cam cap bolts

JasonT1124 · January 27th, 2010, 11:45 PM

I will be replacing my lifters, rockers and timing kit this weekend. When I was doing my cams, and then when I did my head job, I noticed that the bolts that hold the cam caps on seem to be torque-to-yield style bolts. I had a few snap on me the third time around and I am worried about re-using them a 4th time...

so my question is, can i throw some regular ace hardware bolts of the same thread/length and seat? the OE style bolts are like 5$ a piece from ford...

BakerFX4 · January 27th, 2010, 11:59 PM

i reused mine but this was the first time since stock... If you got some that are like it then it shouldnt be bad. I wouldnt get zink or anything soft like that.

B0B · January 28th, 2010, 01:31 AM

i wouldn't go with anything less than grade 8's if you plan on going that route. and no, they aren't tty. you are tightening them too tight!

SWEET2KSTANG · January 28th, 2010, 03:02 AM

cam cap bolts are not tty. how much torque you putting on them? they dont take much at all.

JasonT1124 · January 28th, 2010, 10:49 AM

I torqued them properly, I don't know how tight the guy I bought the motor from had them. One broke the first time on the way out, so I assume he over torqued them. I had another one that was completely deformed.

So looks like I'm going to the hardware store when I get them out...

y2k02 · January 28th, 2010, 01:21 PM

Cam cap bolts only call for 90 inch pounds. That is only 7.5 foot pounds.

Dolbs4082 · January 28th, 2010, 04:32 PM

im glad you broke that down for me! haha i set mine at 8 foot pounds because i thought thatw as about right. i looked in the manual and it said the 90-? so i kinda went in between.

If you over torque those would it cause a "clamping" on the cam making it harder for the cams to spin?

January 27th, 2010, 11:45 PM	#1
JasonT1124 Regular 2000 Mustang 4.6l Join Date: Feb 2009 Location: Mesa, AZ Posts: 433 iTrader: 2 reviews	cam cap bolts I will be replacing my lifters, rockers and timing kit this weekend. When I was doing my cams, and then when I did my head job, I noticed that the bolts that hold the cam caps on seem to be torque-to-yield style bolts. I had a few snap on me the third time around and I am worried about re-using them a 4th time... so my question is, can i throw some regular ace hardware bolts of the same thread/length and seat? the OE style bolts are like 5$ a piece from ford... __________________

January 27th, 2010, 11:59 PM	#2
BakerFX4 I Post Entirely Way Too Much Join Date: Dec 2007 Location: Louisiana Posts: 16,251 iTrader: 14 reviews	i reused mine but this was the first time since stock... If you got some that are like it then it shouldnt be bad. I wouldnt get zink or anything soft like that. __________________ 4.75 MMR 900se Livernois ported heads HP 292s blower cams Procharger D1sc at 20+ psi IW 15% OD pulley (and more bolt ons) E85 Tune/numbers coming shortly!!

January 28th, 2010, 01:31 AM	#3
B0B Boost gets you laid 2001 Mustang GT 12.93@113.7 (on the 18's) Join Date: Dec 2006 Location: Milton, WA Posts: 2,609 iTrader: 2 reviews	i wouldn't go with anything less than grade 8's if you plan on going that route. and no, they aren't tty. you are tightening them too tight! __________________ '01 GT. Just a couple Bolt-ons. 0rwhp 0rwtq. Epic Turbo build in progress 2003 Rubicon (wheelin rig) 2008 Silverado 4x4 (towin rig/road queen) 2009 KTM 450 XC-W (Brap Brap!)

January 28th, 2010, 03:02 AM	#4
SWEET2KSTANG mm's nitrous mod 2000 mustang gt 11.79@115.83 (old set up) Join Date: Oct 2006 Location: N.W. AR Posts: 12,540 iTrader: 8 reviews	cam cap bolts are not tty. how much torque you putting on them? they dont take much at all. __________________ project warhorse under construction wagon burner under construction as well (04 lightning) being built by MP2 Performance

January 28th, 2010, 10:49 AM	#5
JasonT1124 Regular 2000 Mustang 4.6l Join Date: Feb 2009 Location: Mesa, AZ Posts: 433 iTrader: 2 reviews	I torqued them properly, I don't know how tight the guy I bought the motor from had them. One broke the first time on the way out, so I assume he over torqued them. I had another one that was completely deformed. So looks like I'm going to the hardware store when I get them out... __________________

January 28th, 2010, 01:21 PM	#6
y2k02 Hardcore Enthusiast 02 Mustang GT 9.91@133 Join Date: Mar 2009 Location: Ohio Posts: 1,307 iTrader: 1 reviews	Cam cap bolts only call for 90 inch pounds. That is only 7.5 foot pounds. __________________ 2002 GT PI heads Twin 60mm turbos Th400 6.34@114 1/8 9.99@137 1/4 http://i160.photobucket.com/albums/t...t/DSCF5654.jpg http://i160.photobucket.com/albums/t...2gt/IMG060.jpg

January 28th, 2010, 04:32 PM	#7
Dolbs4082 I Blumpkin Entirely Way Too Much 2005 Mustang GT Join Date: Dec 2008 Location: kansas Posts: 5,958 iTrader: 0 reviews	im glad you broke that down for me! haha i set mine at 8 foot pounds because i thought thatw as about right. i looked in the manual and it said the 90-? so i kinda went in between. If you over torque those would it cause a "clamping" on the cam making it harder for the cams to spin? __________________ MM + Cleavage member #22

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