Engine rebuild

mkiiisupra · 11-23-2010, 05:29 PM

Everything is stripped off my engine and the head is ready to be pulled. Its about ready to go off to the machine shope and i had some questions related to that.

MHG with only the head milled?

What else should I have the machine shop do while they have the head?

Ultimate goal is 450whp I have all the supporting external mods for this in place/or ready to install.

Ranma · 11-23-2010, 06:39 PM

Quote:

Originally Posted by mkiiisupra

Everything is stripped off my engine and the head is ready to be pulled. Its about ready to go off to the machine shope and i had some questions related to that.

MHG with only the head milled?

What else should I have the machine shop do while they have the head?

Ultimate goal is 450whp I have all the supporting external mods for this in place/or ready to install.

They can pressure check it, looking for cracks. You might as well have the valves done while you are at it.

mkiiisupra · 11-23-2010, 11:30 PM

Valves done?
Liked cleaned and checked or replaced?

907mge · 11-24-2010, 01:52 AM

Cleaned, valves and seats reground. It helps to restore compression. Are you rebuilding the block also?

mkiiisupra · 11-24-2010, 03:10 AM

no, id like to do just the head.

Ive done all my own mechanical work on this car and learned how from this forum and others. Have no previous mechanical background so pulling the engine alone is not something i want to do at this point.

Plus if i pull the block i may as well spend the money and have whole thing rebuilt with upgraded parts.

907mge · 11-24-2010, 03:59 AM

I'll amit that I don't know that much about building for high hp but if you are trying to more than double the hp from stock I would make sure the bottom end is order. I mean the 7mgte came stock with 220hp at the crank, so 450hp at the wheels is alot when you account for a 15% power loss for the drivetrain . And when I did my hg I realized how little is left to pull the motor once the head is off.

mkiiisupra · 11-24-2010, 06:51 AM

been looking for a guide with pics on block removal to get a better idea of what else is involved past the head removal all ive found is http://www.supramania.com/forums/sho...-49-easy-steps.

11-23-2010, 05:29 PM	#1
mkiiisupra Lexus & 550's Join Date: Sep 2007 Location: Las Vegas, NV Posts: 570 Blog Entries: 1	Engine rebuild Everything is stripped off my engine and the head is ready to be pulled. Its about ready to go off to the machine shope and i had some questions related to that. MHG with only the head milled? What else should I have the machine shop do while they have the head? Ultimate goal is 450whp I have all the supporting external mods for this in place/or ready to install. __________________ 1990 Toyota Supra Turbo A/T ------------------------------------------------ Questions about oil? take a look http://www.supramania.com/aehaas/

11-23-2010, 11:30 PM	#3
mkiiisupra Lexus & 550's Join Date: Sep 2007 Location: Las Vegas, NV Posts: 570 Blog Entries: 1	Valves done? Liked cleaned and checked or replaced? __________________ 1990 Toyota Supra Turbo A/T ------------------------------------------------ Questions about oil? take a look http://www.supramania.com/aehaas/

11-24-2010, 03:10 AM	#5
mkiiisupra Lexus & 550's Join Date: Sep 2007 Location: Las Vegas, NV Posts: 570 Blog Entries: 1	no, id like to do just the head. Ive done all my own mechanical work on this car and learned how from this forum and others. Have no previous mechanical background so pulling the engine alone is not something i want to do at this point. Plus if i pull the block i may as well spend the money and have whole thing rebuilt with upgraded parts. __________________ 1990 Toyota Supra Turbo A/T ------------------------------------------------ Questions about oil? take a look http://www.supramania.com/aehaas/

11-24-2010, 06:51 AM	#7
mkiiisupra Lexus & 550's Join Date: Sep 2007 Location: Las Vegas, NV Posts: 570 Blog Entries: 1	been looking for a guide with pics on block removal to get a better idea of what else is involved past the head removal all ive found is http://www.supramania.com/forums/sho...-49-easy-steps. __________________ 1990 Toyota Supra Turbo A/T ------------------------------------------------ Questions about oil? take a look http://www.supramania.com/aehaas/

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11-24-2010, 01:52 AM	#4
907mge 20psi boost Join Date: Dec 2009 Location: Harrisburg Posts: 759	Cleaned, valves and seats reground. It helps to restore compression. Are you rebuilding the block also?

11-24-2010, 03:59 AM	#6
907mge 20psi boost Join Date: Dec 2009 Location: Harrisburg Posts: 759	I'll amit that I don't know that much about building for high hp but if you are trying to more than double the hp from stock I would make sure the bottom end is order. I mean the 7mgte came stock with 220hp at the crank, so 450hp at the wheels is alot when you account for a 15% power loss for the drivetrain . And when I did my hg I realized how little is left to pull the motor once the head is off.