Purchasing 500,000+ km County with 4BD1? Too many miles?

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Originally Posted by justinc

At 700,000km approx, mine got new liners pistons and bearings. The main bearings couldve been refitted they were hardly worn, and the crank just needed a polish.
In its early years it was over serviced, and even after the addition of a turbocharger at about 480k it just soldiered on...

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Hi Justin,

I'm at around the 500km mark and was pondering a turbo conversion with a mild boost but was a bit concerned I was about to make the 4BD1 into a hand grenade...would it be fair to say I'm worrying a bit to much about this ? I'm not sure how many NA motors have been turbo-ed out there and how safe it is to turbo an NA unit with that many km's.

You are worrying to much, just do it.

Agree with Vern
Do it you won’t regret it

Just do it, and keep your EGT to a lower threshold if you are concerned. 600deg upstream will be a very safe level and give you good performance. I did mine at around 480k, but it got some huge caning, towing and "testing" at big fuel settings. Took quite a while to kill it...

Righto...I've pulled the trigger tonight and ordered the turbo kit! Here goes.

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Originally Posted by Zcoota

Righto...I've pulled the trigger tonight and ordered the turbo kit! Here goes.

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Mate did you by the kit from KLR or another source ? Just wondering if any one else makes a kit ?

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Originally Posted by Bazzle218

Mate did you by the kit from KLR or another source ? Just wondering if any one else makes a kit ?

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I’ve gone with the KLR, I know it’s cheaper if you source all the parts yourself but it seems like a pretty good deal that they’re offering with everything in one box. If it wasn’t for all this Covid business I probably would have paid the extra and got them to fit it all up.

Turboglide also do a kit

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Originally Posted by Vern

Turboglide also do a kit

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I'm In Townsville Nth Qld, look like they only do an in house install. Unfortunately.

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Originally Posted by Bazzle218

I'm In Townsville Nth Qld, look like they only do an in house install. Unfortunately.

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My county has one on it, there is a write up on the build on here by the previous owner many many years ago, he installed it himself. But looking at the 'kit' it all looks basically off the shelf from isuzu and garret