Torquing ARP Head bolts

Reply Subscribe

Thread Tools

Search this Thread

Apr 3, 2009 | 10:02 AM

RyanSws6

Thread Starter

12 Second Club

iTrader: (72)

Joined: Jan 2008

Posts: 827

Likes: 1

Torquing ARP Head bolts

So I went with ARP Head bolts since I'm in SOOO deep $$ with my 408. I have the rebuild books and they say to torque to X lbs and then another 70 degree turn? There is a dial gauge for it.

I did a quick search and didn't find anything. So just wondering...

Apr 3, 2009 | 10:04 AM

vsocks1

TECH Regular

iTrader: (6)

Joined: Oct 2008

Posts: 439

Likes: 0

From: Belgium, WI

GM bolts are angle torqued but not ARP bolts. I would call ARP for torque rating to be sure of the correct spec!

Apr 3, 2009 | 10:29 AM

chris-m

TECH Regular

Joined: Oct 2006

Posts: 417

Likes: 1

my arps went straight in at 70ft/lb if i remember. not angle based settings.

Apr 3, 2009 | 11:38 PM

RyanSws6

Thread Starter

12 Second Club

iTrader: (72)

Joined: Jan 2008

Posts: 827

Likes: 1

Thanks guys. I thought this was the case. They should go on tomorrow if I can get the head pins to line up the heads...

Apr 4, 2009 | 12:03 AM

Soul TKR

TECH Junkie

iTrader: (4)

Joined: Jun 2004

Posts: 3,543

Likes: 2

From: San Diego, CA

You need to make sure and torque them into sequence... I did 3 sets.... 40, 60, then 85 ft./lbs.... according to ARP and my engine builder

Apr 4, 2009 | 06:29 AM

forcd ind

TECH Veteran

iTrader: (7)

Joined: Sep 2007

Posts: 4,188

Likes: 292

From: woodbine, md

go with arp's rec-smaller bolts have a diff torq than the others-real important,
lube washers, underside of bolts/nuts to get accurate torq readings-any place where metal to metal rubs, and you will be fine
there is a gauge for the fac. bolts, after a predetermined torq, then a certain angle-i bought one off ebay, cheaper than the plastic one i got from NAPA, lol

Apr 4, 2009 | 05:08 PM

RyanSws6

Thread Starter

12 Second Club

iTrader: (72)

Joined: Jan 2008

Posts: 827

Likes: 1

Thanks. Right now I'm waiting for the pins to line up the heads...I went and bought a new wrench my old one seemed off...waiting for parts is killing me can't wait to get this 408 running.

Reply Subscribe