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Please help if you have FSM or are sure of answer - which plug???

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Offline mth712

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Please help if you have FSM or are sure of answer - which plug???
« on: August 14, 2005, 12:43:51 AM »
94 Geo Tracker 4WD Auto 1.6 8V - Went to get NGK plugs - oreilly and advance auto say BPR-5ES  but the haynes manual says BKR-6E for 91 and newer. The haynes,oreilly and advanced say to gap at  .32 but sticker under hood says .28 .

Anyone know whic h is right? The plugs I removed were BPR-5ES but do not know if they were original or incorrect put in at replacement. Trying to track down a poor running issue.

If anyone has the owners manual for a 94 Tracker(TBI) 8V please see what plug it says.
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Thanks,

        Mike
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Offline cj

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Re: Please help if you have FSM or are sure of answer - which plug???
« Reply #1 on: August 14, 2005, 03:32:42 AM »
My FSM for the 8v says NGK BP(R)6ES with a gap of 0.27" - 0.31" ( 0.7 - 0.8 mm )
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Offline Rhinoman

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Re: Please help if you have FSM or are sure of answer - which plug???
« Reply #2 on: August 14, 2005, 12:37:04 PM »
My FSM says BPR5ES, plug gap  0.028-0.031 (0.7mm-0.8mm). My handbook says BPR6ES, (BP6ES also if legal) 0.028-0.031. If there doesn't look to be any damage to the 5s and they don't go off when the engine gets hot then I would probably stick with them.
Edit: I just reread your other post - give the 6s a try, maybe the 5s are fading under load. let us know if you detect any difference, I need to check what is in mine. I always found that on a long trip after 2 hrs or so continuous at 70mph or more the engine 'went off' , couldn't hold speed on slopes and needed lower gears more often, I wonder if I have 5s fitted too.
« Last Edit: August 14, 2005, 03:07:33 PM by Rhinoman »
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2000 Vitara 1.6, 3+3 Lift, 33"MTs, 5:83s, LWB brakes, Winch, Snorkel, Safari Rack
1986 SJ413K PickUp, 1.6L conversion.

OBD1 - Full diagnostics on a PC/Laptop: http://www.rhinopower.org
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Offline wildgoody

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Re: Please help if you have FSM or are sure of answer - which plug???
« Reply #3 on: August 14, 2005, 05:10:26 PM »
OK this is from the factory sticker on an 89 hood
with an 8V engine
NGK BPR5ES
ND W16EXR-U

Im think the Bosch # is on my brothers 16V engine hood

Hope this helps,
Wild
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Real Trucks Are Built, Not Bought,
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Offline mth712

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Re: Please help if you have FSM or are sure of answer - which plug???
« Reply #4 on: August 14, 2005, 07:15:31 PM »
Is the 89 TBI ? I think the 6 number is for the 16 valve. Do you think gapping at 32 instead of the 28 on the sticker will matter? Well I will find out Tommorrow. I also noticed my front hubs are very hot after driving and I have a roar on the highway but can't tell where it is from. I thought it was tranny roar but not sure. I know I am liking it better now even though it is loud on the highway. It is also a capable 4 WD.
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Thanks,

        Mike
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Offline wildgoody

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Re: Please help if you have FSM or are sure of answer - which plug???
« Reply #5 on: August 14, 2005, 07:20:50 PM »
Yes the 89 is a TBI
Well at least when it was new

Now it has a few extra add ons

 ;)
Wild
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Real Trucks Are Built, Not Bought,
And Chrome Don't Get Ya Home.  

An armed man is a citizen. An unarmed man is a subject.
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Offline Rhinoman

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Re: Please help if you have FSM or are sure of answer - which plug???
« Reply #6 on: August 15, 2005, 04:43:57 AM »
Quote from: mth712 on August 14, 2005, 07:15:31 PM
Is the 89 TBI ? I think the 6 number is for the 16 valve.

Well I'm quoting the FSM for the 8V and the handbook numbers for the 8V. I didn't take any notice of the numbers for the 16V but you could be right. I don't think there is a sticker under my hood but I will check tonight.
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2000 Vitara 1.6, 3+3 Lift, 33"MTs, 5:83s, LWB brakes, Winch, Snorkel, Safari Rack
1986 SJ413K PickUp, 1.6L conversion.

OBD1 - Full diagnostics on a PC/Laptop: http://www.rhinopower.org
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