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7 members (Goach2, Donf, Rusted Nut, Bill Hanlon, JW51, BC59, 1 invisible),
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Mod | | | Forums66 Topics128,176 Posts1,057,122 Members48,463 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
| | | | Joined: Dec 2013 Posts: 47 'Bolter | | 'Bolter Joined: Dec 2013 Posts: 47 | Howdy all!
Getting closer to installing my 383 stroker (dressed up to look "283") in my 59 Suburban. My question is:
A) the 2 heater hose fittings on the firewall, as one is standing looking aft, right or left, which fitting takes the hose from the intake manifold and which one takes the hose from the water pump?
B) I don't find heater maintenance data in the 58 shop manual. Would it be in the 59 supplement? Or the 59 accessory manual?
I'm using 1/2 in NPT x 3/4 nipple and 3/4 hoses on both.
Greatly appreciate all assists!
Thanks! Maddog
| | | | | Joined: May 2017 Posts: 100 'Bolter | | 'Bolter Joined: May 2017 Posts: 100 | It really dose not mater which one goes where.Will work fine either way. I put the hose from water pump closet to fender.
!956 Gmc Napco 4x4 Factory line built .
| | | | | Joined: Dec 2013 Posts: 47 'Bolter | | 'Bolter Joined: Dec 2013 Posts: 47 | Great! Really appreciate your reply.
| | | | | Joined: Jun 2004 Posts: 8,597 Riding in the Passing Lane | | Riding in the Passing Lane Joined: Jun 2004 Posts: 8,597 | The hose sizes are 5/8 in. If one tube is lower than the other, it hooks to the manifold. If it has a shutoff valve it hooks to the manifold. Some models have 3/4 hose on the return tube. If so use 3/4 nipple in the water pump.
George
They say money can't buy happiness. It can buy old Chevy trucks though. Same thing. 1972 Chevy c10 Cheyenne SuperIn the Gallery Forum | | | | | Joined: Sep 2004 Posts: 221 Shop Shark | | Shop Shark Joined: Sep 2004 Posts: 221 | Hello, I have a 59 as well. Best of luck. | | |
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