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Torque specs 

 

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 Post subject: Torque specs
Posted: Sat Feb 20, 2010 7:21 pm 
Tyre Shredder
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Location: Perth
WA, Australia

Im after the big end and main cap torque specs for a ho engine, both of my books have different specs.
Does 30-35 nm for the big ends and 90 nm for the mains sound right, or does 45 ftlb for big ends and 105ftlb for the mains sound right :shock:
The first specs are from max ellerys and the second are from how to rebuild a ford smallblock.
Cheers Milo
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 Post subject: Re: Torque specs
Posted: Sat Feb 20, 2010 7:48 pm 
Fordmods Newbie
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30nm for the big end and mains are 90nm. that straight from a factory workshop manual
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 Post subject: Re: Torque specs
Posted: Sat Feb 20, 2010 8:01 pm 
Tyre Shredder
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Location: Perth
WA, Australia

Cheers mate, i had to ask because there is a big difference in the american specs and the australian by the looks of it :shock:
May have to go see my machinist to be on the safe side though :)
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 Post subject: Re: Torque specs
Posted: Sun Feb 21, 2010 1:00 pm 
EFI Guru
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Ride: 351 Vogue,XH 5.0,'17 5.0 Stang

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How to rebuild your smallblock ford says; " 95-105ft lbs for the 351 and 60-70ft lbs for the others"
A 302 is "the others"
For rods; 19-24ft lbs for 221,260,289,and 302 engines and 40-45ft lbs for the HP289, Boss 302 and 351W"
So there is no difference in the specs between books.
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 Post subject: Re: Torque specs
Posted: Sun Feb 21, 2010 6:37 pm 
Tyre Shredder
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Location: Perth
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My book is printed wrong then and these are the only specs i can find on the internet as well.
The book is called"how to rebuild the smallblock ford"by george reid- workshop bench series.
Have a look see :shock: Im pretty sure my motor is a 302 ho

http://i237.photobucket.com/albums/ff10/gillandshan/TorqueSpecs0001.jpg
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 Post subject: Re: Torque specs
Posted: Sun Feb 21, 2010 10:09 pm 
EFI Guru
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Ride: 351 Vogue,XH 5.0,'17 5.0 Stang

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WA, Australia

Just follow the 289/302 specs. The f**k wits put 302HO with the 351.
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 Post subject: Re: Torque specs
Posted: Sun Feb 21, 2010 10:13 pm 
Tyre Shredder
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Location: Perth
WA, Australia

Cheers.
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