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02-04-2018, 10:34 AM
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#26 |
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Registered User
Join Date: Aug 2009
Location: Bowser
Posts: 13,553
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Re: Number from my 350 ?
Check the stroke.
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02-04-2018, 01:03 PM
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#27 |
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Registered User
Join Date: Dec 2017
Location: west palm beach, Fl
Posts: 4
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Re: Number from my 350 ?
How do I check the stroke?
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02-04-2018, 01:24 PM
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#28 |
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Registered User
Join Date: Aug 2009
Location: Bowser
Posts: 13,553
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Re: Number from my 350 ?
Pull off the oil pan.
Measure how far any piston moves from tdc to bdc. 350 is 3.48. 327 is 3.25. |
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02-04-2018, 05:59 PM
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#29 |
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Registered User
Join Date: Aug 2015
Location: Alcoa;Tn
Posts: 208
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Re: Number from my 350 ?
The crankshaft will have a casting No.on the front throw. Look this No. up on MORTEC or Nasty Z 2/8 sites. Unless you have a head off it would be hard to check stroke length.
__________________
'71 Cheyenne Super LWB - Second Owner in 39 Years! '70 CST/10 SWB - Soon to be Daughter's truck when finished |
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02-04-2018, 10:14 PM
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#30 |
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Registered User
Join Date: Dec 2007
Location: Middleburg, North Carolina
Posts: 480
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Re: Number from my 350 ?
The stroke of the crankshaft is the difference in a 4" block being a 302, 327 or 350.
The numbers on the front of the block just in front of the head may give better information on what was the original cubic inch of the block/engine. The numbers on the back of the block 010, etc. etc was all I ever looked for in the next project. Scott |
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02-05-2018, 09:49 AM
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#31 |
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Registered User
Join Date: Mar 2013
Location: Campbellsville, KY
Posts: 888
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Re: Number from my 350 ?
As scott123 said, see if there are any numbers stamped on a small pad on the block surface at the front of the passenger side head. If they're still there they'll tell what the displacement and original engine application was.
__________________
Alex V. ------ 1967 C10 Suburban, 350/NP435, Green/Green, PS, PB, HD cooling, charging, shocks, and springs. 1985 GMC C3500 SRW, Sierra Classic, 454/TH400, white/blue. |
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02-06-2018, 09:30 PM
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#32 |
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Registered User
 
Join Date: Jan 2011
Location: Chattanooga TN
Posts: 6,208
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Re: Number from my 350 ?
As others have said, yes the 0010 block can be desirable and it builds a nice small block street motor if it's the high nickel block. (010 / 020 behind the timing gear set. You'd have to have the upper timing gear off to be able to see it) I've had both, 2 and 4 bolt variations. Not a bad motor at all, but the pad in front of the passenger head will tell you what it is. Of course if it has been decked and/or possibly rebuilt sometime in the past theres a chance that stamp will be gone.
__________________
Chad 1967 C10 SWB - Project Savannah - 6.0/4L80 *Currently underway* 1968 C10 SWB - TOTY 2018, 50th Anniversary Tribute Project * Sold * Pride and Joy 1986 Silverado Short Fleet - Scarlet *Sold* 1985 Silverado Short Fleet *Sold* 2022 Jeep Gladiator Mojave 2001 Jeep Cherokee XJ 4x4 - Lifted, Built 1992 Jeep Cherokee XJ 4x4 - Lifted 2013 Honda Accord EX-L v6 Coupe 6spd (wife's ride) |
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