The Murphy Builders Site

Hi Bob !

The most popular choice is the EJ-22, about 130 hp in the car.
Today, maybe an EJ-25 might be better, at 165 hp in the car. Marcotte,
in Quebec, makes beautiful re-drives (with some refining - ask Ken !).

A few builders have tried the smaller EJ-81's, at about 80 hp in the
car, with reasonable results, but very little less weight, and an engine that
is long out of production. The EJ-82 has OHC, and supposedly more HP,
but has been plagued with reliability issues ... All things considered,
you would be better off with the 2.2 liter or 2.5 liter Subarus.

Apparently, there are almost 30 Rebels flying with Crossflow Subarus -
these are the special 2 liter racing models that they re-engineer. Quite
polished, but cost as much or more than a Lycoming, and you have a very
limited source of parts - sorry, not my first choice. The whole advantage
of auto conversions - to me, anyway - is that you can get inexpensive
parts almost anywhere, from automotive jobbers. Once you venture into
custom, hot-rod parts, that advantage disappears ....

I've emailed you offline a note on a 'bargain' Subaru conversion that might
still be available - bit of a drive, but the price is right ! (about
$4,000 USD !!)
--
......bobp
http://bpatterson.qhealthbeauty.com
http://apatterson2.qhealthzone.com

-------------------------------orig.-------------------------
On Thursday 22 June 2006 03:51 pm, Robert and Olga Johnson wrote:

I would be interested in hearing from anyone who has used a Subaru engine in

their Rebel. Model, performance, redrive, and would you do it again. Thanks
Bob Johnson. Rebel 652,725, Moose 226, and now Rebel 192/731



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Yup the newer EJ25's (2.5 liter) have single overhead cams and would be
my choice now for a Rebel.

If there are really 30 Crossflow Rebel's then they must be a very quiet
group! I have had a few teething/educational issues with the Marcotte
psru but I highly recommend it. There is conflicting info (even from
guys that are flying them) about lubrication, venting, operating temps,
and free play, but I seem to have it sorted out now. Engine cooling is
the other big issue but I wanted a liquid cooled engine. There is no
manual for this stuff and everyone's opinion is different so be prepared
to learn a lot and make some judgement calls.

I'd expect a Lyc. clone running lean of peak with decent leaning
instrumentation and electronic ignition (and perhaps balanced injectors
or EFI ) to have about as good fuel economy as the soob. I can
immediately think of 4 guys that said their soob was running well but
replaced it with a Lyc. because they got tired of tinkering and wanted
to go places!!! Psru's and cooling concerns were largely responsible I
think.

Ken

Bob Patterson wrote:

Hi Bob !

The most popular choice is the EJ-22, about 130 hp in the car.
Today, maybe an EJ-25 might be better, at 165 hp in the car. Marcotte,
in Quebec, makes beautiful re-drives (with some refining - ask Ken !).

A few builders have tried the smaller EJ-81's, at about 80 hp in the
car, with reasonable results, but very little less weight, and an engine that
is long out of production. The EJ-82 has OHC, and supposedly more HP,
but has been plagued with reliability issues ... All things considered,
you would be better off with the 2.2 liter or 2.5 liter Subarus.

Apparently, there are almost 30 Rebels flying with Crossflow Subarus -
these are the special 2 liter racing models that they re-engineer. Quite
polished, but cost as much or more than a Lycoming, and you have a very
limited source of parts - sorry, not my first choice. The whole advantage
of auto conversions - to me, anyway - is that you can get inexpensive
parts almost anywhere, from automotive jobbers. Once you venture into
custom, hot-rod parts, that advantage disappears ....

I've emailed you offline a note on a 'bargain' Subaru conversion that might
still be available - bit of a drive, but the price is right ! (about
$4,000 USD !!)

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