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02-27-2011, 02:44 PM
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#1 |
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Registered User
Join Date: Feb 2009
Location: Kershaw, South Carolina
Posts: 113
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307 ?
I removed the tired old 307 from my 69 the other night and have the rebuilt 350 ready to put in. My question is does the 307 and the 327 have the same crank? I have had several people tell me they want the 307 for the crank. If this is the case I might just sit on it a while instead of selling or giving away.
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02-27-2011, 09:22 PM
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#2 |
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Watch out for your cornhole !
 
Join Date: Jun 2003
Location: Azle, Texas
Posts: 14,162
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Re: 307 ?
The 307 crank is shorter stroke than a 350 crank.
Last year I used a 307 crank in a 350 block which made a nice 4 bolt main 327 engine. I have already gotten another 307 crank on the shelf in my shop waiting for the next engine I build.
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I'm on the Instagram- @Gearhead_Kevin |
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02-27-2011, 09:29 PM
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#3 |
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I dun gradjiated collij!!!
Join Date: Jan 2006
Location: St. Helens Oregon
Posts: 1,751
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Re: 307 ?
TX - what rods and pistons did you go with?
__________________
Built NOT Bought. Viper Red 1971 LWB C10 355 Vortec W/700R4 4/5 drop AKA Screamin' You are missed!
2006 F150 XLT 5.4L Triton Rollin' on 22s the "F1" 67 C20 PS/AC/327/TH400 we call 'er "Bessie" 67 Malibu PS/ZR1-LS1 Brakes/350 Vortec/700R4 2/2 drop on 18" 338s - Tracy's "Boo" Boosted '67 Cougar EFI 5.0 HO roller motor/T5/8.8 Tracloc/ 4 wheel disks - "Project Panther" 79 Honda Z50 - stretched, cafe'd and hotrodded 125CC Lifan/5spd FEAR THE MONKEY! |
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02-27-2011, 09:47 PM
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#4 |
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Watch out for your cornhole !
Join Date: Jun 2003
Location: Azle, Texas
Posts: 14,162
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Re: 307 ?
Cheap Scat rods and Hyperutectic 327 (4.030 bore) pistons from Summit.
 
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I'm on the Instagram- @Gearhead_Kevin |
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02-28-2011, 01:25 AM
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#5 |
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Registered User
Join Date: Jan 2003
Location: Safford,AZ
Posts: 3,622
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Re: 307 ?
You can use the 307 crank AND RODS in the 350 block to make a 327.
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1969  307, t3501950 Chevy Wagon 1978 Big 10 1967 C10, 250,3-OTT |
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02-28-2011, 04:40 PM
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#6 |
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Registered User
Join Date: Jan 2011
Location: Chattanooga, TN
Posts: 2,165
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Re: 307 ?
Yes, a 307 and 327 crank are the same. (all 307 are large journal, while 327 is small journal except 1968 and heavy truck) The internal balance is a bit different, but if you have it balanced it will be fine. Kinda the same thing with a 305 and a 350. Same stroke, but mixed results if you don't rebalance the assembly.
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'83 K20-TPI '73 C10 '79 C10-ex-diesel(SOLD) '07 Tahoe(Son driving) '14 Suburban-DD '71 C10-current project |
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