Fastest 1G-GTE powered Cressida

[scientist]

Just maybe the fastest 1G-GTE in the world

http://forums.toyotacressida.net/forums ... hp?t=48387

Kyle ran a 9.71@136mph, followed up by a 9.74. These times are straight off the trailer, and the first full power passes the car has ever done.

For those that don't know, he owns a KE70 Corolla Panel van powered by a 1GGTE.

This most likely makes it the fastest 1G powered car in the world.

Posted by the owner of the car:

For those who would like to know all the details, I'm happy to divulge most of the setup. The car retains standard pistons, crank and rods, and runs Hastings rings, king big end bearings and ACL race series mains. We broke 2 stock import bottom ends, the factory oiling system simply doesn't supply enough oil to the big ends at the power levels the car is making and we just smashed big ends out of it. I have done a massive amount of oiling system mods, thanks to swift race engines in brissy for the work, it has worked brilliantly, but as I was worried about breaking another engine, we decided to use stock pistons and so forth and just do the oil system mods to see if it will live.

The head is massively ported, its taken about as far as I can go without putting bigger valves in it, which are still standard. The cams are as big as I could fit with 250 degrees duration at .050" and 9.2mm lift, and run my own billet CNC cam gears we designed for the engine, they are basically dialled in to make peak power and nothing else, it has the most awesome note of any small 6 I've heard, very lumpy!! I've done oil restrictor to the head, head coolant bleeds which you can see returning just above the tappet cover to the top rad tank, and extra oil drain backs to the sump.

It also runs ARP main studs and ARP head studs, and I'm working on a 20mm billet main girdle to tie the main caps to the sump rails. As far as the engine goes now, its nothing special, anyone here could replicate it, the only expensive parts in it are the HKS head gasket at $400 and the cams at $1200 from Tighe Cams. Everything else is pretty much standard with good prep work. Its backed by a Keas 3 speed 350rwkw Jatco transmission with TCE 7100rpm converter, which surprisingly is sweet to drive on teh street with good usable lockup at 3000rpm. It also has my own design exhaust manifold supporting a Mr Turbo T66 ball bearing turbo, which i can't speak highly enough of, it is only 500rpm laggier than my GT35 was with no cams and smaller exhaust runners!! This runs through an ARE front mount intercooler at 570x300x75mm, into a ARE dry ice box. The front mount takes out most of the heat, meaning the ice box can be very small to still get negative temps. Also means you have front mount on the street.

We are starting the run at -27 degrees inlet temp when I leave the line and its still at just gets to 0 degrees by the 1200ft mark, at the end of teh run at about 1400 ft is about 7 degrees C. We are making a weight shifted 550hp at the engine on 24.2psi, the car weighs 1240kg with driver, and I'm revving it to 8800rpm on the 1-2 and 2-3 shift and crossing the line at 8600rpm, with 4.56 diff gears and 26x8.5" mickey thompson tyres. It made 396rwhp on 22.5psi and 422rwhp with dry ice. At low boost levels, teh dry ice doesn't give that big a power gain, in this case 37hp at the flywheel, but boost comes on over 1000rpm sooner, and I use primarily to get the car up on the converter instead of using gas. I'd say it would have been making about 440-450rwhp at the 24psi it ran at the track.

I don't know where the path leads from here, the car run a 1.34 60ft first pass, so I'm not going to impsove that much, the car will also be for sale shortly after I hopefully have it featured in a magazine to remember it by, I was thinking of taking it out again in 2-3 weeks and running it on 28psi and see if its got a 9.40-9.50 in it as it sits. The combination has just turned out perfect, I couldn't have asked for more, but it was designed to run 32-36psi, so there is much more left in it. The whole car is engineered and will be re registered in the coming weeks, the undercarriage and interior are just as good as the engine bay and exterior. Don't suppose anyones in the market for a potenial 8 sec street car/show car by any chance??

If you have any questions guys please feel free to ask, sorry for the long post, I only wrote it all cause I know toyota guys are pretty tech minded and liek to know the how and why and I am more than happy to share info so we can all drive some quick 1g's

And yes, you read it correctly, 550hp@24psi, stock pistons, rods, crank, valves and intake Gotta love toyota engineering

6BOOST
Cheers.....................................6BOOST

PS, yes they are the factory runners albeit power ported by Specialised Power Porting with an XF throttle.