Guest KSTUNING Posted November 26, 2009 Share Posted November 26, 2009 Does anyone has an autozone number or a other tip for a better crankshaft gasket for the 2jz-gte? Found one autozone number on a forum but they didnt sell neither could they get me the item... Thanks! Quote Link to comment Share on other sites More sharing options...
dude Posted November 26, 2009 Share Posted November 26, 2009 What exactly do you mean by a 'crankshaft' gasket dude???? there are not too many gaskets down the bottom of the engine. Quote Link to comment Share on other sites More sharing options...
Guest KSTUNING Posted November 26, 2009 Share Posted November 26, 2009 The gasket towards the oil pump... The gasket that is the issue to high oil preassure... Quote Link to comment Share on other sites More sharing options...
dude Posted November 26, 2009 Share Posted November 26, 2009 The gasket towards the oil pump... The gasket that is the issue to high oil preassure... Send a pic or link dude, ive never blown a gasket due to oil pressure, do you mean the front crank seal ??? Quote Link to comment Share on other sites More sharing options...
Guest KSTUNING Posted November 26, 2009 Share Posted November 26, 2009 Yes... The front crank seal... Quote Link to comment Share on other sites More sharing options...
TLicense Posted November 26, 2009 Share Posted November 26, 2009 Why do you feel that you need a new "gasket"? (It's a 'seal' by the way, not a gasket ) I imagine the problem you're having is that the seal keep popping out? If that is the case then the problem doesn't lie with the seal, it more likely a problem with the installation of the seal (it doesn't get pushed all the way) or a problem with your oil pump. Generally if the other issues are resolved then the standard Toyota seal is more than adequate. Quote Link to comment Share on other sites More sharing options...
dude Posted November 26, 2009 Share Posted November 26, 2009 Why do you feel that you need a new "gasket"? (It's a 'seal' by the way, not a gasket ) I imagine the problem you're having is that the seal keep popping out? If that is the case then the problem doesn't lie with the seal, it more likely a problem with the installation of the seal (it doesn't get pushed all the way) or a problem with your oil pump. Generally if the other issues are resolved then the standard Toyota seal is more than adequate. Agreed Tony. Try looking up 'oil pump mod' or maybe someone can post a link. Quote Link to comment Share on other sites More sharing options...
Guest KSTUNING Posted November 26, 2009 Share Posted November 26, 2009 Yea... Thanks... SEAL for ffs sake... lol... Bought used jspec and I am doing a engine rebuild... Never started it, but clarings and all looks wery good! Well... A long ongoing question about the supra oil pump has been haunting my mind... Some says the pump is SHIT and need heavy modifying... To much preassure towards the front SEAL...Ect.... Some says its enough to change to a new oilpump...And leave everything the way it supposed to be. I have bought a new OEM oil pump... And was planning to get a better crank SEAL and drill up the flow/outgoing hole in the oil pump... Quote Link to comment Share on other sites More sharing options...
dude Posted November 26, 2009 Share Posted November 26, 2009 Yea... Thanks... SEAL for ffs sake... lol... Bought used jspec and I am doing a engine rebuild... Never started it, but clarings and all looks wery good! Well... A long ongoing question about the supra oil pump has been haunting my mind... Some says the pump is SHIT and need heavy modifying... To much preassure towards the front SEAL...Ect.... Some says its enough to change to a new oilpump...And leave everything the way it supposed to be. I have bought a new OEM oil pump... And was planning to get a better crank SEAL and drill up the flow/outgoing hole in the oil pump... Is this car a single or twin turbo, try modding the breather system as well as the pump. Quote Link to comment Share on other sites More sharing options...
Guest KSTUNING Posted November 26, 2009 Share Posted November 26, 2009 (edited) Singelturbo... Precision 6765. Hks 264... Will go for a place between 6-700hp... Not more than stock rpm... What do you lay in the words breather system? You mean like ventilating the cam covers? Edited November 26, 2009 by KSTUNING (see edit history) Quote Link to comment Share on other sites More sharing options...
dude Posted November 26, 2009 Share Posted November 26, 2009 Singelturbo... Precision 6765. Hks 264... Will go for a place between 6-700hp... Not more than stock rpm... What do you lay in the words breather system? You mean like ventilating the cam covers? Yes exactly that, try running 2 -12 hoses to a catch tank, one from each cam cover (you will need to lose the PCV valve) you can vent the tank with a K&N or run a hose back to the intake to the turbo or just under the car. Quote Link to comment Share on other sites More sharing options...
Tricky-Ricky Posted November 26, 2009 Share Posted November 26, 2009 Take a look at this thread http://www.mkivsupra.net/vbb/showthread.php?t=108524&highlight=oil+pump&page=21 9 times out of 10 FMS failure will be down to oil pump wear over pressuring the FMS , the only time you will might possibly see enough pressure in the crankcase to make the seal fail, is if you have VERY worn rings and bore and are running HIGH boost. The oil drain that connects to FMS to the rest of the crankcase is too small to allow a large pressure to transference. You would also need to have a malfunctioning std breather system. Quote Link to comment Share on other sites More sharing options...
Guest KSTUNING Posted November 26, 2009 Share Posted November 26, 2009 Thanks guys! 1- Modify the breather 2- Drilling the Oilpump hole, (Is drilling 5mm enough?) And that should do the trick? Quote Link to comment Share on other sites More sharing options...
dude Posted November 26, 2009 Share Posted November 26, 2009 (edited) Thanks guys! 1- Modify the breather 2- Drilling the Oilpump hole, (Is drilling 5mm enough?) And that should do the trick? Personally and some frown on it I always use the thinist of smears of sealer to 'stick' the seal in the block after cleaning all around with brake cleaner, had no problem with my old car blowing seals and that did 'breathe' a bit. Some also put a 2nd spring in the seal so it clamps the crank a bit more although seals can wear a groove in a crank , so thats worth checking too. Edited November 26, 2009 by dude (see edit history) Quote Link to comment Share on other sites More sharing options...
Tricky-Ricky Posted November 26, 2009 Share Posted November 26, 2009 A new pump and seal should sort it, quite frankly although drilling the pump drain out to about 5mm will last a little longer should the pump wear, it won't stop the seal failing as even with a modded pump drain, mine caused the seal to fail, as you will see in the pics on the oil pump thread. Quote Link to comment Share on other sites More sharing options...
Guest KSTUNING Posted November 26, 2009 Share Posted November 26, 2009 If the seal is breaking with 5mm hole... Maybe drill even bigger hole...?!? But then the next question appears... Does a bigger hole make less oil preassure? Quote Link to comment Share on other sites More sharing options...
Tricky-Ricky Posted November 26, 2009 Share Posted November 26, 2009 If the seal is breaking with 5mm hole... Maybe drill even bigger hole...?!? But then the next question appears... Does a bigger hole make less oil preassure? No you're misunderstanding, the hole we are talking about is just behind the front main seal in the oil pump, its there to provide drainage for any excess oil that gets past the contact surfaces of the pump. On a healthy pump it is quite adequate, but once the pump starts to wear, more oil can escape and eventually the drain is not able to cope, and so the oil builds up and pressurises behind the seal, which is what causes the seal to fail. By opening up the size of this drain hole, you are basically giving the pump more ability to wear before it manifests as FMS failure, The hole is approx only 2mm dia as std, you can safely open it out to 5mm, possibly 6mm, but there would be more chance of breaking through into another part of the pump, so i wouldn't recommend it. THE SIZE OF THE DRAIN HOLE HAS NO IMPACT ON OIL PRESSURE! This is the reason i advised fitting a new pump and seal to cure your problem, opening out the drain hole will just give more leeway for wear before leaking. Quote Link to comment Share on other sites More sharing options...
Chiefgroover Posted November 26, 2009 Share Posted November 26, 2009 The seal is made by NOK who have an updated model you'll find the part number on supraforums.com. Toyota still sell the old model. Quote Link to comment Share on other sites More sharing options...
Tricky-Ricky Posted November 27, 2009 Share Posted November 27, 2009 Just to add that no matter which seal is fitted, or indeed screw retainers are fitted, the seal will still fail if the oil pump is worn enough. Quote Link to comment Share on other sites More sharing options...
Guest KSTUNING Posted November 27, 2009 Share Posted November 27, 2009 Thanks for the info... Will give this a try... CHEERS! Quote Link to comment Share on other sites More sharing options...
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.