57 chevy 3100 - The 1947 - Present Chevrolet & GMC Truck Message Board Network

sammytued · 10-18-2005, 02:50 PM

I wanted to know if the frames are the same on a 1955 100 series and a 1957 3100 series.
Thanks

qksilver · 10-18-2005, 08:31 PM

You are talking about an early 55, I can't remember the name of the series. If yes, the early 55 and the 57 are different.
Steve

DennyB · 10-20-2005, 11:18 PM

Welcome to the boards sammytued.
If you ment the '55 second series "3100" being the same as the 1957 3100, the differences are very minor (I cant find my assembly manual).
These should swap with little to no modifications.
The '55 first series is a completely different animal.

ChargerBill · 10-26-2005, 08:52 PM

'55 to '57 second series frames will all interchange. '58 - '59 frames are longer, but will still work as a '55 - '57 frame if you lop a few inches off the front of the frame. '55 first series frames will not work for any second series '55 - '59 pickup.

Norselander · 10-27-2005, 01:53 PM

No, they are not the same. Within the TF series (late '55-'59), the primary difference between GMC and Chevrolet frames is the front crossmember. Otherwise they are nearly identical and bodywork from either a GMC or a Chevy will bolt to either chassis (may need to obtain/remove the Chevrolet radiator/front fender support frame bracket)...

PHOTO HERE

10-18-2005, 02:50 PM	#1
sammytued Registered User Join Date: Oct 2005 Location: missouri Posts: 3	57 chevy 3100 I wanted to know if the frames are the same on a 1955 100 series and a 1957 3100 series. Thanks

10-18-2005, 08:31 PM	#2
qksilver Senior Member Join Date: Dec 2004 Location: Southern Pines NC Posts: 3,853	Re: 57 chevy 3100 You are talking about an early 55, I can't remember the name of the series. If yes, the early 55 and the 57 are different. Steve

10-20-2005, 11:18 PM	#3
DennyB Led Sled! Discs R 4 ME! Join Date: Jan 2001 Location: Toms River, NJ, USA (Transplanted Hoosier) Posts: 7,327	Re: 57 chevy 3100 Welcome to the boards sammytued. If you ment the '55 second series "3100" being the same as the 1957 3100, the differences are very minor (I cant find my assembly manual). These should swap with little to no modifications. The '55 first series is a completely different animal. __________________ "Never ride faster than your Angel can fly" I.M.O.M,W,J&C Patriot Guard Rider

10-26-2005, 08:52 PM	#4
ChargerBill Registered User Join Date: Apr 2003 Location: Northern California Posts: 27	Re: 57 chevy 3100 '55 to '57 second series frames will all interchange. '58 - '59 frames are longer, but will still work as a '55 - '57 frame if you lop a few inches off the front of the frame. '55 first series frames will not work for any second series '55 - '59 pickup. __________________ 1956 Chevy Custom Cab 1978 Chevy K5 Blazer 2002 4X4 Silverado 1969 Dodge Charger 1968 Dodge Charger Last edited by ChargerBill; 10-26-2005 at 08:53 PM.

10-27-2005, 01:53 PM	#5
Norselander Clunker Farm, Proprietor Join Date: Oct 2003 Location: Coastal Northern California Posts: 124	Re: 57 chevy 3100 No, they are not the same. Within the TF series (late '55-'59), the primary difference between GMC and Chevrolet frames is the front crossmember. Otherwise they are nearly identical and bodywork from either a GMC or a Chevy will bolt to either chassis (may need to obtain/remove the Chevrolet radiator/front fender support frame bracket)... PHOTO HERE __________________ Drew Chief Junk Jockey

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