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Discussing 4.6 Torque Specs in the Modular Mustangs Forum. 4.6L Torque Specifications* (ft-lbs unless otherwise indicated) Camshaft sprocket bolts......................................82 to 95 ...

       

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Old May 14th, 2006, 03:32 PM   #1
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4.6 Torque Specs


4.6L Torque Specifications*
(ft-lbs unless otherwise indicated)

Camshaft sprocket bolts......................................82 to 95
Camshaft caps to cylinder head...........................71 to 106 in-lbs
Timing chain cover bolts .....................................15 to 22
Drive belt idler and tensioner bolts......................15 to 22

Cylinder head bolts
4.6L-SOHC
Step 1................................................. .........28 to 31
Step 2................................................. .........Tighten an additional 90-degrees
Step 3................................................. .........Loosen one turn
Step 4................................................. .........28 to 31
Step 5................................................. .........Tighten an additional 90-degrees
Step 6................................................. .........Tighten an additional 90-degrees
4.6L-DOHC
Step 1................................................. .........28 to 31
Step 2................................................. .........Tighten an additional 90-degrees
Step 3................................................. .........Tighten an additional 90-degrees

Vibration damper-to-crankshaft bolt
1996 .................................................. .............114 to 121
1997 and later
Step 1................................................. .........66
Step 2................................................. .........Loosen one full turn
Step 3................................................. .........36
Step 4................................................. .........Tighten an additional 90-degrees

Valve cover bolts .................................................7 1 to 106 in-lbs

Oil pan-to-engine block bolts
1996 .................................................. .............15 to 22
1997 and later
Step 1................................................. .........15
Step 2................................................. .........Tighten an additional 60-degrees

Exhaust manifold-to-cylinder head nuts ..............14 to 16
Intake manifold -to-cylinder head bolts
4.6L-SOHC.............................................. ........15 to 22*
4.6L-DOHC
Upper plenum to intake...............................71 to 106 in-lbs
Intake to lower side plates (2 small bolts) ..71 to 106 in-lbs
Intake/side plates assembly to cylinder head
Step 1 .................................................. ....15 to 22
Step 2 .................................................. ....Tighten an additional 90-degrees

Oil filter adapter bolts ..........................................15 to 22
Oil cooler-to-filter adapter insert
1996 .................................................. .............59 to 74
1997 and later ................................................41 to 53
Oil pump-to-engine block mounting bolts ...........71 to 106 in-lbs
Oil pick-up tube-to-main bearing cap nut ............15 to 22
Oil pick-up tube-to-oll pump bolts.......................71 to 106 in-lbs
Flywheel/driveplate mounting bolts .....................59 to 64
Ignition coil brackets to front cover.....................15 to 22
Timing chain tensioners/guides ..........................15 to 22
Engine mount-to-engine block bolts/studs..........25 to 33
Engine mount stud to crossmember nuts ...........95 to 126
Engine compartment brace bolts.........................15 to 22
Wheel lug nuts.............................................. .......85 to 105
Firing order............................................. .............1-3-7-2-6-5-4-8

*After assembly, retorque with the engine hot.
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Old May 14th, 2006, 04:10 PM   #2
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this is very helpful thanx!
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Originally Posted by BWAL09 View Post
if i had a cobra R, i'd take out the vents and put little miniature fish tanks in their places and fill them with sea monkeys
 
Old May 14th, 2006, 05:24 PM   #3
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VERY GOOD INFO!!
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Old May 15th, 2006, 06:44 AM   #4
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does ARP hardware use the same torque specs? anyone know?
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Originally Posted by BWAL09 View Post
if i had a cobra R, i'd take out the vents and put little miniature fish tanks in their places and fill them with sea monkeys
 
Old May 15th, 2006, 08:01 AM   #5
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only on certain bolts. Items such as rod bolts need to be measured w/ a stretch guage and their head bolts to my knowledge are not torque-to-yield so you must use the torque specs they provide.
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Old May 15th, 2006, 08:25 AM   #6
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very helpful informative post. should be stickied if available on this board.
 
Old June 3rd, 2006, 10:16 AM   #7
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This is a general question about engines but you sound pretty knowledgable so I thought I'd ask. What is the biggest stroke kit you can put on the 4.6 and 5.0 engines? and what are the stock and stroked displacement of each, that's 289 and 302 right?
 
Old June 3rd, 2006, 10:17 AM   #8
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Originally Posted by FastDreamZ06
This is a general question about engines but you sound pretty knowledgable so I thought I'd ask. What is the biggest stroke kit you can put on the 4.6 and 302 engines? and what are the stock and stroked displacemnte of each, that's 289 and 302 right?
281ci for the 4.6L and 302ci for the 4.9L ("5.0"). I'm sure you will get some good responses shortly. Welcome to the site, BTW
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Old June 3rd, 2006, 03:29 PM   #9
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I'm not sure on the 4.6 and 5.4 engines but the biggest I've ever seen for a 5.0 engine was 347ci.
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Old June 3rd, 2006, 03:47 PM   #10
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i would bet you could go bigger but dont quote me on it. i belive you can take a gm small block and take it out to something like 468 ci
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Originally Posted by BWAL09 View Post
if i had a cobra R, i'd take out the vents and put little miniature fish tanks in their places and fill them with sea monkeys
 
Old June 5th, 2006, 07:18 AM   #11
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Biggest I seen on a chevy small block was a 454, I don't think they can go much bigger than that, but 468 seems pretty attainable. I know chevy blocks but I am trying to get some mustang knowledge, I have though of putting a chevy engine in a ford but although I'm a chevy man that would still be sacriligous either way you look at it,cause I still like mustangs but if you put a chevy engine in it, then it truly isn't a ford mustang. Have many people done that recently? I know that used to be a big thing back in the days, but haven't heard too much about it in recent years, but who cares right, I've been impressed with mustang cobras and some gt's of what they can do...... if only they had a little more cubes, I know the mustang fans have been screaming for that for a while, you know what they say... there's no replacement for displacement!!
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Old June 5th, 2006, 09:16 AM   #12
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Originally Posted by FastDreamZ06
...... if only they had a little more cubes, I know the mustang fans have been screaming for that for a while, you know what they say... there's no replacement for displacement!!


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Old June 20th, 2006, 10:39 PM   #13
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BONUS !!!
 
Old July 26th, 2006, 05:05 PM   #14
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Sweet
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Old August 1st, 2006, 02:28 PM   #15
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biggest small block bow tie


we just got done building 3 500ci LS1's.....with a plastic stock manifold it made over 710HP and 738 ft/lbs tq. but with the N20 it made 962 ft/lbs tq! well they're actually like 497ci's but thats so close to 500 that most people wouldn't care about 3ci anyways...

we're also building a dry-sumped, alumnium 5.4, de-stroked, with a carborater and direct port nitrous for the mod-motor croud out there. its backed up by a powerglide and should make over 600 N/A HP..... i'll try to keep ya'll up to date but we're still waiting on the crankshaft so its on hold as of right now.
 
Old August 1st, 2006, 04:19 PM   #16
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Ooooooooooooooooooo..... The Ls1 riens supreme still.

I really like that motor.... except i dont like the car its in....A LS1 swap to a say.... white SN-95 would be nice. Then if i left it stock we would see stock for stock who would win.

Anyways.... great numbers. Except one thing......

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Old September 30th, 2006, 01:52 AM   #17
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toy know if i had the slightest clue what the hell all of that meant im sure i would agree that its all very usefull lol
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Old November 14th, 2006, 03:30 PM   #18
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Re: 4.6 Torque Specs


Originally Posted by Twist 2 Go
4.6L Torque Specifications*
(ft-lbs unless otherwise indicated)

Camshaft sprocket bolts......................................82 to 95
the 2001 and up 4.6 modulars use a smaller diameter camshaft sprocket bolt, which by coincidence is a TTY bolt....The torque spec is completely different from the 82-95 ftlb torque spec, that is pertinent to the 96-99 year camshaft bolt spec....In addition, you cannot re-use the 2001 and up TTY camshaft bolt....I'll find the proper spec for the 2001 and up camshaft bolt spec....DA snake boy!!!
 
Old December 6th, 2006, 04:52 PM   #19
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their definitely is a replacement for displacement, weight and turbo
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Old December 18th, 2006, 12:52 PM   #20
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will my comp stage 1 cams use the stock bolts? they did not come with any aftermarket bolts or anything else but the camshafts themselves? will i be ok or do i need something else ?
 
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