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28 replies to this topic

#1 Speedbuggy

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Posted 07 July 2010 - 08:58 AM

Hi, I just purchased a Subaru powered Dune Buggy and I know next to nothing about Subaru engines. Are there other's here like me? Will I be able to find lots of useful information or should I look elsewhere?
Here's a shot of the engine in my buggy:

Posted Image

All I know about it is that it's a 4 cylinder engine built by Outfront Motorsports out of California running a Turbonetics T3/T4 turbo with an external TIAL wastegate. I believe it's a 2.5L engine, but I have no idea what kind of vehicle the case came out of or anything. Any help with how I can figure out this information to make servicing it easier would be greatly appreciated.

Edited by Speedbuggy, 07 July 2010 - 01:32 PM.


#2 grossgary

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Posted 07 July 2010 - 09:31 AM

That's a Phase I EJ25 DOHC. All EJ25 equipped Subaru's between 1996 and 1998 have that exact same engine, and some in 1999.

There's two different style timing belt tensioner mechanisms, but otherwise everything else is the same. Pretty much on way to tell which tensioner style you have without just looking. You can pull the drivers side timing cover to get a peak at it....well in normal engine without all that plumbing in front, yours might be trickier.

It's an interference engine, if the timing belt breaks the exhaust and intake valves are going to collide and cause damage.

Not sure exactly what you're looking for but maybe that helps?

#3 Speedbuggy

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Posted 07 July 2010 - 09:46 AM

That's a Phase I EJ25 DOHC. All EJ25 equipped Subaru's between 1996 and 1998 have that exact same engine, and some in 1999.

There's two different style timing belt tensioner mechanisms, but otherwise everything else is the same. Pretty much on way to tell which tensioner style you have without just looking. You can pull the drivers side timing cover to get a peak at it....well in normal engine without all that plumbing in front, yours might be trickier.

It's an interference engine, if the timing belt breaks the exhaust and intake valves are going to collide and cause damage.

Not sure exactly what you're looking for but maybe that helps?


Thanks Gary, you answered my first and biggest question right off the bat (ie. what is this thing?). Based on that hopefully I can find some service manuals. I know it's highly modified (running a Stinger EMS and with the single Turbonetics Turbo) but that should still help. It's currently running great, I just want to be able to keep it that way.

Up until now I've been running Volkswagen powered buggies (and rebuilt a couple engines from the bottom up) and based on that I can't conceive how exhaust and intake valves can collide. Going to have to find some engine diagrams.

ETA: OK, found a diagram and see what you're talking about. I'll be sure to keep a nice solid belt on it at all times!

Edited by Speedbuggy, 07 July 2010 - 09:55 AM.


#4 grossgary

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Posted 07 July 2010 - 10:19 AM

right, as you saw, the valves are angled so they can collide at full extension. this means it's a good idea to replace the timing belt and all the associated pulleys or at the very least check them. they do run out of grease and get old over time. at least on cars, i don't know how more or less harsh this application would be on an engine component. i'm doubtful this thing will see 105,000 miles to the next timing belt service interval but then again it's generating a lot of heat really close to the timing components too - so the bearings will likely degrease quicker.

subaru has a parts website call opposed forces with all sorts of diagrams and part numbers.

#5 RAugur33

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Posted 07 July 2010 - 10:24 AM

How about some more pics of the buggy?

#6 Speedbuggy

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Posted 07 July 2010 - 10:28 AM

How about some more pics of the buggy?


sure!
Here's my favorite shot of it so far:
Posted Image
And a bunch more here:
http://picasaweb.goo...feat=directlink

#7 jboymechanic

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Posted 07 July 2010 - 11:30 AM

That car must have an awesome weight to horsepower ratio. Looks great too.

#8 Speedbuggy

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Posted 07 July 2010 - 12:26 PM

That car must have an awesome weight to horsepower ratio. Looks great too.


Thanks. Yeah, it's pretty freaking quick. Weighs about 1900lbs and it dyno'd at 220hp at the wheel.

#9 grossgary

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Posted 07 July 2010 - 12:55 PM

woah i've been to enon valley before, nice. where do you drive something like that up there? "buggy" is an appropriate term, eh? LOL!!!!

#10 Speedbuggy

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Posted 07 July 2010 - 01:25 PM

woah i've been to enon valley before, nice. where do you drive something like that up there? "buggy" is an appropriate term, eh? LOL!!!!


You have? Crazy, this town is barely a blip on the map. This 'buggy' is strictly set up for street. We just cruise with it. I use it like other people use Harleys (or maybe in this case a Hayabusa) (and in fact my last motorcycle was traded in on my first buggy) but the whole family can ride with me. I call it a buggy for lack of a better term. Its much more a streetrod than a 'Dune Buggy' IMO.

Edited by Speedbuggy, 07 July 2010 - 01:37 PM.


#11 grossgary

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Posted 07 July 2010 - 01:48 PM

i like "buggy" due to the amish tint around your area, perfect fit! i got it now, i was wondering "Dune Buggy" doesn't sound like a typical enon valley mobile, now i'm with it.

a friend of mine is from Enon Valley, so i've been to his parents place before and i know what you mean by "blip". i can't even picture "enon valley" as a city, i just know his house/street!

#12 Speedbuggy

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Posted 07 July 2010 - 03:51 PM

Ahh, yes I didn't pick up on the Amish tie-in.. I should have considering my Dad grew up Amish!

What's your buddies last name?

#13 Twitch de la Brat

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Posted 07 July 2010 - 04:42 PM

That's awesome.
And I think your username is perfect for the car.
The color is very close to the cartoon, and it sounds like it has the same
power/weight ratio :grin:

Twitch

#14 Speedbuggy

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Posted 07 July 2010 - 06:30 PM

Double post

Edited by Speedbuggy, 07 July 2010 - 08:04 PM.
double post


#15 Speedbuggy

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Posted 07 July 2010 - 06:32 PM

That's awesome.
And I think your username is perfect for the car.
The color is very close to the cartoon, and it sounds like it has the same
power/weight ratio :grin:

Twitch


Yep, that's about right!

#16 murph

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Posted 07 July 2010 - 09:32 PM

Hello , really cool ride you got there , I like that a lot ! Very nicely done project ,looks clean and professional . I'm really curious what you paid for it ...... but won't ask . no matter what the price .... if you love it , that's all that matters ! enjoy ! all the best , murph ........really curious !:slobber:

#17 Speedbuggy

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Posted 07 July 2010 - 10:20 PM

Thanks Murph. Yeah the guy that built it did a phenomenal job. He actually runs a business doing it. This particular one was his personal car and he also used it as a show model to sell more. I jumped at the chance to buy it as I got a great deal.

This is his website:
http://www.denmatcars.com/

My car is the Manxter 2+2 TS-300. You can see what he charges for a brand new made to order build on there. I didn't pay anything near that (since I bought his personal car that he'd been using for 4 years) but it will at least give you an idea.

There's another company out of California that builds them too and they have a wider range of models from a good bit less to a good bit more than what Denmat offers.

http://mendeolamotors.com/motors/

And of course, if you're so inclined you can get one much cheaper by building it yourself:
http://www.meyersman...anxter2 2.shtml

#18 SubieDaddy80

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Posted 08 July 2010 - 05:45 PM

Beautiful and sick ride!:eek:

#19 grossgary

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Posted 08 July 2010 - 07:13 PM

What's your buddies last name?

His is Arrow and I met and went on a trip with a Spitzer he grew up with too. If you don't reply I'll assume you know them :lol::lol::lol:

I should have considering my Dad grew up Amish!

Nice!

#20 Speedbuggy

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Posted 08 July 2010 - 08:11 PM

Surprisingly I don't recognize either last name. But I guess it's not to surprising, I didn't go to school here, but just across the border in East Palestine, OH..

So back to the engine.. it's an EJ25D.. Other than making sure I never let the timing belt wear out, what other stuff should I watch for? I've read about the head gaskets, but this engine was completely rebuilt by Outfront Motosports and so I feel confident they replaced the head gasket already.

#21 Speedbuggy

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Posted 08 July 2010 - 08:14 PM

That's awesome.
And I think your username is perfect for the car.
The color is very close to the cartoon, and it sounds like it has the same
power/weight ratio :grin:

Twitch


Check out my new Avatar

#22 Mugs

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Posted 09 July 2010 - 12:17 AM

I want that engine. It would fit in the BRAT right guys :banana: :burnout:

#23 Loyale 2.7 Turbo

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Posted 10 July 2010 - 03:15 PM

I Like your Buggy, it Looks very Nice! :)

Here in my Country there are some Buggys Runnin' on Subaru EA81 and EA82 engines, also with VolksWagen's Bug Engines... but No one has a Complete Body like Yours...

Could I Ask about the Body Material? ... is it Fiberglass Reinforced Plastic over Steel? ...
or is it Sheetmetal?

Kind Regards.

#24 Speedbuggy

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Posted 10 July 2010 - 08:34 PM

My last buggy ran a standard Volkswagen Beetle engine.

The body itself is all fiberglass. There is also a complete rollcage with side intrusion bars incorporated on both sides. The body is from a company called Meyers manx and can be found here:

www.meyersmanx.com

#25 Loyale 2.7 Turbo

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Posted 12 July 2010 - 10:40 PM

Thank you for your Kind Answer and the Builder's information... I Really Like your Buggy, is Very Nice!

Kind Regards.




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