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Block Clearancing for Stroker Crank


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#1 TempesT

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Posted 01 September 2009 - 09:35 PM

For those seeking info on Block Clearancing for Stroker Crank's be it for a 355 or 383 here is a little vid I came across.



Having done this myself its a pretty good indication of what needs to be done despite being a ls7 not a 304/308.

jim

#2 _beergut_

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Posted 02 September 2009 - 11:16 PM

got a pic of a 355?
mine looks modded the same way but got 308 stamped on the crank?
also got 5.7" rods but might b out as hard to measure

#3 _rorym_

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Posted 03 September 2009 - 07:40 AM

Attached File  a069-12.JPG   26.2K   49 downloads
This is a VS block
R

#4 TempesT

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Posted 03 September 2009 - 09:41 AM

Here is the work done on Herne's block by Struggler:
Posted Image

Here is the first cylinder done on mine prior to cleaning it up:
Posted Image

This is why it is done:
Posted Image
Posted Image
note it is the opposing rod’s bolt that fowls the outer cylinder wall.

The opposite bank:
Posted Image
Posted Image

The crank and c/r will determine how much metal needs to be removed, some require more than others. I run a scat crank and A9l rods.
Beer gut you may have a Vs block that has factory clearancing for a stroker crank as posted above?

jim

Edited by TempesT, 03 September 2009 - 09:47 AM.


#5 _rorym_

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Posted 03 September 2009 - 04:55 PM

got a pic of a 355?
mine looks modded the same way but got 308 stamped on the crank?
also got 5.7" rods but might b out as hard to measure


My VN 304 had 308 on the crank...show us a pic of the block, as said.you may already have it..check the VS block above.
R

#6 antelopeslr5000

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Posted 03 September 2009 - 05:34 PM

Close up of VS V8 bore (clearance for 5.7L).

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#7 _beergut_

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Posted 03 September 2009 - 10:34 PM

Close up of VS V8 bore (clearance for 5.7L).

not vs as is red block suspect it,s vb as engine no starts wit v
anyway photo is attached




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