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Tune-Up Time

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Tune-Up Time - 4/13/2008 10:42:31 AM   
elementalnature

 

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Doing my first tune-up at 120k. Picked a set of NGK Spark Plugs, Autolite Spark Wires, a BWD Distributor Cap and a BWD Ignition Rotor Button. What do you guys think of this. I know most people have opinions on parts. And does anyone have any guides as to how to do a tune-up?

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1994 GMC Jimmy Four Door 2 wheel drive
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Pioneer Head Unit with Kicker 6 1/2s - Soundstream 12 and a Kenwood 350w 2 channel amp
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RE: Tune-Up Time - 4/13/2008 2:24:35 PM   
rriddle3


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Two words of advice - take back the NGK plugs and get AC Delco instead; while at the auto store pick up a Haynes or Chilton manual for your truck.

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RE: Tune-Up Time - 4/13/2008 2:25:37 PM   
elementalnature

 

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Hmm. Anything wrong with the NGK plugs?

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1994 GMC Jimmy Four Door 2 wheel drive
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Pioneer Head Unit with Kicker 6 1/2s - Soundstream 12 and a Kenwood 350w 2 channel amp

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RE: Tune-Up Time - 4/13/2008 2:30:32 PM   
rriddle3


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There are just too many threads here about folks having trouble with the way their Blazer runs after installing anything except AC Delco. When they took out the new 'other brand' and put in the AC's - problem solved!

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RE: Tune-Up Time - 4/13/2008 2:31:16 PM   
elementalnature

 

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Hmm.. okay we'll see about it. Other parts okay?

< Message edited by elementalnature -- 4/13/2008 2:39:57 PM >


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1994 GMC Jimmy Four Door 2 wheel drive
L35 Vortec Engine
Pioneer Head Unit with Kicker 6 1/2s - Soundstream 12 and a Kenwood 350w 2 channel amp

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RE: Tune-Up Time - 4/13/2008 3:32:24 PM   
Hanr3


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I being one of those P0300 people. You want factory original parts or better. These engines eat cheap parts within no time. Mine ran for 3 months before it ate my plug wires, and cap & rotor. Unfortunately, I was 250 miles from home with my vehicle packed full of my family in the middle of downtown Chicago. Took us a long, long, long time to limp it home. then it took several months and several trips to the dealer before I got it fixed. Not too mention a new starter, new FPR, and a new coil pack in the process.


Edited to add this.
The 4.3L engine since '96 is a high performance engine. It needs performance parts. The cheap crap wont work for very long.

< Message edited by Hanr3 -- 4/13/2008 3:39:57 PM >


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RE: Tune-Up Time - 4/13/2008 3:33:41 PM   
elementalnature

 

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Yeah I was told we have the "Experimental" engines. The engines that almost everything wrong with them lol.
Edit: I have a 94. lol

< Message edited by elementalnature -- 4/13/2008 3:55:56 PM >


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RE: Tune-Up Time - 4/13/2008 4:50:09 PM   
swartlkk


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NGK is a very good brand of plug.  The difference is when you replace a double platinum plug with a regular copper plug.  The life will not be anywhere near the same between the two.  You will likely get a hotter spark with a copper plug, but you will be messing with them a LOT more to maintain the gap properly.

The 3800 supercharged motor in my old '01 Bonneville came standard with NGK double platinum plugs to which I swapped out for NGK v-groove plugs which performed better, but required much more maintenance and an excellerated replacement schedule to keep things at peak performance.

The AC Delco double platinums do work better in the '96+ SCFI motors.


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RE: Tune-Up Time - 4/13/2008 5:27:25 PM   
elementalnature

 

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I currently have.. the NGK V-Power Spark Plug.

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1994 GMC Jimmy Four Door 2 wheel drive
L35 Vortec Engine
Pioneer Head Unit with Kicker 6 1/2s - Soundstream 12 and a Kenwood 350w 2 channel amp

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RE: Tune-Up Time - 4/14/2008 3:24:57 PM   
strong blazer

 

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use ac delco its like putting ford engine into a chevy it will work for minute but wont last lol

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RE: Tune-Up Time - 4/14/2008 3:41:13 PM   
elementalnature

 

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Woot woot. Tune-up complete. Used AC Delco Spark Plugs, Autolite Wires, BWD Distributor cap and rotor button. Now my question here is, how many of you 94 owners find that third spark plug to be a pain in the arse to get to? Can you say, go up through wheel well, under steering shaft, into port and doing a short, one click turn on your ratchet until that thing was loose enough to turn by hand? That was a serious pain. Took me an hour to get to. Finally got it in though. Runs like a dream.

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1994 GMC Jimmy Four Door 2 wheel drive
L35 Vortec Engine
Pioneer Head Unit with Kicker 6 1/2s - Soundstream 12 and a Kenwood 350w 2 channel amp

(in reply to strong blazer)
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RE: Tune-Up Time - 4/14/2008 4:15:07 PM   
rriddle3


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Glad you got it done! That #3 plug isn't a PITA on just the '94 engine, it's been the bane for all the Blazers. There's been a lot of discussion here about how to get at it without losing your religiion. Good job, now enjoy!

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2002 Blazer LS 4dr 2WD Auto Trans
Hypertech PP III Programmed
Flowmaster 50 Series Delta Flow Muffler, C6 Corvette Exhaust Tip
TYC Elegante carbon fiber tail lights

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Post #: 12
RE: Tune-Up Time - 4/14/2008 4:20:54 PM   
elementalnature

 

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quote:

ORIGINAL: rriddle3

Glad you got it done! That #3 plug isn't a PITA on just the '94 engine, it's been the bane for all the Blazers. There's been a lot of discussion here about how to get at it without losing your religiion. Good job, now enjoy!

I went up through the wheel well under the steering shaft with two 3 inch extensions without a ratchet attached. Then a swivel ratchet and played with it until it came loose enough to attack via hand. And then put the new one in the 5/8 socket and hand tightened until I hit the point to reattach the ratchet. A few hard turns later and boom its in. Just connect the spark wire and you're done. But believe that not for a second I didn't swear a lot. Almost lost my hand prior to my religion.


< Message edited by elementalnature -- 4/14/2008 4:30:12 PM >


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1994 GMC Jimmy Four Door 2 wheel drive
L35 Vortec Engine
Pioneer Head Unit with Kicker 6 1/2s - Soundstream 12 and a Kenwood 350w 2 channel amp

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