Low compression in all cylinders

**LavisLane** · 8th March 2011, 04:33 PM

It's the news I knew was coming. Low power and a bit of smoke out the back under revs were a sign that things were on the down hill.

Compression test today has shown that all cylinders are around 110 when they should be closer to 150. See attached...

It's not the end of the world of course, she still runs fine and I don't see a problem with continuing on as is. Unless i'm planning a trip with a large caravan on the back, I should be fine. Just something to wear with any car over 10 years I guess.

However, it's going to be in the back of my mind every time I put my foot down with the little voice on my shoulder telling me to find the $8k to get it fixed.

Anyone else gone through this? Importantly, any suggestions on a fix? Is it something anyone with minor engine experience and too much motivation should attempt?!

Dave

PS - not sure if i should recommend that anyone else get this done. It was nicer living in ignorance...

**VladTepes** · 8th March 2011, 04:43 PM

$8K for what ?

**wayneg** · 8th March 2011, 05:33 PM

Now if you are going to live with it for a while and you are a gambling man have you seen this ( SNAKE OIL?) product?
http://http://cgi.ebay.com.au/Noisy-tappets-Cured-Try-AMETECH-ENGINE-RESTORE-OIL-/390268164033?pt=UK_CarsParts_Vehicles_CarParts_SM& hash=item5addcb97c1
I know, I know what these type of products promise, but I think I would take a punt just to convince myself I was making an effort
Anyone actually tried this?
For those who dont know of Quentin Wilson he is a well regarded down to earth motor journalist

If you do try it please give us an after compression test result.

**LavisLane** · 8th March 2011, 05:40 PM

Originally Posted by VladTepes

$8K for what ?

To get the compression up to a normal level i'm told i'll need to;

New liners
Clean and machine pistons to suit new liners
Clean and grind crank
Timing chain
Have my wallet surgically extracted from my a$$

does this look about right to anyone that's gone through this?

**Keithy P38** · 8th March 2011, 06:49 PM

A full rebuild shouldn't cost anymore than $5k... I built a performance motor for a friend at $5.5k and that was cost price (no trade discount). If you shop around I rekon you'd find a N.O.S 4.6 from overseas and have it on your door for cheaper than that!

Cheers
Keithy

**justinc** · 8th March 2011, 07:53 PM

Originally Posted by Keithy P38

A full rebuild shouldn't cost anymore than $5k... I built a performance motor for a friend at $5.5k and that was cost price (no trade discount). If you shop around I rekon you'd find a N.O.S 4.6 from overseas and have it on your door for cheaper than that!

Cheers
Keithy

Not with Liners, Pistons, machining, gaskets, bearings, rings etc, and labour to fit it all together and IN the vehicle, filled with all fluids, radiator tested/ cleaned, tested and delivered. 8K is cheap.

JC

**davo52** · 8th March 2011, 08:33 PM

I had mine and my wife's HSE's both give up the ghost last easter. Rebuilt one with a tophatted short motor with new cam and followers and the other with a tophatted block for about that amount. Labour was my own though.

**Pedro_The_Swift** · 8th March 2011, 08:36 PM

and no sane reason for spending that amount and NOT getting top hats,,,

**Pedro_The_Swift** · 8th March 2011, 08:40 PM

Originally Posted by davo52

I had mine and my wife's HSE's both give up the ghost last easter. Rebuilt one with a tophatted short motor with new cam and followers and the other with a tophatted block for about that amount. Labour was my own though.

His and Hers HSE's,,
ya gotta love that!

Pics?

**Rupert Prior** · 8th March 2011, 10:05 PM

if it has blue smoke out the back it is probably past help but, how many K's on your motor and what service history? have you tried a wet test? does the the cam have any lobes left?

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