obs and sd push rods and valve springs? - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 17 (permalink) Old 12-26-2008, 03:17 AM Thread Starter
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obs and sd push rods and valve springs?

do i have to do valve springs and
push rods at alittle over 400hp?or 500 even.
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post #2 of 17 (permalink) Old 12-26-2008, 03:22 AM
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Re: obs and sd push rods and valve springs?

I dyno 479 Rwhp and two days later floated the valves and it kissed the piston result in breaking the rocker arm and bending the push rod.

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post #3 of 17 (permalink) Old 12-26-2008, 03:27 AM
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Re: obs and sd push rods and valve springs?

I think I saw you have Swamps 250's and now a Sledge.....I would be putting them in if it was mine, it's not like they cost alot.

Also do you have headstuds yet? Since you're putting more charger on you should get studs too.

I've got about 1k in my studs/springs/pushrods, and to me it was well worth the money. Much cheaper than changing HG's or rockers/pushrods/pistons.

Dave

'08 F250 6.4/Torqshift Spartan 310EL, Flo-Pro 4", White_monster air intake, RCD 4-link, RS9000's 584/1330
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post #4 of 17 (permalink) Old 12-26-2008, 03:29 AM Thread Starter
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Re: obs and sd push rods and valve springs?

Quote:
Originally Posted by smokyred View Post
I think I saw you have Swamps 250's and now a Sledge.....I would be putting them in if it was mine, it's not like they cost alot.

Also do you have headstuds yet? Since you're putting more charger on you should get studs too.

I've got about 1k in my studs/springs/pushrods, and to me it was well worth the money. Much cheaper than changing HG's or rockers/pushrods/pistons.

Dave
yes i have arp headstuds in.thanks
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post #5 of 17 (permalink) Old 12-26-2008, 03:40 AM
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Re: obs and sd push rods and valve springs?

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Originally Posted by goodstktbo View Post
yes i have arp headstuds in.thanks
That's good to know, springs and pushrods are easier to install than studs, so this should be easier for you.

You ought to fill in your sig so we can see exactly what you have.

Dave

'08 F250 6.4/Torqshift Spartan 310EL, Flo-Pro 4", White_monster air intake, RCD 4-link, RS9000's 584/1330
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post #6 of 17 (permalink) Old 12-26-2008, 03:58 AM
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Re: obs and sd push rods and valve springs?

I have broke a rocker and bent a push rod with just a chip

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post #7 of 17 (permalink) Old 12-26-2008, 04:00 AM Thread Starter
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Re: obs and sd push rods and valve springs?

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Originally Posted by sttstroke View Post
I have broke a rocker and bent a push rod with just a chip
what rpms??? and boost
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post #8 of 17 (permalink) Old 12-26-2008, 04:03 AM
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Re: obs and sd push rods and valve springs?

4200 I dont know about boost I was in neutral with the parking brake on. I was thinking I wonder how far it will rev

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post #9 of 17 (permalink) Old 12-26-2008, 04:13 AM
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Re: obs and sd push rods and valve springs?

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Originally Posted by sttstroke View Post
4200 I dont know about boost I was in neutral with the parking brake on. I was thinking I wonder how far it will rev
WTF were you thinking?

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post #10 of 17 (permalink) Old 12-26-2008, 04:19 AM
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Re: obs and sd push rods and valve springs?

i broke both rockers on the number 1 and bent 6pushrods on that side with just the mods in my sig but know i could have just put stock rods back in but with how i am it would only be a matter of time so i put comp 910's and david's pushrods in it know i just need studs and i tranny and i'll be ready for 500hp
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