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#1
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Is it OK to....?
Drive a short distance with two different kind of plugs? I changed two and I am waiting fot the other four to come in. Should be very soon, but just in case, is it OK. I have 4 of the factory NGK platinum and 2 ZEX. I have my truck to drive, but if I need to haul both my kids(like to pick up the plugs), I will need the car. Any thoughts? Thanks.
Stephen
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92 Ebony - Level 10/n2o REAR-ENDED 92 Teal - painted yellow/4.11 5spd/n2o SOLD 92 Claret - 4.44 SOLD 94 Barcelona - FWD SOLD 92 Ebony - 3.90 SOLD 94 Laguna ROLLING w/4.44s/Ecutune ECU +TCU/STI springs/Infiniti M45 rims |
#2
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I don't think driving with different plugs will cause any problems, as long as all 6 are firing, you could run 6 different brands, but I suggest you replace the other 4 soon just so they all wear the same.
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Huck Subaru Ambassador 92 SVX LS-Tour Magnaflow Exhaust, 5-Spd-AWD ![]() 88 XT6 AWD 5-Speed "Bride of FrankenWedge" 15 Impreza Premium Sedan 15 Crosstrek XV 5-Speed My 5-Speed "How-To" Write-up 1976 Pontiac Firebird Formula Current Count of Subaru's Owned.... "70" |
#3
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hey huck369, by the way Happy Birthday!
chris |
#4
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Quote:
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Randy Johnson 3rd Registered Member 02-21-2001 First Member to Reach 10,000 Posts First to arrive at the very first Reading Meet Subaru Ambassador 1992 SVX PPG Pace Car Replica 110+k 1993 White Impreza L 240+K miles 2001 Legacy Outback Limited Sedan 250+K miles 2013 Deep Indigo Pearl Legacy 3.6R 49+K miles "Reading is my favorite Holiday" Mike Davis -- at Reading VI |
#5
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Happy B-day Huck!
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#6
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Yup, the last time a dealer did a minor tuneup (fluids, filters, plugs, checks) to my SVX they installed NGKs on one side and Bosch on the other. My dad took it in and didn't tell me about it, so when I decided to change the fuel filter and plugs, I was surprised to find the different plugs and how clean the fuel filter was. The plugs on one side were also loose enough for me to practically remove them without the wrench! Except for wheel bearings, that was the last time I let a dealer shop do anything to my SVX, other than state inspections.
KuoH Quote:
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#7
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Quote:
![]() The only reason I ask is because on every car I've ever owned since the Bosch Platinum came out, one of the first things I did was to convert to Bosch Platinum plugs. I have not done this with the SVX. Why, you ask? Upon advice of the one mechanic I trust to work on my car. He told me to stick with the Stock NGK's or Denso's. He knew that I put Bosch in all my other cars and had never tried to sway me from it, so it isn't that he things they are bad. He just said that, in this case, in a car this "complicated" he'd stick with the Manufacturer's recommendation.
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Randy Johnson 3rd Registered Member 02-21-2001 First Member to Reach 10,000 Posts First to arrive at the very first Reading Meet Subaru Ambassador 1992 SVX PPG Pace Car Replica 110+k 1993 White Impreza L 240+K miles 2001 Legacy Outback Limited Sedan 250+K miles 2013 Deep Indigo Pearl Legacy 3.6R 49+K miles "Reading is my favorite Holiday" Mike Davis -- at Reading VI |
#8
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Quote:
![]() ![]() Thanks guys, hopefully I'm wiser, not just older ![]()
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Huck Subaru Ambassador 92 SVX LS-Tour Magnaflow Exhaust, 5-Spd-AWD ![]() 88 XT6 AWD 5-Speed "Bride of FrankenWedge" 15 Impreza Premium Sedan 15 Crosstrek XV 5-Speed My 5-Speed "How-To" Write-up 1976 Pontiac Firebird Formula Current Count of Subaru's Owned.... "70" |
#9
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I only ran about 10k miles on the mixed plugs, as I didn't know he had already had the work done. Good thing too, since I probably would've neglected it longer had I known that it had already been done. I don't recall the details, but neither set showed anything abnormal, except for the excess oil buildup on the threads of one of the plugs, which further encouraged me to soon replace the valve cover seals on that side.
I think we compared the NGK plugs vs the Bosch +4's when Ray changed his, and found that the NGK's had a larger platinum center electrode. This presumbably is the reason why they last and perform well, and most likely why they cost so much more. None of us have any equipment to measure changes in the car's response with different plugs, so we really can't say which is better. I know that it's been at least a year, probably closer to two since I've put the Bosch plugs in and I'm still happy with the performance and fuel economy. KuoH Quote:
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