January 13, 201115 yr comment_495128 Hey guys, Just wondering how much boost/psi a stock standard 5k could take? I'm planning on doing a twincharge setup at the moment... Cheers, Jake. Report
January 13, 201115 yr comment_495130 Do a search for madrolla's setup, fairly sure he put 20psi on a stock bottom end. If you run a 4K head on the 5K and drop the compression it's all about a good quality tune that doesn't detonate and rattle your pistons to bits. Report
January 14, 201115 yr comment_495258 Yeah Madrolla ran upwards of 23psi. I've also recorded 22psi on my data logger. As said above its pretty easy to drop the CR of a 5k, then it really all does just come down to the tune, espeacially timing. Report
January 14, 201115 yr Author comment_495335 Thanks guys. I knew I['d have to retard the timing but I'm not too keen on swapping the head for a 4k head, can't I just get the compression of the 5k head altered? Cheers, Jake. Report
January 14, 201115 yr comment_495340 t25? gt28? gt30? Not really the right question, what an engine can handle is not measured in boost, horsepower/ kw would be a better indication. Report
January 14, 201115 yr Author comment_495359 t25? gt28? gt30? Not really the right question, what an engine can handle is not measured in boost, horsepower/ kw would be a better indication. Well, I'm running an AMR500 supercharger at the moment, with plans to add a t25 into the mix. If that helps? Cheers, Jake. Report
January 15, 201115 yr comment_495583 Mmmm twin charge, best of both worlds. Always wondered why this isn't more common. Report
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