Storm Block????

cjncummins

cjncummins

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Aug 10, 2008
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120
Has anyone ever heard of a storm block? From what i have heard, the storm blocks have 14mm main bolts. I was wondering if this is true,
 
storm blocks are what was used with the 24 valve engines (98-up) and they have the smaller 12mm main bolts.

12 valve blocks are the ones with the 14mm main bolts.
 
Storm stands for

Standard
O/ring
Metric

And can be found in a 12 valve as well. Usually starting from the april build date and has 12mm bolts NOT 14mm.
 
...and they have one extra turbo oil return hole -> good for twins
 
Why do i keep hearing of the 14 mm main bolts?? I have never took a B series apart to date that has 14 mm main bolts....
 
I've had two 12V engines with 14mm mains. Got one apart right now!
 
I have been into 3 now and the current one is an older block with a single drain and 14mm mains.......no casing number on the left side.

Jim
 
I have all of the specs on STORM blocks in a word file. Anyone who would like a copy just PM me your email.
 
apparently i stand corrected, but i have had industrial b series apart ranging in year from 1987-2002 and i don't remember one of them being a 14mm main, was it just an automotive thing?
 
Too many to list. The 50 series should all be STORM. The little numbered Mexican blocks are STORM.
 
From what i have seen first gen engines had one oil drain and 14mm mains, you can also find 14mm mains in early 2d gens. I was allway under the empression that if the engine had one oil drain it should have 14mm mains... ???
 
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