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Old 06-10-2014, 08:20 AM   #1
Flatpat
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Re: 1987 GMC V1500 Sierra Classic LS swap/build

Shouldn't need adjustable mounts then. I say if you can make your own, why not? Or use the diy4x plates. I heard nothing but good things about diy4x, I plan on using their flip kit.
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Old 06-10-2014, 08:22 AM   #2
NastyBuzzard
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Re: 1987 GMC V1500 Sierra Classic LS swap/build

Quote:
Originally Posted by Flatpat View Post
Shouldn't need adjustable mounts then. I say if you can make your own, why not? Or use the diy4x plates. I heard nothing but good things about diy4x, I plan on using their flip kit.
I can I just don't want to get to the point of having it ready to go in and something be wrong and have to express ship something...
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Old 06-10-2014, 10:18 AM   #3
NastyBuzzard
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Re: 1987 GMC V1500 Sierra Classic LS swap/build

Here are some drawings I did for mounts.. The ones I may make.





This is one I found online..

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Old 06-11-2014, 08:09 AM   #4
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Re: 1987 GMC V1500 Sierra Classic LS swap/build

So I also plan to paint as much of the frame as I can while I have the bed and front clip off.

What do you guys recommend for chassis paint/rust preventor? I've seen people use rust bullet, eastwood, and por15. I remember doing my buddy's 77 chevy shortbed with a summit house brand chassis paint kit and it turned out nice. I looked for that summit kit and found one that says it covers 80 sq ft and is just a quart. Is that enough?
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Old 06-12-2014, 06:59 PM   #5
NastyBuzzard
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Re: 1987 GMC V1500 Sierra Classic LS swap/build

Bad news today.. Like motivation killing bad news.

Tank won't fit. Even if I cut the ribs under the bed and slide it back it still would hang way to low below the body line.












Now its like I have no clue what to do.

I want to use the 01 donors wiring. So I will some how have to integrate it into working both tanks, the selector switch, and selector valve.. How do I do that?

Also I know the fuel gauge signal is different my 87 is 0-120 ohm and the newer vehicles are 90-240 ohm. I want to use the 01 cluster in my 87 like I showed before... but how???

Also to use the tbi tanks I will need the higher flowing pumps, ( ep381?? ), a buddy said I could possible use the sender from a vortec truck which would provide the correct ohm signal. Possible??? Any ideas?

Also for the selector switch, I am using a pollock one now that I replaced last year, got it from autozone. Do I need one stronger for the added pressure?

Also I have no idea which an fittings or what to order, I know I will need high pressure fuel line and the smooth clamps. Help?

I just feel really freaking bummed right now. I was banking on that tank fitting. I guess I am an idiot... Any ideas if a s10 tank or something would? Any ideas at all? I am reaching out.

Also is it possible to buy a 20 gal tank and just use it instead of the duals?

Last edited by NastyBuzzard; 06-12-2014 at 07:08 PM.
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Old 06-12-2014, 07:47 PM   #6
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Re: 1987 GMC V1500 Sierra Classic LS swap/build

I measured the tank I dropped from the d.s. it was roughly 40" LONG, 12" WIDE, AND 11" TALL. I did some calculations and volume came out to show it was about 22 gal.. I thought the 20 gal tanks were 50" long?
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