Which ARP head studs?

7MGTE87 · 04-09-2010, 07:30 PM

Hi guys which ARP head studs should I use for my 87 7MGTE Turbo.

http://www.summitracing.com/parts/AR...3902/?rtype=10

or

http://www.summitracing.com/parts/ARP-203-4202/

Thanks

cre · 04-10-2010, 01:36 AM

The first one is BOLTS, the second is for STUDS. If the difference in price doesn't matter to you get the studs, but you'll have a hard time getting the head back on unless the block's out of the car; It can be done by removing the hood and getting the wire harness off the firewall.

corrosivecopper · 05-02-2010, 02:46 PM

That depends on what you wanna do and how often that engine is coming out. I just got the ARP bolts (your first link) and they're absolutely fine for leaving the engine in the car if ya need to remove the head. Using the studs (2nd link) are much better for the sake of torquing down and more easily lining up the head on the block, but the head doesn't come off there easy while the engine is in the car. You're required to pull the head straight up, and it doesn't quite clear to firewall. For serious racing, I'd say studs for sure. For the street, bolts work, but be sure to torque them more than factory spec. I torqued my bolts to 75ft/lbs. The choice is yours

cre · 05-02-2010, 04:07 PM

The newer ARP studs have an allen key so they may be installed/removed while the head is in place.

If it is a largely stock build either one is just fine. For higher power setups studs provide MUCH more clamping force and provide more accurate torque.

Also, the forst time the bolts are installed you are supposed to retorque them after several complete heat cycles. If they're being reinstalled you don't. It not a bad idea to retorque studs too though.

04-09-2010, 07:30 PM	#1
7MGTE87 Stock Join Date: Mar 2010 Location: Kelowna BC Posts: 8	Which ARP head studs? Hi guys which ARP head studs should I use for my 87 7MGTE Turbo. http://www.summitracing.com/parts/AR...3902/?rtype=10 or http://www.summitracing.com/parts/ARP-203-4202/ Thanks

04-10-2010, 01:36 AM	#2
cre Toyota Racing Development Join Date: Apr 2007 Posts: 5,038	The first one is BOLTS, the second is for STUDS. If the difference in price doesn't matter to you get the studs, but you'll have a hard time getting the head back on unless the block's out of the car; It can be done by removing the hood and getting the wire harness off the firewall. __________________ If something breaks or you need to contact a member of the administration please post HERE. Unless it's a private or administration matter please post it on the forum. It benefits no one else if car related questions aren't posted for future users and takes away from the time I'm able to spend helping on the rest of the forum. If you're so inclined I'm always more than happy to accept tips via PayPal. Tip Jar --->

05-02-2010, 02:46 PM	#3
corrosivecopper Stock Join Date: Jul 2009 Location: Bonnyville, Alberta, Canada Posts: 20	That depends on what you wanna do and how often that engine is coming out. I just got the ARP bolts (your first link) and they're absolutely fine for leaving the engine in the car if ya need to remove the head. Using the studs (2nd link) are much better for the sake of torquing down and more easily lining up the head on the block, but the head doesn't come off there easy while the engine is in the car. You're required to pull the head straight up, and it doesn't quite clear to firewall. For serious racing, I'd say studs for sure. For the street, bolts work, but be sure to torque them more than factory spec. I torqued my bolts to 75ft/lbs. The choice is yours __________________ 87 Supra 7MGTE Stock.. for now

05-02-2010, 04:07 PM	#4
cre Toyota Racing Development Join Date: Apr 2007 Posts: 5,038	The newer ARP studs have an allen key so they may be installed/removed while the head is in place. If it is a largely stock build either one is just fine. For higher power setups studs provide MUCH more clamping force and provide more accurate torque. Also, the forst time the bolts are installed you are supposed to retorque them after several complete heat cycles. If they're being reinstalled you don't. It not a bad idea to retorque studs too though. __________________ If something breaks or you need to contact a member of the administration please post HERE. Unless it's a private or administration matter please post it on the forum. It benefits no one else if car related questions aren't posted for future users and takes away from the time I'm able to spend helping on the rest of the forum. If you're so inclined I'm always more than happy to accept tips via PayPal. Tip Jar --->

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