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Likelihood of bore damage
coyoteboy - 21/1/14 at 06:36 PM

So my tin top has been breathing heavily for a while, not massively but a little. No noticeable compression loss.

Well the trip to lunch at the weekend was a bit much for it and I started sounding like a subaru driver. Drove 4 miles home and ran a compression test - 190,200,200,100.

Bah. Borescope down the spark plug hole - nothing obvious, no *obvious* marks on bore. Bit gutted, going to require some significant work and it's really more than the car is financially worth (plus I have no spare time!) but I am a bit too emotionally attached to this car (had it for 10+ years!). Just blown 750 quid on coil overs and a couple of hundred on a coil on plug conversion, it seems to be an endless money pit at it's age of 24!

What's worse is the engine turned itself with the valve spring force while I wasn't looking, bending and jamming the borescope in the bore. Bad week.

Not sure where I was going with this, just venting a little.


cliftyhanger - 21/1/14 at 06:44 PM

Probably be ok with a hone and set of rings.....notice I said probably.


Slimy38 - 21/1/14 at 07:01 PM

Ebay seems to be littered with inexpensive engines from all sorts of cars. Generally they're a bit of a risk, but at least there's a fair chance of all four cylinders working.


gaz_gaz - 21/1/14 at 07:09 PM

Had this on 3 GT4 Celicas.
2 of the occasions the cracked piston hadn't dug into the bore and a light hone sorted it out.
The other time was carnage and I went for 10 thou bigger pistons.


coyoteboy - 21/1/14 at 07:48 PM

Fingers crossed hey, I will pull the top off and see if any damage is obvious.2/3 is good odds to my mind! Tis indeed an st185!


dhutch - 22/1/14 at 12:29 PM

Whats the car?


MikeRJ - 22/1/14 at 01:48 PM

quote:
Originally posted by dhutch
Whats the car?


ST185, which is the 2nd generation Celica GT4


coyoteboy - 22/1/14 at 05:31 PM

Yup