303? id

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Old September 14th, 2008, 03:49 PM
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303? id

I've got an injected olds in my Henry J and am looking to figure out exactly what it is. I was told 303. any help is greatly appreciated.
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Old September 14th, 2008, 06:45 PM
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Give me some casting numbers off the back of the block. I am pretty sure 555614 is an easy ID for a 303. Is that a Hillborn unit you have on the 303?
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Old September 14th, 2008, 07:47 PM
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I'll post all my #s tomorrow after I get out to the shop. Yeah, it's a hilborn set up. It's got a Wilcap adaptor to mount a Muncie and an aluminum flywheel, 12.5/1 comp., an Erson cam...etc. It was supposedly in a '55 Chevy way back when and ran near the 10s(?), it's been on a stand in the guys garage for 25 yrs. It's fresh but I didn't have it done and didn't get alot of info when I bought it. Sorry for the long wind!!!
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Old September 14th, 2008, 08:08 PM
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Another IL guy. Thumbs up.
Where exactly is our armpit?
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Old September 14th, 2008, 09:09 PM
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Hah, White Hall, about 50mi. so. of Springfield.
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Old September 16th, 2008, 07:07 AM
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Sorry for the delay, fought a screaming migraine yesterday. On the pass. side/top of 'bellhousing'-561747, on drivers side just a 9. On both heads upper left corner- 154, upper right-571870, on lower part of pass head on the land-B 261303, on drivers side of block where head meets it theres a land w/R52767.
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