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Fully assembled

I used a 2 mm washer under the nut. This gave me over 1 thread out of the nut. After assembly there was just on 1 mm clearance to the cam gear.

Will still look at thinner washer and or milling head. Thanks. Kris

I decided to try just loweing the thread in the block. In standard form the thread starts aprox 11.35mm past the machined surface of the block and continues for aprox 55mm. There is only 25mm of thread on the stud, so there is heaps more thread in the block below the stud. I got a 11.5mm...

Im looking into that. Seeing my machinist today about milling ti down a few mm and lowering the thread in the block to get the stud down another 6 mm

Thanks for that. Will start the search for a thinner washer. 1uz head bolt washers are the same as the arp ones.

Got to measure the studs with a 70th head gasket.. As expected the intake cam gear fowles on the stud by 5.3 mm. There is 6.4mm of thread above the nut. Should fit with a little trim. All other threads on exhaust side have 1 thread above the nut before torqing down, and intake side have about...

I will know latter this week. Will update then. I suspect it will need shortening.

Photos did not download in last post.....

Studs turned up today. They measure up good at this stage..

There is a little more info about this on another forum. http://www.v-eight.com/tech_forum/viewtopic.php?f=4&t=1308&st=0&sk=t&sd=a&start=120

Ha. It sure is. A company here sells a set for nearly $500 by the time postage is paid. So the people who know are making an easy $170 a set.

A thread here about it. http://www.lextreme.com/forums/showthread.php?t=15954 To suit the 1uz non vvt. Not sure if they share the same head bolt as each other. I will know latter this week if the part no is correct for the head stud...

Hope you paid thru paypal. Get a refund.

Has the engine been pressure washed? I had a similar problem. Some water entered down into the spark plug tubes. Dried it all out. Problem fixed.

"I'd love to know the truth on this! Everyone seems to keep info so close to their chest on these cars, and I'd like some too. " Yep thats what Im finding too. Now im getting a different part number from arp when I questioned the thread pitch that goes into the block.... Seems the part number...

Yeah seems strange. The advice on part number came from arp.

I got a reply back from arp. kris For the Toyota IUZFE KIT # 151-5405 X 2 and each kit has 10-studs / nuts & washers that are 4.950 long with a thread pitch of 10mm x 1.25. RonF Sent: Monday, April 22, 2013 12:03 AM To: info Subject: Website Submitted Question from Kris Question...

Kris For the Toyota IUZFE KIT # 151-5405 X 2 and each kit has 10-studs / nuts & washers that are 4.950 long with a thread pitch of 10mm x 1.25. RonF Sent: Monday, April 22, 2013 12:03 AM To: info Subject: Website Submitted Question from Kris Question Number: 62165 Kris -...

Does anyone know for sure what the arp part number is to sit the 1uz is? Ive got 2 sets to suit the 3sgte but has a different thread that goes into the block. The length is right, just the tread pitch is wrong. I suspect this kit is intended for an iron block as the treads in this kit is finer...