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Author
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Topic: 351w with 302 firing order
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fly75
Gearhead Posts: 153
From: eastpointe,mi,usa
Registered: Jul 99
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posted 03-30-2002 11:15 AM
   
i have a 69 351w in my gt/cs with a 302 firing order,does that mean i have a cam for a 289/302? and a harmonic balancer? i would like to replace the harmonic balancer,not sure if its the original balancer,with a newer one. any recommendations on the balancer?also if i replace the cam to get a 351w firing order what else do i need to change? thanks a lot.------------------
68 california special
M+M #144
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V8 Thumper
Gearhead Posts: 2807
From: Orange, Ca. United States of America
Registered: Dec 2001
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posted 03-30-2002 12:34 PM
Hey Fly... here's your firing orders
*- Ford 5.0L HO, 351W, 351M, 351C, 400 Counter-clockwise 1-3-7-2-6-5-4-8
*- Ford 289, 302 Counter-clockwise 1-5-4-2-6-3-7-8If you've got the 'early' sequence, then yes. Someone put an early cam in it. It won't hurt anything, although the late firing order is suposedly  easier on the crank. The balancer is independent of the cam; it's matched to the flywheel. To change the cam, all you need is a kit (cam, lifters and break-in lube), gaskets, and a harmonic balancer puller. I'd highly recomend a new timing set while you're that far in, though. No need to change anything else. Email Alex about the parts. He's got all kinds of good stuff... he's probably got several choices for a balancer if in fact you want to change it also. [This message has been edited by V8 Thumper (edited 03-30-2002).]
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Moneymaker
Administrator Posts: 18092
From: Lyons, IL, USA
Registered: May 99
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posted 03-30-2002 07:00 PM
Up until very recently most of the cam maufacturers only offered 351W cams in the 289 firing order anyway. It does not hurt a thing. The only reason FoMoCo introduced the other firing order anyway was to reduce the number 7-8 cylinder crossfire problems.  ------------------
Alex Denysenko
Co-Administrator and Moderator/ non 65-66 Mustang owner sensitivity co-ordinator NHRA/IHRA/SRA member
NHRA and IHRA SS/LA National Record Holder '00, '01, & '02
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
Part time secret agent license #0089
US Class Nationals link
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fly75
Gearhead Posts: 153
From: eastpointe,mi,usa
Registered: Jul 99
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posted 03-30-2002 09:35 PM
so i could change the harmonic balancer without having to change cams?also is the harmonic balancer the same on the 289/302/351w? thanks------------------
68 california special
M+M #144
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Moneymaker
Administrator Posts: 18092
From: Lyons, IL, USA
Registered: May 99
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posted 03-30-2002 10:55 PM
Why would you want to change the balancer? Do you have a vibration problem? If it is worn and you feel that it warrants replacment, you can use almost any 28 oz SBF balancer. ------------------
Alex Denysenko
Co-Administrator and Moderator/ non 65-66 Mustang owner sensitivity co-ordinator NHRA/IHRA/SRA member
NHRA and IHRA SS/LA National Record Holder '00, '01, & '02
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
Part time secret agent license #0089
US Class Nationals link
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fly75
Gearhead Posts: 153
From: eastpointe,mi,usa
Registered: Jul 99
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posted 03-31-2002 09:39 AM
hey, thanks a lot for the info!now i dont have to change the balancer. thanks again.------------------
68 california special
M+M #144
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ewokeric
Gearhead Posts: 159
From: woodbridge, va united states
Registered: Mar 2002
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posted 03-31-2002 03:26 PM
i have a 351w with a 302 firing order and it seems to work fine. AT least at this point i think it is a little werid but it works.------------------
68 mustang coupe(california special)not real though but looks it(will be nice) 351w/c4
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