to 383


-Funk



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post #8 of 9 (permalink) Old Sep 17th, 04, 07:28 AM
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Be aware that there may be more clearance work required on the 327 blocks for the rod bolts near the oil pan rail. Someone here local did one using a LJ 327 block and had to do a lot of grinding.

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68 Camaro, E85 powered 427" small block. 9.96 @ 133 MPH, 1.319 sixty foot on motor. 5.92 eighth @ 116 with a 1.42 sixty breaking beams with back tire on the bottle
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post #9 of 9 (permalink) Old Sep 17th, 04, 12:36 PM Thread Starter
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i bought the car in 1975 and i beleave its a 69 327
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