rear end code translation needed - The 1947 - Present Chevrolet & GMC Truck Message Board Network

paintpyro · 04-17-2002, 09:46 AM

I finally got to scrubbin the crud off my rear end (theres a setup for you guys if I ever heard one). Here is the number HE 704W. Anyone know what it is?

**Classic Heartbeat** · 04-17-2002, 09:58 AM

Well it is the first letters that will allow us to identify the rear, in this case you gave HE, however I can't find that combo in my book. 1967, 1968, 1969 were the only years that used a 2 letter ID code and 1970, 1971, 1972 all used a 3 letter code. Are you sure that is not HB or something? That would be a 67, 68, or 69 1/2ton rear with 3.07 ratio. WES www.ClassicHeartbeat.com

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paintpyro · 04-17-2002, 10:04 AM

Wes, Im pretty sure, Ill check again when I get home, but I definitely wanted to make sure I got it right. It would suprise me if it was an earlier rear end, this thing was 100% mickey moused when I bought it, you should see the birds nest of wiring Ive pulled out. But Im def not driving a 3.07, I wish I was. Any idea on the W at the end?

JJR · 04-17-2002, 10:04 AM

Hollanders shows HE as a 3.73 non-posi rear end out of a 65 C-10 which will fit in a 67-70 truck. Someone must have replaced the rear end at some time if the code is truly HE.

paintpyro · 04-17-2002, 10:11 AM

Thanks for the help guys,I was pretty sure thats what I was lookin at. Back to the hunt for a 3.07.

**Classic Heartbeat** · 04-17-2002, 10:25 AM

According to the book JJR is right, HE is a 1965 C15 3.73 ratio rear end. The 704 is the date code 7th month (July), 04 is the 4th day and the W means it was built in the Warren facility. Hope this helps. WES www.classicHeartbeat.com
------------------
Click (Here) to visit our on-line catolog.
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72 BB Chevy Blazer
72 BB Chevy Short Fleet
72 SB 3/4 Ton 4X4
72 SB 1/2 Ton SWB 4X4
70 BB Chevy Short Step
70 SB Chevy Short Fleet
69 SB Chevy Short Step
68 SB Chevy Short Step
68 BB GMC Long Fleet
67 GMC 1/2 ton Panel
"Founder" Classic Heartbeat Pickup Club
Olympia, Washington's "Home For Wayword Chevys" www.ClassicHeartbeat.com

[This message has been edited by WES (edited April 17, 2002).]

04-17-2002, 09:46 AM	#1
paintpyro Registered User Join Date: Aug 2001 Location: Santa Fe Springs, CA,USA Posts: 1,579	rear end code translation needed I finally got to scrubbin the crud off my rear end (theres a setup for you guys if I ever heard one). Here is the number HE 704W. Anyone know what it is? __________________ 70 shortbed stepside "Schleprock" 350 w/TH400 rallys and BFGs -We can rebuild it, we have the technology-lower,shinier,faster

04-17-2002, 09:58 AM	#2
Classic Heartbeat Project Junkie! Fishing Poor!! Join Date: Dec 1999 Location: Olympia,Wa. 98512 Posts: 10,766	Well it is the first letters that will allow us to identify the rear, in this case you gave HE, however I can't find that combo in my book. 1967, 1968, 1969 were the only years that used a 2 letter ID code and 1970, 1971, 1972 all used a 3 letter code. Are you sure that is not HB or something? That would be a 67, 68, or 69 1/2ton rear with 3.07 ratio. WES www.ClassicHeartbeat.com ------------------ Click (Here) to visit our on-line catolog. E-mail me WEHEPP@attbi.com 72 BB Chevy Blazer 72 BB Chevy Short Fleet 72 SB 3/4 Ton 4X4 72 SB 1/2 Ton SWB 4X4 70 BB Chevy Short Step 70 SB Chevy Short Fleet 69 SB Chevy Short Step 68 SB Chevy Short Step 68 BB GMC Long Fleet 67 GMC 1/2 ton Panel "Founder" Classic Heartbeat Pickup Club Olympia, Washington's "Home For Wayword Chevys" www.ClassicHeartbeat.com __________________ On-line catolog Classic Heartbeat Pickup Parts WEHEPP@comcast.net Call us Toll Free (888) 338-2502 Like Us on Facebook No appointment necessary. 72 BB Chevy Custom Deluxe / Custom Camper 67 I-6 (Soon to be 5.7 LS1) Panel 68 BB Chevy Short Bed 72 6.0 LQ9 Short Bed Chevy 4X4 Olympia's fastest growing truck parts supplier. Olympia's home for Wayward Chevys

04-17-2002, 10:04 AM	#3
paintpyro Registered User Join Date: Aug 2001 Location: Santa Fe Springs, CA,USA Posts: 1,579	Wes, Im pretty sure, Ill check again when I get home, but I definitely wanted to make sure I got it right. It would suprise me if it was an earlier rear end, this thing was 100% mickey moused when I bought it, you should see the birds nest of wiring Ive pulled out. But Im def not driving a 3.07, I wish I was. Any idea on the W at the end? __________________ 70 shortbed stepside "Schleprock" 350 w/TH400 rallys and BFGs -We can rebuild it, we have the technology-lower,shinier,faster

04-17-2002, 10:04 AM	#4
JJR Registered User Join Date: Apr 2000 Location: Leesburg, GA Posts: 746	Hollanders shows HE as a 3.73 non-posi rear end out of a 65 C-10 which will fit in a 67-70 truck. Someone must have replaced the rear end at some time if the code is truly HE. __________________ FOUNDING MEMBER OF THE DRUM BRAKE CLUB Second Owner 70 C-10 Second Owner 93 GMC C1500 Third Owner 99 C2500 Crew Cab Short Bed

04-17-2002, 10:11 AM	#5
paintpyro Registered User Join Date: Aug 2001 Location: Santa Fe Springs, CA,USA Posts: 1,579	Thanks for the help guys,I was pretty sure thats what I was lookin at. Back to the hunt for a 3.07. __________________ 70 shortbed stepside "Schleprock" 350 w/TH400 rallys and BFGs -We can rebuild it, we have the technology-lower,shinier,faster

04-17-2002, 10:25 AM	#6
Classic Heartbeat Project Junkie! Fishing Poor!! Join Date: Dec 1999 Location: Olympia,Wa. 98512 Posts: 10,766	According to the book JJR is right, HE is a 1965 C15 3.73 ratio rear end. The 704 is the date code 7th month (July), 04 is the 4th day and the W means it was built in the Warren facility. Hope this helps. WES www.classicHeartbeat.com ------------------ Click (Here) to visit our on-line catolog. E-mail me WEHEPP@attbi.com 72 BB Chevy Blazer 72 BB Chevy Short Fleet 72 SB 3/4 Ton 4X4 72 SB 1/2 Ton SWB 4X4 70 BB Chevy Short Step 70 SB Chevy Short Fleet 69 SB Chevy Short Step 68 SB Chevy Short Step 68 BB GMC Long Fleet 67 GMC 1/2 ton Panel "Founder" Classic Heartbeat Pickup Club Olympia, Washington's "Home For Wayword Chevys" www.ClassicHeartbeat.com [This message has been edited by WES (edited April 17, 2002).] __________________ On-line catolog Classic Heartbeat Pickup Parts WEHEPP@comcast.net Call us Toll Free (888) 338-2502 Like Us on Facebook No appointment necessary. 72 BB Chevy Custom Deluxe / Custom Camper 67 I-6 (Soon to be 5.7 LS1) Panel 68 BB Chevy Short Bed 72 6.0 LQ9 Short Bed Chevy 4X4 Olympia's fastest growing truck parts supplier. Olympia's home for Wayward Chevys

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