How to Rebuild a 1600cc Mx5 Engine?

Discussions relating to Turbochargers, Superchargers, Induction, Engine Mods, Exhaust Mods, and other items specifically to make your MX5 or Roadster put out more power.

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Wannabe Kiwi
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Tentative sideways sliding....
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Location: Christchurch

Post by Wannabe Kiwi » Sun Jan 31, 2010 2:44 am

Hey guys,

Just thought you may like to know I've just purchased the engine in question, I can confirm after taking it apart that it is in fact in good condition. Compression test shows 153psi on all 4 cylinders. Had to swap the sumps over between my NA motor and this new one as it's obviously been turbo'd at some point in its life but so far so good.

The engine is ready to be installed into the car and I will update tomorrow with first start details but so far so good.

Wannabe Kiwi
Tentative sideways sliding....
Tentative sideways sliding....
Posts: 24
Joined: Sun Nov 08, 2009 3:34 pm
Location: Christchurch

Post by Wannabe Kiwi » Mon Feb 01, 2010 12:15 am

So the engine is now in the car. Started first time, it sounds alot different from the original engine however I presume this is something to do with the cams.

Did another compression test and got 160psi on 1 & 4 and 155 on 2 & 3. Its way more responsive and from a quick drive up the street and back its certainly got more grunt. Just need a new air flow meter as i managed to drop mine off the roof when it was on the hoist (careless I know) and then it will be running sweet. Will post photos and videos soon.

sprsta
I have stars, you haven't. Deal with it
I have stars, you haven't.  Deal with it
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Location: auckland

Post by sprsta » Tue Feb 02, 2010 7:16 am

got an afm. pm me if you want it

Wannabe Kiwi
Tentative sideways sliding....
Tentative sideways sliding....
Posts: 24
Joined: Sun Nov 08, 2009 3:34 pm
Location: Christchurch

Post by Wannabe Kiwi » Tue Feb 02, 2010 10:32 pm

Hey man thanks but I got one. I do need a TPS though, square type.

sprsta
I have stars, you haven't. Deal with it
I have stars, you haven't.  Deal with it
Posts: 1024
Joined: Mon Aug 25, 2008 6:11 pm
Location: auckland

Post by sprsta » Wed Feb 03, 2010 7:12 am

got one of those too

Wannabe Kiwi
Tentative sideways sliding....
Tentative sideways sliding....
Posts: 24
Joined: Sun Nov 08, 2009 3:34 pm
Location: Christchurch

Post by Wannabe Kiwi » Wed Feb 03, 2010 1:29 pm

how much you want for it man?

sprsta
I have stars, you haven't. Deal with it
I have stars, you haven't.  Deal with it
Posts: 1024
Joined: Mon Aug 25, 2008 6:11 pm
Location: auckland

Post by sprsta » Wed Feb 03, 2010 6:58 pm

PM'd

sprsta
I have stars, you haven't. Deal with it
I have stars, you haven't.  Deal with it
Posts: 1024
Joined: Mon Aug 25, 2008 6:11 pm
Location: auckland

Post by sprsta » Fri Feb 12, 2010 9:35 pm

hopefully you should have it by now sorry it took some time

Wannabe Kiwi
Tentative sideways sliding....
Tentative sideways sliding....
Posts: 24
Joined: Sun Nov 08, 2009 3:34 pm
Location: Christchurch

Post by Wannabe Kiwi » Wed Feb 24, 2010 12:41 pm

Yea i got it, Cheers man.

Just so you all know this engine is still going strong, it gets driven harder than your average 5, up on the hills at least 3 times a week

brownie
I count 5-s in my sleep
I count 5-s in my sleep
Posts: 408
Joined: Wed Mar 26, 2008 10:19 pm
Location: CH CH

Post by brownie » Wed Feb 24, 2010 10:32 pm

Have you put the o2 sensor in yet?

Wannabe Kiwi
Tentative sideways sliding....
Tentative sideways sliding....
Posts: 24
Joined: Sun Nov 08, 2009 3:34 pm
Location: Christchurch

Post by Wannabe Kiwi » Thu Feb 25, 2010 3:53 am

Yes i have I put it in this morning. I think it may have made a difference, getting better fuel economy but i've only really driven open road since so im still not 100% if it has helped. Will let you know by end of tomorrow and as i said if it works your fridge will look alot better :)

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