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The mkiv Supra Owners Club

limits of parts


dr_jekyll
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I think rods / pistons are good to around 600bhp

 

It's the rod bolts that are the weak link. They snap after 800hp.

The stock rods and pistons are a lot stronger than that. Jamie made 894 flywheel horsepower on a bone stock bottom end and I made 778 hub horsepower on stock pistons and rods with uprated rod bolts. Jamie has gone for a built engine but mine is still going strong. There's loads of members on here who have made over 600hp on stock internals and still running fine.

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Wasn't that on a mile run with a squirt of Nos ;)

 

You are getting mixed up dude, i broke my stoke engine at a mile event, bent a rod, no nitrous and it was only running 1.3bar in the top gears.

 

I also broke the 894bhp built engine at a mile event, i used race fuel with the wrong injectors, O-ring swelled up and restricted fuel and melted a piston.

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You are getting mixed up dude, i broke my stoke engine at a mile event, bent a rod, no nitrous and it was only running 1.3bar in the top gears.

 

I also broke the 894bhp built engine at a mile event, i used race fuel with the wrong injectors, O-ring swelled up and restricted fuel and melted a piston.

 

Sorry dude my mistake. I can see a habit emerging here though lol.

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