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etosino2009
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etosino2009

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PostSubject: performance rockers for 95 sc?   performance rockers for 95 sc? EmptyThu Jun 26, 2008 1:12 am

finally i can make my car faster say 255-260 hp with gains of 20 hp with my other mods. just wanted to let any of you series I guys know there are some roller rockers availble know after series I performance parts dissapered and its a quick and easy install, now i just need to save the money happy
heres the link:

http://www.zzperformance.com/grand_prix/products1.php?id=606&catid=104

These are Yella Terra 1.80:1 roller rocker arms from intense and was wondering if these are worth to buy since they are 370 dollars but add 15-20hp and for the series I i think it would be worh it. however my neighbor across the street who does all the work on his familys car and is very mechanically inclined helped me point out that i need a new water pump which he will help me replace since it looks like im going to have to take off the engine support to do this. but anyway i asked him what he thought about the roller rocker arms and he said it proably wouldnt be woth it and proably would not see much of a diffrence and that i should just keep away from the engine internally, although he said he is really not a performance guy just a person who knows how to maintain and fix cars very well. But knowing the parts are from intense i think it should be worth it what do you guys think? also is there anyone who has installed roller rockers before and how hard are they? in the description intense says it would not take that much time to install them or that hard in general but should be done be a professional since there is oppurtunity to go wrong, plus the rear looks to be a PITA. any help would be great thanks.

heres the link: http://intense-racing.com/Merchant2/merchant.mvc?Screen=PROD&Store_Code=IR&Product_Code=3800-YTRR-6659&Category_Code=HCV
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1998 Riv
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1998 Riv

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PostSubject: Re: performance rockers for 95 sc?   performance rockers for 95 sc? EmptySun Sep 28, 2008 7:26 pm

Not cheap, but a good component of an overall performance package.  I'm assuming you can't get a cam for the S1, right?  Rockers is the way to move more air thru the engine then.  We have some guys that have done their own rockers, not sure of S1 though.

Don't know for sure myself, but you may need more fuel with exh, intake, and rockers moving more air. Is that possible with the S1?
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TonySmooth89
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PostSubject: Re: performance rockers for 95 sc?   performance rockers for 95 sc? EmptySun Sep 28, 2008 8:04 pm

It would be worth it , as not only does it provide greater lift of the valves which allows more airflow , but roller rockers also have reduced friction, which means quiter valvetrain noise , and theoretically more power. I think the 1.8s would be an excellent upgrade for a series 1 provided that the PCM can adjust for fueling , perhaps a AFC can adjust it still? I'd ask intense about it.
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T Riley
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PostSubject: Re: performance rockers for 95 sc?   performance rockers for 95 sc? EmptySun Sep 28, 2008 8:05 pm

get your exhaust mani's ported AND fab up a down pipe....... and do those rockers and you'll be golden
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http://www.rivperformance.com
etosino2009
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etosino2009

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PostSubject: Re: performance rockers for 95 sc?   performance rockers for 95 sc? EmptySun Sep 28, 2008 8:22 pm

Thanks for the input guys i knew these would be good since the S1 needs all the help they can get. but Dave your exactly right about the cam i dont think there is really anyone out there who would do it, if there was it would mean way too much money. as far as adding more air and fuel i think with my FWI and KN it should be okay but i might need a bigger intake tube like 3.5" mine right now is kind of small, for the fuel i think i also might get a high flow fuel filter and some seafoam and run it in the tank just to clear anything up if there is. What about having my computer reflashed so it learns how much more fuel to add which i had done when i installed my 2.5 pulley?
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TonySmooth89
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PostSubject: Re: performance rockers for 95 sc?   performance rockers for 95 sc? EmptySun Sep 28, 2008 8:44 pm

That should work. The stock series I manifolds aren't that bad , but porting isn't a bad idea either. And a downpipe is a very good idea too.
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etosino2009
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PostSubject: Re: performance rockers for 95 sc?   performance rockers for 95 sc? EmptySun Sep 28, 2008 8:52 pm

Yah i would agree im still not done with modding the series l like what you said porting the exhaust manifold, blower, intake manifold, and exhaust work. i just dont know how to modify the 3" downpipes to the series I as far as where you bolt it up. but would porting the blower be more efficient in getting more air in or would porting the intake manifold?
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TonySmooth89
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PostSubject: Re: performance rockers for 95 sc?   performance rockers for 95 sc? EmptySun Sep 28, 2008 9:43 pm

I'm don't know much about the series 1 intake manifold , but i'd bet that greater gains would be had from the inlet/outlet on the blower and cleaning up the rough casting spots. I noticed a pretty decent gain with my ported blower+ powerlog , which were done a week or two apart but once i got it retuned ( somewhat ) i noticed a significant difference.
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AA
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PostSubject: Re: performance rockers for 95 sc?   performance rockers for 95 sc? EmptySun Sep 28, 2008 10:26 pm

rockers are an amazing mod for our engines, series I included. Very easy to install, too. Doing rockers alone probably won't require a PCM reprogram, but dropping the SC pulley dia you may need it. I think you'll love what these rockers do for your top end performance (above 4k rpm). Best part, rockers won't hurt your fuel economy.

_________________
'98 SC Riviera • 281k 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 • 180º 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

^^^ SOLD ^^^ frown

'05 GTO • 85k miles • 0-60: 4.8s • 16.9 avg MPG • Nelson Ledges Lap: 1:26
Because fun


'70 Olds Ninety-Eight Holiday Coupe • 116k miles • 455 Rocket V8
Because cool


'95 Celica • 152k miles • 0-60: yes
Because free
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etosino2009
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etosino2009

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PostSubject: Re: performance rockers for 95 sc?   performance rockers for 95 sc? EmptySun Sep 28, 2008 10:57 pm

AA wrote:
rockers are an amazing mod for our engines, series I included. Very easy to install, too. Doing rockers alone probably won't require a PCM reprogram, but dropping the SC pulley dia you may need it. I think you'll love what these rockers do for your top end performance (above 4k rpm). Best part, rockers won't hurt your fuel economy.


this is exactly why i want to do this mod, will be worth every penny. since you guys are saying its not too hared to install ill do it myself and save some money, it will be my first major work on the engine just need to get a torque wrench though. thank god it wont hurt my fuel economy i thought for sure since it would be adding more fuel that it might make it worse. although i might have trouble conserving gas once i install it twisted .
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deekster_caddy
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PostSubject: Re: performance rockers for 95 sc?   performance rockers for 95 sc? EmptySun Sep 28, 2008 11:43 pm

I say do it. It's most important to increase airflow if you want to play with dropped pulleys... The S1 doesn't have many other options since there's no easy cam option.

The MAF sensor will sense more air, and deliver more fuel without any PCM changes, to a point... not sure how far you can take a S1 since they are difficult to scan.

Go for it!
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BillBoost37
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PostSubject: Re: performance rockers for 95 sc?   performance rockers for 95 sc? EmptyMon Sep 29, 2008 9:30 am

The rockers on an S1 will help top end, but not as much as the S2.

Overall install is easy though, you don't need to change springs.
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etosino2009
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etosino2009

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PostSubject: Re: performance rockers for 95 sc?   performance rockers for 95 sc? EmptyMon Sep 29, 2008 9:31 pm

thanks for the advice guys i am for sure going to get these and install them myself. but i guess it wouldnt hurt to get an scanner and see what exactly the car is doing before and after. i still need to scan for kr which i have never done, can you fix it with just a scanner?
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AA
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PostSubject: Re: performance rockers for 95 sc?   performance rockers for 95 sc? EmptyMon Sep 29, 2008 9:48 pm

never hurts to get a scanner. Rockers will let in more air, but also let more out. They didn't make much of a change on KR with my car. A scanner will not let you change the PCM, but li lets you know what's going on.

_________________
'98 SC Riviera • 281k 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 • 180º 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

^^^ SOLD ^^^ frown

'05 GTO • 85k miles • 0-60: 4.8s • 16.9 avg MPG • Nelson Ledges Lap: 1:26
Because fun


'70 Olds Ninety-Eight Holiday Coupe • 116k miles • 455 Rocket V8
Because cool


'95 Celica • 152k miles • 0-60: yes
Because free
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RidzRiv
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PostSubject: performance rockers for 95 sc?   performance rockers for 95 sc? EmptyThu Feb 10, 2011 2:37 pm

Do they make any performance rockers for the series 1 supercharged? What about cams?
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riv416
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PostSubject: Re: performance rockers for 95 sc?   performance rockers for 95 sc? EmptyThu Feb 10, 2011 4:00 pm

i know zzperformance use to carry them but i dont know if they still sell em? Check-out zzperformance.com ?
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Hometown Hero
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PostSubject: Re: performance rockers for 95 sc?   performance rockers for 95 sc? EmptyThu Feb 10, 2011 4:30 pm

Yella Terra 1.8:1 RR's is what they used to sell on ZZperformance. I got mine from a guy on a GM forum for really cheap and it mint shape. Google around, you may get lucky, the Yella Terra's are built to last.
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RidzRiv
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PostSubject: Re: performance rockers for 95 sc?   performance rockers for 95 sc? EmptyThu Feb 10, 2011 5:18 pm

did you have to do any other mods along with the rockers?
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95rivy
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PostSubject: Re: performance rockers for 95 sc?   performance rockers for 95 sc? EmptyThu Feb 10, 2011 5:39 pm

zzp does not carry this item anymore, but intense still does..
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PostSubject: Re: performance rockers for 95 sc?   performance rockers for 95 sc? EmptyThu Feb 10, 2011 6:34 pm

RidzRiv wrote:
did you have to do any other mods along with the rockers?

I haven't installed mine yet, they are just sitting in a box in my closet. I am just waiting on my other SC and LIM I have coming back from getting a PP done. I was going to repair my exhaust manifolds and install everything in 1 swoop rather than take it apart a few times over. From what Karma told me, as well as the guy I bought them off of, they will really make the series 1 come alive. Definately try to get your hands on a set.
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RidzRiv
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PostSubject: Re: performance rockers for 95 sc?   performance rockers for 95 sc? EmptyFri Feb 11, 2011 7:03 am

sweet thanks, i'll definitely check out intense
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RidzRiv
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PostSubject: Re: performance rockers for 95 sc?   performance rockers for 95 sc? EmptyFri Feb 11, 2011 7:12 am

so does this come with everything i would need, or would i need to buy new springs as well?

http://intense-racing.com/Merchant2/merchant.mvc?Screen=PROD&Store_Code=IR&Product_Code=3800-YTRR-6659&Category_Code=HCV
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Karma
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PostSubject: Re: performance rockers for 95 sc?   performance rockers for 95 sc? EmptyFri Feb 11, 2011 8:16 am

Those are the ones that I have. Everything short of a torque wrench is included. No new springs required. Use a torque wrench, be sure the roller tips are aligned to the valve stems, the rear valve cover is a PITA to remove on the series one.

_________________
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RidzRiv
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PostSubject: Re: performance rockers for 95 sc?   performance rockers for 95 sc? EmptyFri Feb 11, 2011 5:00 pm

how would you say they increased your performance?
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RidzRiv
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PostSubject: roller rockers   performance rockers for 95 sc? EmptyWed Mar 23, 2011 3:42 pm

Would roller rockers be a good idea on a high mileage car? I am also curious if they would affect low end power, gas mileage, and reliability
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