SimonR32

Back at Racewars again this year. Precision 6262 on near enough to 2bar with stock bottom end and United E85 19.4 @ 276km/hr over standing 1000m

Racewars again on the weekend, went a little quicker and faster than last year on the 0-1000m run

I would have considered a EFR8374 if it came in a smaller housing/external gate 0.8ish rear, front cover without the extra crap would be handy as well

So last time it ran that power on the first run it lifted the head and stretched the standard head studs, we turned it back down and I installed ARP2000 head studs the next day but have never run it at that power. Went back for a quick check on the dyno on Saturday before Racewars this year and it made pretty much the same power with no problems lifting the head again. Was missing very slightly so I need to chuck in a new set of plugs and drop the gaps down a little but apart from that was very happy to see it making basically the same power. Was tempted to push for a little more but I think this is more than adequate for a stock bottom end and stock gearbox

Sorry long gone

Glad to hear you have it under control! I'll be interested to see how mine goes if/when I get down to Collie, venting the sump seems to make all the difference

When does it come on boost currently? I had a Z on my old GTR, the 6262 is a little better but not miles

My old car has finally killed a motor but the turbo is still going strong nearly 4 years later. If the same person is having the same problems it may be an install/ set up error?

I'm with you, build something that will race all day, drive home and then back again for more. Working on breakages (plus their associated costs) sucks hard. My GTR is now getting to the point where it is fairly reliable *touches wood* and I've done 4 track days in a row without anything done apart from regular maintenance. I believe it's more sensible to run the engine within it's limits rather than saying I need a forged bottom end. My motor with a stock bottom end has been running 450rwkw at the track for around 18 months now and I track it around once a month. Put on a good balancer, billet gears, sump extension and a good catch can with breathers/drains to the sump and you're laughing. Stock bottom end is strong enough for more power than you're ever going to need at the track. Keep the RPM below 7500 (I try and change at 7000 but sometimes get up to 7500) and don't smash limiter or punch gears and you should have a fairly reliable car.

There is a thread in the forced induction section, enough examples in the thread to warrant a change to ati or OEM

Where from, how much... I need one of those covers in my life!

Just under 2 bar...Here is the graph

I've got a 6262 up to 530rwkw so a 6466 is going to smash in 500, I wouldn't be surprised to see it north of 600rwkw fairly easily

Twin 6262's, not bad mph!

Unless you have a GTR

Depending on weight it should go over 140mph with that kind of power and with grip and a decent launch 9's shouldn't be out of the question

Evo 7 = weak rods haha

Noticed this... How's the run in going?

No that is not normal... What tyres, what width and what suspension do you have? Without much information my guess would be you have a dead transfer case if you are losing traction in 3rd

No

This looks like it's going to be insane, looking forward to seeing it finished.

media trick worked, cheers

Doesn't like me again

www.youtube.com/pCAyYM3Xu6o test