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Members Rides / Re: 1979 C10 Custom Deluxe SWB. Unique factory truck?
« Last post by dine73ss on Today at 05:04:31 AM »
Thanks. Haven't opened up the rear end yet to change fluid but guessing to be the standard  HE3 3.08 gears since the HE4 3.42 wasn't on the invoice sheet. Plans are to upgrade to 3.42 posi when the BBC goes in.
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Members Rides / Re: 1979 C10 Custom Deluxe SWB. Unique factory truck?
« Last post by Jason S on January 19, 2019, 10:59:41 PM »
Welcome!

I'd say it's unique just from the interesting combination of options.   The MSRP on the options is enlightening, especially if you figure in 1979 versus present day dollars.

What gear ratio in the rear end?
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73-87 Chevy & GMC Trucks / Need help with parts!!
« Last post by Big_Red86 on January 19, 2019, 10:06:33 PM »
Hello
I have a 1986 K30 with 454 swap
The truck originally came with a 350 auto trans now I have a 454 SM465(previous owner did swap)
I was wondering:
Is there a wiring harness that someone makes for the 454 swap?
(I have random wires hanging everywhere and wanted to clean it up)
Does anyone make bumpers with tow hooks in them besides the cucv/Army truck?
Anyone have any LED bars in there grill or any other spot besides on a roll bar or the roof?

Thanks
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73-87 Chevy & GMC Trucks / Re: newb needs direction
« Last post by DnSherrill on January 19, 2019, 08:21:14 PM »
update...
the 350 block was bored 0.030 with sealed power new pistons and GM powder rods, using the large valve heads from a 74 (3998920, 1.94/1.5) should end up with about 9.4:1...the cam is a hydraulic flat tappet  Elgin Black Ice ELGICE 200903, identical to GM pn 3863151, lift 0.447/0.447 with 1.5 rocker arms; duration 223/223 @ 0.50....
question:
should I stick with stamped steel 1.5, or should I consider going up to 1.6 roller tip or stamped steel?

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Engine/Drivetrain / Vibration at 3000 RPM
« Last post by JohnnyPopper on January 19, 2019, 07:57:15 PM »
1978 K-10, 350, 4BBL, TH350, NP203.

I toasted my original 350 last month, I have a used but fresh crate 350, had it installed by a local dismantle / repair shop.

Took delivery, ran fine, good power. Developed issues with the part time 4x4 conversion kit they installed.

Got that resolved, but on driving it home, realized a serious vibration at 3K RPM.

Figured the rear drive shaft had given up, had a new one built.

Same vibration.

Then I realized it's not the drive train- I get the same vibration in park, in Neutral, no connection to the drive train.

Now, I paid these guys good to do the original work, but their fixing the Transfer case was on them,  I have sneaking hunch there was some payback. Maybe I'm being paranoid...

So I will release tension on all the belts when she is cold, rev up to 3K to see if it still there, if it is not, I will look at each driven component.

If it is, I guess I can see if someone hung a weight on one of the 3 flex plate bolts.

I thought too that maybe the distributor might have moved.

Any other places to look?

Thanks in advance for your help.

 
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I don't think you will ever bolt on a set of headers that will mate up to factory exhaust without fabrication. Nevertheless, it doesn't mean you can't easily make it work.
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General Discussion / Re: 1989 chevy tbi troubles
« Last post by Irish_Alley on January 19, 2019, 05:44:40 PM »
He placed second, first place had 12 wins and he had 9. His fastest time was 3.13. I need to make it faster but I don't know what I'm doing and it was our first derby. Added more graphite before the championship races and his time did drop a  few thousands. But it might of just been how he was sitting the car on the track.

But anywho time to get back to working on trucks
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Hey Gents, sorry if this has been asked elsewhere. I am seriously looking at buying a 1984 C10 with a 350 as my next project. I have a set of shorty headers from a 90 k1500, that also had a 350 in it. The exhaust on the c10 has been replaced (cat deleted), and is in good shape, with the stock y pipe, back to the muffler being new. I Would like to put the headers  on without ruining a good exhaust. Will I have any fitment issues? Thank you very much!

Ed
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Welcome / Re: New guy from PA
« Last post by Irish_Alley on January 19, 2019, 01:53:38 PM »
im glad the county i live in CA. doesnt have emissions. and one inspections and youre done for the life of the vehicle as long as you keep tags on it and it stays in your name.
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General Discussion / Re: 1989 chevy tbi troubles
« Last post by Irish_Alley on January 19, 2019, 01:38:59 PM »
he ended up placing 1st in his den. 3.167 was his lowest time most of the other cars were 3.2??, we're going back in a couple hours to race the winners from other dens. and its up to him if he wants to go to districts, and of course he does lol.
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