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Engine transplant into the '85 Brat-update
Posted 17 January 2004 - 02:30 AM
Report card tomorrow.
Posted 17 January 2004 - 08:17 AM
when my turbo dooked, i swapped in my carb motor in one night.
i started when josh left for work around 5, and i finished right when he came home at 9, was ready to fire it up!
also, tom and i were at jim's, we tore apart a non running turbo, did the HG and seals, tbelts, had the motor done, tom left, and jim and i installed the motor, had it running that night
we startedlike 8-9 in the morning, we fires it up at 4 in the morning
i have been known to pull up in the carbola in the morning, and have a otor swapped by the time i had to go to work. drive in with one motor, drive out with another
it took me about 5 hours over 2 days to do the imnpreza clutch, ej motors are easier to pull, less stuff to disconnect
sorry if i hijacked, or is this going to be about how quick one can swap a motor?
anyway, im sure you will be driving it by the time you read this
Posted 17 January 2004 - 08:28 AM
Posted 17 January 2004 - 12:47 PM
Posted 17 January 2004 - 01:13 PM
Posted 17 January 2004 - 06:28 PM
*Solid lift block(1800)
*Hydraulic heads(decked .020)
*Stripped Hitachi intake(gasket matched for Weber adapter)
*Removed all emissions.
*Very large profile cam. I don't have to specs handy. The builder told me that when installed in aircraft it produces 150hp with small injection and exhaust. After explaining my set up he said 150HP easy. Maybe more.
*True dual exhaust
It has a nice little cam lope to it. Not really noticable but the trained ear will pick it up.
More when I get the fine tuning complete. I may still need to upgrade the coil for a stronger spark.
Posted 17 January 2004 - 07:06 PM
Must of been your radical little sooby that had them spooked:rolleyes:
What exhaust shop is it sitting at? I would love to do a drive by.
A little jaunt up here to Greenwater would be a great test drive.
Posted 17 January 2004 - 09:20 PM
Posted 17 January 2004 - 10:26 PM
Posted 18 January 2004 - 01:51 AM
Posted 18 January 2004 - 02:03 AM
Don't worry Ken - GD will be in the house soon to work his magic
As soon as I get the front wheel bearings done on my Brat, and the rear wheel bearings done on the wagon.......
How's the clutch handle the power? Even with my stock engine, my Brat can't really handle a full dump - it just doesn't lock up hard enough. No wheel spin at all in 4 hi - even on the wet. Just clutch slippage....
Posted 18 January 2004 - 03:21 AM
not trying to correct a Subaru Guru here Qman. But with Naaaaawwwwwssss, it would be more like this, yes/no?
Good point Tom!
He left me in the span of a 1/4 mile due to some dipstick wanting to Give Ken a run..
Guy in a Suburban kept trying to pace me for some reason. So I just put my foot into it a bit.
How's the clutch handle the power?
FWD is the only thing I've done with it so far. I need tranny mounts before I get to uppity.
Posted 18 January 2004 - 09:55 AM
Posted 18 January 2004 - 01:56 PM
I'll be posting with some pics of the ones I'm making today using this method. I've already got the mounts cleaned and prepped.... my friends 82 Brat is on jack stands in the garage with a new tranny hanging from the bell houseing - the old mounts were so bad that I couldn't in good concience put them back.....
beats the hell out of $55 each from the dealer.....
Posted 18 January 2004 - 02:13 PM
Can't wait to see it and maybe for a ride! your gonna be smoking me on those trails up there. i'm still trying to get used to having 3 shifters. figuring out what lo range i need on certain terrain. rocks here in AZ are easy though... dual low cause they are dry and have loads of traction...
hopefully i can make it up there for a trail competition with you before i go over seas!! isabele will be snow free the next time i'm home! hint hint
Posted 19 January 2004 - 05:48 PM
It'll be lots of fun though. I can't wait!!
Posted 19 January 2004 - 05:57 PM
Posted 19 January 2004 - 08:13 PM
Posted 19 January 2004 - 08:46 PM
Posted 19 January 2004 - 09:01 PM
Also, wheel hop is caused by the suspension and weight transfer not the trans.
Posted 19 January 2004 - 09:28 PM
As it was explained to me, the engine mounts load up when you dump the clutch (engine torques over to one side), and the engine mount being rubber, then acts like a rubber band - snapping back, and causeing the wheel to jump up and down. The stiffer urethane dampens the effect a lot, and doesn't load up as much when the engine torques down. This is all for a 2WD launch BTW - I've never experienced hop in 4WD hi. But then I can't get any wheels to break loose in 4WD - just a little chirp around corners off a stop light....
But your right - tranny mounts wouldn't have as much to do with wheel hop as the engine mounts I would think. Actually - the EA81 engine mounts are usually alright - it seems to be the tranny mounts that take a dump. I'm thinking about just doing the tranny mounts and seeing what effect that has. Most of the complaints about urethane mounts come from "idle vibration" - which since idling isn't moving the trans, I wouldn't think just urethnane tranny mounts alone would contribute to this. I'm hoping that they do a good job of secureing the trans, without really effecting the vibration, as most of that is taken care of by the engine mounts. We'll see tho.
Vibration bothers me - but only when I don't know what is causeing it. If I know what is causeing it, and I make a concious decision to use mounts that allow more vibration, I'm ok with it.... does that make sense?
At any rate, right now it's an experiment - a small scale one to see how the EA81 tranny handles them. I'll report my findings of course. It may be a while, as the Brat in my garage isn't moving for at least a few weeks - we've decided to pull the engine, and do some spring cleaning / POR15, and some welding in the engine bay to correct some off-roading damage to the radiator support.
Posted 19 January 2004 - 09:33 PM
One other thing to consider when stiffening an EA series vehicle is the fact that they are uni-bodies. The stresses will have to be distributed somewhere.
Let me know your findings and I'll make a decision from there.
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