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Old 11-05-2023, 11:59 PM   #1
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Gmc Bluebird '93

Looking for resources pertaining my skoolie, it's got a 366 gmc engine, curious what sparkplug/ignition cables I need or where to find them, I've been to a few auto shops and no luck yet, making sure to get it right the first time since I'm problem solving issues step by step to get it running again.

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Old 11-06-2023, 07:57 AM   #2
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Year: 1991
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Chassis: International 3800
Engine: DTA360 / MT643
Rated Cap: 7 Row Handicap
that 366 depending on your year will be the same as a chevy / GMC C50/C60 truck .. oince you get to tyhe hood style with square headlights in year (early to mid 90s) then its the same as a topkick / kodiak. so you can often look for parts for those trucks ti find your spark plugs, wires, etc..



it is a BIG BLOCK chevy despite its cubic inch of 366 so BBC parts generally fit it. (engine wise)...
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Old 11-06-2023, 06:22 PM   #3
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Try Rock Auto, it should tell you what you need, you might have to say it's a 60 or 70 series truck instead, they are the same.
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Old 11-06-2023, 06:46 PM   #4
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Spark plug wires are easy enough to make. Buy the parts and have fun. Best thing is you can route them often better then pre made sets.
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Old 11-06-2023, 07:03 PM   #5
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NAPA will be your best friend. They seem to go way deeper in the past with their parts catalog and availability.
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Old 11-06-2023, 08:19 PM   #6
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Quote:
Originally Posted by cadillackid View Post
that 366 depending on your year will be the same as a chevy / GMC C50/C60 truck .. oince you get to tyhe hood style with square headlights in year (early to mid 90s) then its the same as a topkick / kodiak. so you can often look for parts for those trucks ti find your spark plugs, wires, etc..



it is a BIG BLOCK chevy despite its cubic inch of 366 so BBC parts generally fit it. (engine wise)...
You're the best, I've learned so much reading your replies on other issues! You're all over skoolie.net & value your opinion. I replaced all the ignition cables today and verified spark on all 8 cylinders, no luck turning over today. Maybe a fuel pump issue? Maybe force start the engine?? Haha
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Old 11-06-2023, 08:20 PM   #7
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I appreciate the input, sourced the identical factory cables today.
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Old 11-06-2023, 08:21 PM   #8
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I value your advice, taking all the insight I can get!
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Old 11-06-2023, 08:24 PM   #9
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Originally Posted by La Camioneta View Post
NAPA will be your best friend. They seem to go way deeper in the past with their parts catalog and availability.
I found that Advance Auto Parts dives into larger vehicles and had some parts I needed on hand. Thanks for your advice, I'm here to listen and learn. It's been a bumpy three years owning my bus...
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Old 11-07-2023, 08:11 PM   #10
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this should be fuel injected.. there should be a fuel pressure test port up near the throttle body... if this is TBI (has 2 big injectors in the top of the throttle body) id expect to see fuel pressure in the 10-30 PSI range.. its wide range as there were changes depending on the year... however seeing any pressure indicates that the fuel pump is at least turning on and sending fuel to the throttle body..
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Old 11-08-2023, 01:41 AM   #11
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this should be fuel injected.. there should be a fuel pressure test port up near the throttle body... if this is TBI (has 2 big injectors in the top of the throttle body) id expect to see fuel pressure in the 10-30 PSI range.. its wide range as there were changes depending on the year... however seeing any pressure indicates that the fuel pump is at least turning on and sending fuel to the throttle body..
Checking that out first thing bright an early, got to get this beast up and running asap! Wishing I had a manual transmission to just pop a clutch down a hill
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Old 11-08-2023, 08:15 AM   #12
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Originally Posted by HENRYtheBUS View Post
Checking that out first thing bright an early, got to get this beast up and running asap! Wishing I had a manual transmission to just pop a clutch down a hill

so is the starter not cranking? when you said you verified spark i was thinking it turns over but just doesnt start? if thats the case, fuel is the next thing to check, if the starter doesnt spin the engine then thats next..



if the starter does spin the engine.. and you are a careful old-schooler you can pour a LITTLE gasoline down each barrel of the throttle body.. put the air cleaner lid on(important in case of blow-back) and try to start it..



if it starts and runs a few seconds then you know you have good spark, spark timing and compression.. just no fuel..
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