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Old 02-10-2018, 03:17 PM   #51
C10_ustacould
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Re: Old Girl (aka Project Underhaulin)

I have a question about cooling. Before installing the Edelbrock water pump included with the Tru-Trac system the temp ran dead center on the gauge. now it spends most of its time on the right side of the gauge, basically at the upper limit of the normal gauge. We have the fans configured to come on at 180 and off a 170* but the fans never turn off. So I'm left with a quandary, is the new cooling system inefficient, is the gauge not reading correctly because I disconnected the ammeter, or do I need to put a 160* thermostat in it? I'd love to hear thoughts from folks that have experience with the Tru-Trac system. Thanks in advance.

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1968 SWB Fleet Side 503 Light Green
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Old 02-10-2018, 05:37 PM   #52
a.c.ward
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Re: Old Girl (aka Project Underhaulin)

i drilled a series of 5 or 6 3/16 holes in the thermostat to allow steam and extra water flow when the engine is warming up in a customers car that had the tru trac system just to keep the temps out of the red zone. BTW used a 160 thermostat new from summit, jarden high flow replacement, not the average $5 parts store special..

thanks for keeping ol girl alive and honoring the memory
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Old 02-11-2018, 03:19 PM   #53
C10_ustacould
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Re: Old Girl (aka Project Underhaulin)

I have a dilemma. I installed all the correct components for the e-brake system but the cable is too short. The only thing that isn't factory is the 11" x 2.75" rear brakes. I think the issue is the horizontal brake bar (gold piece in the picture) is pushing the parking brake lever too far back which retracts the cable farther than the stock 11" x 2' brakes. Does anyone have experience with this?

I had this setup on my green '68 stepper and it worked fine, not sure why this doesn't work.

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Old 02-13-2018, 08:29 PM   #54
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Re: Old Girl (aka Project Underhaulin)

Buck, the only thing I see missing is the little "star" wheel brake adjuster at the bottom.

Also, on the higher engine temp - did you mount the temp gauge in the intake manifold or the head? I have found that gauges mounted in the heads usually indicate a hotter temp.

Nice work getting this truck up and going. I love the attention to detail in your trucks. Good luck man.

POP
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Old 02-13-2018, 10:12 PM   #55
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Re: Old Girl (aka Project Underhaulin)

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Buck, the only thing I see missing is the little "star" wheel brake adjuster at the bottom.

Also, on the higher engine temp - did you mount the temp gauge in the intake manifold or the head? I have found that gauges mounted in the heads usually indicate a hotter temp.

Nice work getting this truck up and going. I love the attention to detail in your trucks. Good luck man.

POP
The self adjuster is there, you just can't see it in the picture. The temp gauge sender wasn't moved which is why i'm puzzled with the rise in running temp. I'm going to try and get a vacuum fill tool and see if there's still air in the system, only 35 miles or so since the install. Thanks for the kind words, we're doing our best.
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Old 02-14-2018, 09:38 PM   #56
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Re: Old Girl (aka Project Underhaulin)

Do you have the CCW rotation water pump? Looks like that serp setup will spin the pump backwards. It's the only obvious thing I could think of.

Looking good!
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Old 02-14-2018, 10:10 PM   #57
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Re: Old Girl (aka Project Underhaulin)

hey there brother. love the pickup. i am going to do the 506 medium blue also this march

i'm nobody to offer advise to you guys but i changed my temp sending unit to the Letric Limited sensor a lot of guys are recommending. my temp gauge would peg hot and my temp gun read 195-ish. changed it out and gauge reads in the middle

like i said, i'm as smart as my avatar looks.....hahaha
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Old 02-16-2018, 07:04 PM   #58
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Re: Old Girl (aka Project Underhaulin)

For Front End Friday...

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Ellie SOLD

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Old 02-16-2018, 07:27 PM   #59
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Re: Old Girl (aka Project Underhaulin)

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Old 02-16-2018, 10:03 PM   #60
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Re: Old Girl (aka Project Underhaulin)

It's looking great
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Old 02-17-2018, 12:44 PM   #61
CG
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Re: Old Girl (aka Project Underhaulin)

This is such a nice truck, perfect look. Glad to see its getting all the kinks ironed out. I will be sad though when you put the big bling wheels and tires on it. I'm saving all the pics posted of it in this form.
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Old 02-17-2018, 03:36 PM   #62
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Re: Old Girl (aka Project Underhaulin)

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Thanks brutha! Your Blazer is coming along well, hope Brandi is well after her tumble. Too bad you didn't have a gold medal to give her since the Olympics are going on and all. Don't tell her I said that, she'll sic Ratchet on me!!

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It's looking great
Thanks Ol Blue!

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This is such a nice truck, perfect look. Glad to see its getting all the kinks ironed out. I will be sad though when you put the big bling wheels and tires on it. I'm saving all the pics posted of it in this form.
Thanks, I like the white wheels too but it isn't my truck so...
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1971 SWB Fleet Side 521 White
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Old 02-17-2018, 06:32 PM   #63
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Re: Old Girl (aka Project Underhaulin)

I like the look.
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Old 02-22-2018, 08:05 PM   #64
C10_ustacould
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Re: Old Girl (aka Project Underhaulin)

Time for an update and some pictures. We got the temperature under control!! We bought a funnel that connects in place of the radiator cap and allows you to initially overfill the radiator, as the thermostat opens it allows the air to escape and the extra coolant to flow into the system. The thermostat was a 195, we swapped it for a Mr. Gasket hi-flo 180 and set the fans to come on at 195 and turn off at 185. This setup seems to work well and the fans actually don't run much, unless the truck is idling for a while, but the fans pull the temp down quickly. While we were at it we installed a overflow line using the same Russell Pro Classic hose and black AN fittings and hose ends we used for the transmission cooler lines as well as a black Billet Specialties radiator cap. Sunday morning we took the ZL1 and the C10 to a monthly cruise we do with some old friends, the Old Girl did great and we were lucky to have Hart_Rod join us in his Super Burb.

On the to-do list we have a rear disc brake kit and adjustable proportioning valve.

New Rad cap and overflow hose...
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The boy and his girl heading to a cruise-in...
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The Old Girl and Super Burb...
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The boy let me drive the Old Girl to work today.
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1968 SWB Fleet Side 503 Light Green
Ellie SOLD

1965 SWB Fleet Side 507 Light Blue
Prescription Strength SOLD

1971 SWB Fleet Side 521 White
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1968 SWB Step Side 503 Light Green
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Old 02-22-2018, 09:33 PM   #65
Advanced Design
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Re: Old Girl (aka Project Underhaulin)

Looks like good times! And weather way nicer than here....
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Old Yesterday, 01:16 PM   #66
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Re: Old Girl (aka Project Underhaulin)

Has that truck got the early rear housing in it? To me (just saying) its begging for some Bonneville Gs, and bags. .. Just me, But you know how I am.
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Old Yesterday, 07:07 PM   #67
C10_ustacould
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Re: Old Girl (aka Project Underhaulin)

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Looks like good times! And weather way nicer than here....
Sorry for your bad weather, we've had a lot of rain lately so we'll enjoy the sunshine while we can.

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Originally Posted by CC69Rat View Post
Has that truck got the early rear housing in it? To me (just saying) its begging for some Bonneville Gs, and bags. .. Just me, But you know how I am.
It's got the longer '72 rear end in it. No money for Bonneville G's so a set of 20" Billet Specialties Speedways will have to do.
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1968 SWB Fleet Side 503 Light Green
Ellie SOLD

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1971 SWB Fleet Side 521 White
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1968 SWB Step Side 503 Light Green
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