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The mkiv Supra Owners Club

the time has come


steady_eddie
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just finished yet another BHG on the dreaded 7M-GTE and im only running 260bhp :swear: ....................

so after seing the prices for a mkivTT manual around 93-94 and also getting and insurance quote for one (30quid cheaper than my mkiii at £900.60 fully comp) i am goin to sell my mkiii in a month or so and buy a mkiv at the end of the summer as i think they will be cheaper then :) ........

 

does the 2jz-gte have and problems that you should look out for? what about the rest of the car?

 

cant wait now, some really nice cars on this site

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The MKIV has a few common problems but none of them are ever so common like the MKIII BHG issue.

A few MKIV problems off the top of my head:

Blown turbos if abused,

Crank pulley failure,

Cracked radiator tanks.

Leaky valve stem seals

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No problems apart from the turbos, which arnt really an issue unless the car has excessive miles or they've been heavily boosted.

 

You're making a good/the right move. :thumbs:

whats the standard boost and what an the standard turbo's boost up too with out straining them?? also (so many questions lol) are the expensive to upgrade?

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Standard boost is about 0.8bar but they're usually OK up to about 1.2 bar.

Obviously running them at anything over stock boost will decrease their life expectancy.

 

Second-hand turbos can be bought quite cheaply (£250-£400) but the labour charge for fitting them would be a lot (I guess it's something like 15-20 hours work but not sure really)

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Standard boost is about 0.8bar but they're usually OK up to about 1.2 bar.

Obviously running them at anything over stock boost will decrease their life expectancy.

 

Second-hand turbos can be bought quite cheaply (£250-£400) but the labour charge for fitting them would be a lot (I guess it's something like 15-20 hours work but not sure really)

how many hours???? thats how long it took me to fix a BHG on a mkiii. dam were are these turbo's built into the pistons or something, surely it cant take that long

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The MKIV has a few common problems but none of them are ever so common like the MKIII BHG issue.

A few MKIV problems off the top of my head:

Blown turbos if abused,

Crank pulley failure,

Cracked radiator tanks.

Leaky valve stem seals

 

Blown crank oil seal would be another i'd add to this list. All of these are really as a result of abuse or general wear rather than design fault though.

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