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#61725 06/14/2006 12:20 AM | Joined: Jun 2006 Posts: 4 'Bolter | | 'Bolter Joined: Jun 2006 Posts: 4 | I've got several sources for V8 numbers, but I've got several unlabeled six-cylinder cranks that I need to id so someone can adopt them.
Anybody got a list, or know a source?
Thanks
Wild Turkey
"If your only tool is a hammer, you tend to see every problem as a nail"
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#61726 06/14/2006 1:37 AM | Joined: Apr 2006 Posts: 506 Shop Shark | | Shop Shark Joined: Apr 2006 Posts: 506 |
-Tom
1950 Chevy 3100 w/ 1956 235
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#61727 06/14/2006 3:39 AM | Joined: Mar 2005 Posts: 75 Member | | Member Joined: Mar 2005 Posts: 75 | post the numbers and see if we can help with them. | | |
#61728 06/14/2006 1:53 PM | Joined: Jun 2006 Posts: 4 'Bolter | | 'Bolter Joined: Jun 2006 Posts: 4 | Oilrag, that looks interesting. I'll pull those numbers this evening. Here's some of the numbers (can't id maker on these): 212 21355416 2191127 4095246 414699 3876802 3820618 3855914 These are part of a truckload of unclaimed cranks from a closed machine shop. I've got everything from an inline 8 to a Caterpillar 2-cylinder :confused: Right now I'm just trying to get a reliable list of numbers so I can put these poor cranks up for adoption 
Wild Turkey
"If your only tool is a hammer, you tend to see every problem as a nail"
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#61729 06/15/2006 11:27 PM | Joined: Apr 2006 Posts: 159 Shop Shark | | Shop Shark Joined: Apr 2006 Posts: 159 | Wild Turkey , I made some of the castng out but others I wasn't so lucky.You might give me some more information if possible .I believe the 2nd number 21355416 should be a 2135416.
212- I can not identify
21355416-GM
2191127-GM
4095246-Chrysler 3.7/225 L6
414699 -?
3876802-GM 4.1/4.6 L6
3820618-GM 215 Pontiac or a 230 GM
3855914-GM / Pontiac
In the works 2006 GEN III 6.0 /4L80E/ 205 New process,A/C and power brakes .
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#61730 06/17/2006 4:12 AM | Joined: Apr 2006 Posts: 506 Shop Shark | | Shop Shark Joined: Apr 2006 Posts: 506 | 2191127 - 1939-52 248-236-228 Cu. in. GMC
2135416 - 1942-53 270 Cu. in. GMC
3820618 - 1962-70 230-194 Cu. in. Chevy Pass & Truck
1963-70 230-194 Cu. in. GMC
1964-65 215 Cu. in. Pontiac
1965-66 230-194 Cu. in. Studebaker
3855914 - 1963-66 292 Cu. in. Chevy Truck & GMC, 7/16" bolt holes.
3876802 - 1966-74 250 Cu. in. Chevy Pass. & Truck, GMC & Oldsmobile, crankneck 1.2465
1968-74 250 Cu. in. Pontiac O.H.C.
-Tom
1950 Chevy 3100 w/ 1956 235
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#61731 06/28/2006 3:12 AM | Joined: Jun 2006 Posts: 4 'Bolter | | 'Bolter Joined: Jun 2006 Posts: 4 | Thanks for the help -- but that raises a follow-up question: were all the cranks with the same casting number ( 2191127 ) forged?
I've confirmed one is forged, but there are several others I haven't checked.
It seems from what I've seen that cast and forged cranks would generally have different numbers, but I'm wondering.
Wild Turkey
"If your only tool is a hammer, you tend to see every problem as a nail"
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#61732 06/29/2006 2:04 AM | Joined: Apr 2006 Posts: 506 Shop Shark | | Shop Shark Joined: Apr 2006 Posts: 506 | Listed as "crank forging" #'s.
1939-52 had Dome Pistons, 5/8"
Block casting # for the 228 CI is 6107326.
Block casting # for the 248 CI is 6107328.
Both used crank forging # 6107342 or 2191127.
Both used head casting # 2136477 or 6107412.
1953 -248 CI had Flat Pistons. Same block, same crank forging #, head casting # 2194819.
-Tom
1950 Chevy 3100 w/ 1956 235
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