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Broken Engine Mounts


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i noticed ben has this in his signature:

KE20 2-door Corolla - 19.56 @ 67.43mph with closed points, 165 tyres, broken engine mount and a dodgy carby...

 

out of interest, what side engine mount? i've almost lunched my second manifold side engine mount, and the dizzy side one isn't looking too flash either. my current manifold side one was pretty overrated when i got it too, so its not just old stuff. in a ke20 you can use ke10 mounts too, my distributor side one is from travis edwards' ke10 (yay props)

 

i think you might even be able to use other manifold side mounts, i've never compared ke20/30/70 mounts. i have a modified 4ag mount somewhere that bolts to a K engine, but i think it slants the motor even more, but that's not good (enough oil gets trapped in the head as it is)

 

new they're 90-odd dollars from repco, i'd hate to see a toyota price on them. i think next time i'm going to prop the engine up for a few days and get a corolla engine bracket mounted onto a cortina rubber, doug and stewart run them and they don't break

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i think ke10, 20, and 30 are all slightly different from memory, the ke10 mounts being the lowest. actually found about 10 engine mounts today doing a bit of a tidy. a bit dark under the house to look at them properly. i'll drag them out and get a pic later.

 

yea, i've broken a few manifold side mounts before changing to the ford item, mounted between the metal plates from the old orig mount. the ford mount is a little stiffer. much cheaper, think mine cost $30 when i got it. urethane mounts were available at around $60 in the same style.

 

main reason i used the ford mount was to lower the manifold side for collector to floor pan clearance with 4 into 1's on a taller 4k block. not much room in a ke15. my mount is about 10 mm lower than a standard ke10 mount.

 

i've been thinking about adding an extra engine steady mount. something like a FWD mount from the head to the passenger side strut top??? i sometimes get a lot of axle tramp into second gear.

 

have a set of new superpro urethane bushes for the rear suspension to go in which should help.

 

i believe to much uni-lash, diff-lash, and rear suspension bush sloppiness is a major contributor to broken engine mounts and gearbox mounts. not to mention driving style. :)

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bet it is bens manifold side mount, which is broken.

 

under load the dizzy side gets compressed and the manifold side lifts and stretches the mount.

you are correct.

 

The whole engine lifts up and throws the shifter into my knee when I launch...

 

bleh Its not like the engines going to lift itself out of the engine bay so it can stay that way till the 4K goes in...

 

My manifold side mount has a heat shield...dunno if this is usual?

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i used to think the heat shields were a ke70 only thing, but i've had ke10 and ke25 engine mounts with the heat shield too. i can't run one, as it fouls on my extractors

 

doug and stewart chop chop weld weld and use a cortina engine mount in their cars. i have closeup photos of stewart's somewhere if you're really interested

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most the mounts i've seen have had the heat shield, or evidence there once was one ie, a few holes. some were bolted, some riveted.

 

pain in the ass things, the heat shields. i've had a couple develop cracks on the heat shield and then start to vibrate and give out real bad buzzing sounds. don't run them any more. wouldn't fit with the ford mount anyway. heat isn't the real problem, though it probably doesn't help long term.

 

alex, it is a cylindrical mount with a stud poking out each flat end. it is about the same thickness as the rubber bit on your existing mount (although there is another thinner ford item). can't remember exact fitment. pretty sure it was either 2L escort or cortina.

 

all i did was get an old broken original manifold side mount. i cut and scraped the remains of the old rubber off the two plates. i then drilled two holes in the two plates pretty much in the center of where the old rubber was, although i slightly offset them so as to lower that side of the engine 10 mm. then i bolted the 3 bits together. the nut on the engine side was a pain to do up. just had to swap the new (3 piece) mount in place of the broken one in the car.

 

this mount has outlasted all previous ones, no signs of cracking. i still get too much movement at times under extreme usage. maybe the urethane option would have been better. the radiator i am running now has a straight lower outlet, which puts the hose nearer the alternator fan. i have chunked 2 lower radiator hoses on the alt fan since i put the 4.5 in :sad: hopefully the urethane rear suspension bushes and a new gearbox mount will stabilise things more. also will swap over becs radiator with curved lower outlet for more clearance.

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did you use a new cortina/escort mount or one from the wreckers? my favorite wreckers down here has a big bin of engine mounts i could go scrabbling thru to find a suitable rubber

 

stewart spaced his between the engine side metal and the ford mount, with a ~4mm steel plate, to retain original engine angle

 

wouldn't want to lower the engine much more in a ke2x anyway, there's about a pinkie finger's clearance between crank pulley and swaybar. and that's stock

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