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Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain.


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Old 05-27-2012, 11:04 AM   #1
subaruferrucci
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spark plugs

So anyone see how much of a pain in the butt it is going to be to change the spark plugs?
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Old 05-27-2012, 11:09 AM   #2
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Remove front tires then inside fender panels to start. loads of fun.
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Old 05-27-2012, 11:25 AM   #3
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So anyone see how much of a pain in the butt it is going to be to change the spark plugs?

This, and everything else about FR-S/BRZ engine maintenance save changing the oil filter, practically made me give up on the car. But I'm trying to stay open-minded.

Note: I'm not completely useless when it comes to working on cars, but this engine looks like it will be challenging.
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Old 05-27-2012, 11:52 AM   #4
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prolly not as bad as some 8cly engines that have spark plugs almost under the dash, you just need the long extensions, all we needed for my friend's 2.5 rs :o
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Old 05-27-2012, 01:26 PM   #5
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Shouldn't be too bad I Hope!
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Old 05-27-2012, 01:40 PM   #6
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It'll be easier than most any other subaru because you can go in through the wheel wells rather than having the frame blocking you.
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Old 05-27-2012, 01:56 PM   #7
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IIRC it was either RaceComp or Perrin that said getting the spark plugs was quite easy as long as you had the correct extensions.

And its not like youre changing the plugs once a year anyway....
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Old 05-27-2012, 02:34 PM   #8
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prolly not as bad as some 8cly engines that have spark plugs almost under the dash, you just need the long extensions, all we needed for my friend's 2.5 rs :o
this!
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Old 05-27-2012, 05:36 PM   #9
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Most people say this about an inline four compared to lawnmowers and go-karts.
I love the Lotus replica Toyota powered, Caterham 7 for everything being ideal, except that the shape of the car isn't exactly sexy or comfortable to drive. LOL!

The original AE86 with a twin cam 4A-GE had its oil filter under the exhaust manifold! And starters under that, next to a steering rack... That wasn't fun about those either.
But yeah, there isn't a single balance and solution to ideal automotive design, performance characters through ideal weight distruibutions, and serviceability.
At leas the short term maintenance items on the BRZ/FRS is EASY, and Long-Term things like plugs today last a ton of miles...as in more than 75k miles even under hard driving!

Suspension changes are as easy as it gets for a 2013 car, the interior panels are EASY to pry off and locate aftermarket parts.
Alternator, AC, and just about any peripherals for the engine is right on top!
Clutch and brake changes are easy on the FRS, and there is even a feed-hole to put sensors and gauges built-into the car's firewall!!

For a modern car, it doesn't get much better I think...

This is unless you're talking about swaps and turbos and custom built racing stuff that requires you to service heads and mechanicals of the engine.
But that for the most part in a real racing operation, is done with engine dismounted from the car, and that complete dismount is also no more difficult, or easier to do on a BRZ/FRS than most RWD cars I know.
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Last edited by Moto-P; 05-27-2012 at 05:48 PM.
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Old 05-27-2012, 05:52 PM   #10
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I've looked under the hood of a BRZ. It's a mess. Take it for what it's worth.
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Old 05-27-2012, 06:15 PM   #11
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Plugs on my RS can be swapped in under an hour by me, I didnt flinch when I saw the BRZ bay. Its all about the right tools for the job.
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Old 05-28-2012, 08:29 AM   #12
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I will be happy as long as servicing the spark plugs takes less effort than my SC300, which requires the removal of the throttle body and upper intake manifold, and what seems to be a few 100 vacuum hoses.


Edit: I am not sure anything can phase me after having to change out the waterpump on a Porsche 944.

Last edited by FrX; 05-28-2012 at 01:49 PM.
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Old 05-28-2012, 09:35 AM   #13
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Info from a guy at TMCA (Toyota Australia), you need to undo the engine mounts and jack the engine up maybe 100mm to get to the spark plugs.

I havn't done it myself yet, but it will also depend on what tools you have.
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Old 05-28-2012, 09:58 AM   #14
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Quote:
Originally Posted by Marrk View Post
I've looked under the hood of a BRZ. It's a mess. Take it for what it's worth.
Odd, I think mine looks clean and easily accessible for a boxer engine.
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