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 valve seals and headers???

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2000ws6transam
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PostSubject: valve seals and headers???   Tue Apr 16, 2013 11:55 pm

First off anyone useing fel pro valve stem seals? need to get the new heads on and dont wanna wait for a set of vitons to get here. @nd questions where the heck do i find headers for our car!!!!!!!!!!!! i would like a variation to choose from
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Abaddon
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PostSubject: Re: valve seals and headers???   Wed Apr 17, 2013 8:35 am

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T Riley
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PostSubject: Re: valve seals and headers???   Wed Apr 17, 2013 10:15 am

What heads do you plan on running? when you say "new" are they ported or what?
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AA
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PostSubject: Re: valve seals and headers???   Wed Apr 17, 2013 1:40 pm

Abaddon wrote:
http://www.ssautochrome.com/level.itml/icOid/1886

http://www.sfxperformance.com/parts/PAC701205.htm

Or, check ebay. You can usually find some on there
Are these headers known to fit Series I SC heads? The links say they are for Series II SC cars.

_________________
'98 SC Riviera 268k miles 298 HP/370 TQ 0-60: 5.79s ET: 13.97 @ 99.28 4087 lb 20.1 avg MPG Nelson Ledges Lap: 1:30
3.4" pulley AL104 plugs 180 t-stat FWI w/K&N 1.9:1 rockers OR pushrods LS6 valve springs SLP headers ZZP fuel rails
KYB GR2 struts MaxAir shocks Addco sway bars UMI bushings GM STB Enkei 18" EV5s w/ Dunlop DZ101s F-body calipers
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T Riley
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PostSubject: Re: valve seals and headers???   Wed Apr 17, 2013 1:45 pm

AA wrote:
Abaddon wrote:
http://www.ssautochrome.com/level.itml/icOid/1886

http://www.sfxperformance.com/parts/PAC701205.htm

Or, check ebay. You can usually find some on there
Are these headers known to fit Series I SC heads? The links say they are for Series II SC cars.

No... he has a 97 riv? Series II
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AA
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PostSubject: Re: valve seals and headers???   Wed Apr 17, 2013 3:37 pm

my bad, thought this was the new guy's post. bonk

_________________
'98 SC Riviera 268k miles 298 HP/370 TQ 0-60: 5.79s ET: 13.97 @ 99.28 4087 lb 20.1 avg MPG Nelson Ledges Lap: 1:30
3.4" pulley AL104 plugs 180 t-stat FWI w/K&N 1.9:1 rockers OR pushrods LS6 valve springs SLP headers ZZP fuel rails
KYB GR2 struts MaxAir shocks Addco sway bars UMI bushings GM STB Enkei 18" EV5s w/ Dunlop DZ101s F-body calipers
EBC bluestuff/Hawk HP plus SS lines Brembo slotted discs DHP tuned Aeroforce Hidden Hitch


'05 GTO 49k miles 0-60: 4.8s 16.9 avg MPG Nelson Ledges Lap: 1:26
Because fun
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T Riley
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PostSubject: Re: valve seals and headers???   Wed Apr 17, 2013 3:57 pm

AA wrote:
my bad, thought this was the new guy's post. bonk

It's ok you're new wink
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2000ws6transam
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PostSubject: Re: valve seals and headers???   Wed Apr 17, 2013 7:17 pm

Heads are hand ported and polished milled down just a little bit to make sure they are flat, 5 angle valve job with over sized valves...
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Abaddon
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PostSubject: Re: valve seals and headers???   Fri Apr 19, 2013 1:29 pm

2000ws6transam wrote:
Heads are hand ported and polished milled down just a little bit to make sure they are flat, 5 angle valve job with over sized valves...

You need to make sure that the LIM is ported to match. Same with the exhaust ports. I'm not sure what you're planning on doing as far as more modding is concerned, but you will most definitely need larger injectors and a good tune to match the larger valves. I could see it running lean as hell without more fuel. There is a such thing as too much air wink
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