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Well . . . after much hand-wringing and midnight consternation, I realized that those standard 1UZ valve springs just weren't going to do the job. At only "42-46 pounds" of seat pressure, they are a tad too light for my high lift Kelford cams at my intended 7000 rpm shift points and at the...

Well . . . after much hand-wringing and midnight consternation, I realized that those standard 1UZ valve springs just weren't going to do the job. At only "42-46 pounds" of seat pressure, they are a tad too light for my high lift Kelford cams at my intended 7000 rpm shift points and at the...

Well . . . after much hand-wringing and midnight consternation, I realized that those standard 1UZ valve springs just weren't going to do the job. At only "42-46 pounds" of seat pressure, they are a tad too light for my high lift Kelford cams at my intended 7000 rpm shift points and at the...

ed_ma61, thanks for those weights. Very useful! Has anyone here actually used the 1JZ or 2JZ valve springs in their 1UZ? If so, what mods are needed to do it the right way. I am at that point of buttoning up the motor for the last time and I have this nagging thought that I may regret not...

Has anyone here actually used the 1JZ or 2JZ valve springs in their 1UZ? If so, what mods are needed to do it the right way. I am at that point of buttoning up the motor for the last time and I have this nagging thought that I may regret not doing this (if it can be done). The racer in me says...

Yes, I have had a deep rear sump oil pan fabricated from aluminum (see photo above). I am at that point of buttoning up the motor for the last time . . . and am wondering if I should use 1JZ or 2JZ valve springs . . . . . has anyone here used these on their 1UZ, and if so, what mods are needed...

Out with the old . . . . . . . . . . . and soon in with the new supercharged 1UZ. Gee, I hope there is room enough!

Zuffen . . . here is a photo of one of the intake cams . . . the plugs are there. Whew!

Not a lot of bare steel in that photo . . . 99% aluminum. But, yes, Hot Rod Porn for sure!

Justen, thanks for the info. I am thinking about holding a "Name That Rear Wheel Horsepower" contest for my 1UZ build project. I have a few team t-shirts for prizes. I would learn a lot (and the Members, too). What do you think? No entry fee, and assume my AEM tuner is The Genius of the...

Thanks for the helpful tip, I appreciate it. I will check. Here is a photo. Dr. Jeff Harper Harper Racing Bangkok

AL510. Thank you very much.

Thanks for the replies . . . and the helpful information on piston weight. Yes, the auto trans sucks some power, but for drag racing on a sometime slippery track, it is the way to go. Do not underestimate the power loss of turbocharging as a result of exhaust restriction - it can be...

More progress. My 1UZ has been cleaned and the heads bolted on utilizing a 2mm head gaskets. I have had the Kelford 207 T-1 camshafts installed and pre-lubricated with Crane Cam Lube. The fabricated deep sump pan turned out great. I trailered my Familia drag truck to the shop (175 kilometers...

XR8tt, thanks for your interest. I have changed my mind about upgrading the MicroTech ECU I am currently using on my 1.5JZ for use on the 1UZ (as I mentioned here and on the Microtdech forum). The guy who is buying my 1.5JZ is also buying the MicroTech, loom, coils, and wires. I will be using...

Cribbj, Thanks for your reply. I am interested in the forged pistons, was thinking about perhaps putting them on the standard con rods, but didn't want to put anything there that was heavier than standard. My project is progressing nicely. I have gathered up almost all the pieces I will need...

Justen, Thanks for the encouragement.. Yes, I plan to use the 1UZ in full racing mode. My little Familia has been a lot of fun. Regards, Dr. Jeff Harper Harper Racing Bangkok http://drjeffbangkok.squarespace.com/racing-projects-blog/

I thought you guys might like to see the oil pan I will be using on my 1UZ-powered drag truck. If you want to follow my progress (and mistakes!) on building a supercharged 1UZ for my drag racer, you can go to this tread on this site: http://www.lextreme.com/forums/showthread.php?t=12291 Best...

I want to thank you guys for all your help on this. If you want to follow my progress (and mistakes!) on building a supercharged 1UZ for my drag racer, you can go to this tread on this site: http://www.lextreme.com/forums/showthread.php?t=12291 Best Regards, Dr. Jeff Harper Harper Racing Bangkok

I want to thank you guys for all your help on this. If you want to follow my progress (and mistakes!) on building a supercharged 1UZ for my drag racer, you can go to this tread on this site: http://www.lextreme.com/forums/showthread.php?t=12291 Best Regards, Dr. Jeff Harper Harper Racing Bangkok