Page 1 of 3 123 LastLast
Results 1 to 20 of 52

Rocker arm QuesTionS ??? new to LS1

This is a discussion on Rocker arm QuesTionS ??? new to LS1 within the Internal Engine forums, part of the LSx Technical Help Section category; Well I just bought my first ls1 ( 98 camaro SS ) I changed the oil and found needle bearing ...

  1. #1
    Junior Member
    Join Date
    Jul 2007
    Location
    se iowa
    Posts
    11

    silver
    1998 ss - made in Canada

    Rocker arm QuesTionS ??? new to LS1

    Well I just bought my first ls1 ( 98 camaro SS )

    I changed the oil and found needle bearing in my oil. ( F'N GREAT )

    Wellp time to put some roller rockers on it.

    1:7 or 1:8 ????

    Can I just put them quick-lift rockers on it and not change all the pushrods and guide plates. Or should I just buy the kit and change it all. Is there any tricks or tips on changing that stuff? It looks like a pain to get in there.

    Running all stock.

  2. #2
    Impounded MikeSomething's Avatar
    Join Date
    Dec 2005
    Location
    Old Bridge, NJ
    Age
    37
    Posts
    1,420

    Pewter Metallic
    '00 Z/28

    1) 1.8's won't clear the stock valve covers.
    2) Good luck w/ the passenger side coil bracket bolt under the cowl.

  3. #3
    Senior Member camarojunky74's Avatar
    Join Date
    Jun 2007
    Location
    corona ca
    Age
    31
    Posts
    2,258

    white, white and pewter
    Rip99SSA4,74Z28M4,02SSM6

    i would get 1.8's and just get a valve cover spacer! i dont think you will need pushrods but this is up to you, depends also if any are bent!
    good luck

  4. #4
    Slow'er'Ass Mr. Luos's Avatar
    Join Date
    Aug 2005
    Location
    Thornton, CO
    Posts
    23,785

    Red Tint Jewelcoat
    2008 Trailblazer SS

    1.7's are more than enough in my opinion.

  5. #5
    Junior Member
    Join Date
    Jul 2007
    Location
    se iowa
    Posts
    11

    silver
    1998 ss - made in Canada

    Do I need the kit or can I just buy the rockers and use the stock pushrods and springs. thanks

    So it would just be a simple rocker arm swap out. And not change nothing else?

  6. #6
    Senior Member camarojunky74's Avatar
    Join Date
    Jun 2007
    Location
    corona ca
    Age
    31
    Posts
    2,258

    white, white and pewter
    Rip99SSA4,74Z28M4,02SSM6

    Quote Originally Posted by 98ssboosted View Post
    Do I need the kit or can I just buy the rockers and use the stock pushrods and springs. thanks

    So it would just be a simple rocker arm swap out. And not change nothing else?
    yes, you would not need the whole kit! BUT i was on ebay today and saw a Ls6 valve train for sale for 300.00$ this kit had springs, rocker arms and push rods! which was not a bad idea,

    also there is a set of harland sharp rocker arms from texas speed for 399.00 which are great rocker arms for the price!

    if i was you and was not planning on making very many mods, i would go with oem arms, but if you plan on a cam swap in the future or high horsepower, it would be a good idea to get better arms, just keep in mind that 1.8 ratio are not compatiable with a lot of the after market cams out there!

  7. #7
    Senior Member mrr23's Avatar
    Join Date
    Jul 2005
    Location
    orlando, fl
    Posts
    7,134

    dark bowling green
    2000 corvette

    Quote Originally Posted by 98ssboosted View Post
    Well I just bought my first ls1 ( 98 camaro SS )

    I changed the oil and found needle bearing in my oil. ( F'N GREAT )

    Wellp time to put some roller rockers on it.

    1:7 or 1:8 ????

    Can I just put them quick-lift rockers on it and not change all the pushrods and guide plates. Or should I just buy the kit and change it all. Is there any tricks or tips on changing that stuff? It looks like a pain to get in there.

    Running all stock.
    you have to get the crane quick lift rockers as a kit. the rockers require a shorter pushrod. stock is 7.400" and the ones in the kit are 7.250".

    i went with the 1.8 in the wife's car. if you decided on this, you will need better springs. should get better ones anyway.

    you can get it all from here. rocker kit, springs, valve spring tool
    http://vincihighperformance.com/superwebdeals.HTML

    installation procedure. you will need to grind some off of the insides of the valve covers for clearance. instructions for that are included with the kit.
    http://WWW.vincihighperformance.com/LS1 ROLLER ROCKER ADJUSTMENT INSTRUCTIONS.HTML

    this is the instructions with the diagram on where to grind
    http://cranecams.com/pdf/438e.pdf

    here's the dyno from the wife's car on stock cam and stock tune.


  8. #8
    Senior Member mrr23's Avatar
    Join Date
    Jul 2005
    Location
    orlando, fl
    Posts
    7,134

    dark bowling green
    2000 corvette

    Quote Originally Posted by MikeSomething View Post
    1) 1.8's won't clear the stock valve covers, without grinding
    corrected

    Quote Originally Posted by MikeSomething View Post
    2) Good luck w/ the passenger side coil bracket bolt under the cowl.

    the neat thing about 98 is the coils are individually bolted to the cover. much easier.

  9. #9
    Senior Member mrr23's Avatar
    Join Date
    Jul 2005
    Location
    orlando, fl
    Posts
    7,134

    dark bowling green
    2000 corvette

    Quote Originally Posted by camarojunky74 View Post
    yes, you would not need the whole kit!
    for the crane rockers, this is incorrect. explained two posts up from this one.

  10. #10
    Senior Member mrr23's Avatar
    Join Date
    Jul 2005
    Location
    orlando, fl
    Posts
    7,134

    dark bowling green
    2000 corvette

    Quote Originally Posted by Mr. Luos View Post
    1.7's are more than enough in my opinion.
    i guess my 1.8 shaft rockers are excessive then....

  11. #11
    Senior Member mrr23's Avatar
    Join Date
    Jul 2005
    Location
    orlando, fl
    Posts
    7,134

    dark bowling green
    2000 corvette

    some light reading on how stock rockers work and how the crane rockers work

    http://vincihighperformance.com/LS1%...HTML#quicklift

  12. #12
    Slow'er'Ass Mr. Luos's Avatar
    Join Date
    Aug 2005
    Location
    Thornton, CO
    Posts
    23,785

    Red Tint Jewelcoat
    2008 Trailblazer SS

    Quote Originally Posted by mrr23 View Post
    i guess my 1.8 shaft rockers are excessive then....
    Not excessive. They work for your build(s).

    I think for most cars, the 1.7's are plenty.

  13. #13
    Senior Member mrr23's Avatar
    Join Date
    Jul 2005
    Location
    orlando, fl
    Posts
    7,134

    dark bowling green
    2000 corvette

    Quote Originally Posted by Mr. Luos View Post
    Not excessive. They work for your build(s).

    I think for most cars, the 1.7's are plenty.
    using higher ratio rocker arms allow you to utilize less spring seat pressures.

    top level racing teams use up to 2:1 ratio arms. look at the history of the small block chevy engine.

    up to 1996 = 1.5
    LT4 = 1.6
    LS1 = 1.7
    LS7 1.8

    even ford has been using 1.6 for eons in the small block engines.

  14. #14
    Junior Member
    Join Date
    Jul 2007
    Location
    se iowa
    Posts
    11

    silver
    1998 ss - made in Canada

    So who in here just put on the 1:7 quick-lift rockers and nothing else?

  15. #15
    Member
    Join Date
    Mar 2007
    Location
    NC
    Posts
    421

    NBM
    1998Z28

    Quote Originally Posted by Mr. Luos View Post
    Not excessive. They work for your build(s).

    I think for most cars, the 1.7's are plenty.
    Especially if your running LSK lobes!

  16. #16
    2004 HEAD/CAM CTS-V 9t8z28's Avatar
    Join Date
    Oct 2006
    Location
    doylestown, Pa
    Posts
    6,818

    SILVER
    2004 CTS-V

    I just put on SLP 1.85 rockers and comp 918 springs and wow, what a difference!

  17. #17
    Senior Member camarojunky74's Avatar
    Join Date
    Jun 2007
    Location
    corona ca
    Age
    31
    Posts
    2,258

    white, white and pewter
    Rip99SSA4,74Z28M4,02SSM6

    really have you dynod it before the mod? and if so how much before?

  18. #18
    2004 HEAD/CAM CTS-V 9t8z28's Avatar
    Join Date
    Oct 2006
    Location
    doylestown, Pa
    Posts
    6,818

    SILVER
    2004 CTS-V

    Quote Originally Posted by camarojunky74 View Post
    really have you dynod it before the mod? and if so how much before?
    No Dyno before the mod. It is getting dyno tuned today.

  19. #19
    Senior Member camarojunky74's Avatar
    Join Date
    Jun 2007
    Location
    corona ca
    Age
    31
    Posts
    2,258

    white, white and pewter
    Rip99SSA4,74Z28M4,02SSM6

    sweet i hope everything goes as planned, hope to see you in the 300's

  20. #20
    Junior Member
    Join Date
    Jul 2007
    Location
    se iowa
    Posts
    11

    silver
    1998 ss - made in Canada

    Quote Originally Posted by 98ssboosted View Post
    So who in here just put on the 1:7 quick-lift rockers and nothing else?
    ????????????

Page 1 of 3 123 LastLast

Thread Information

Users Browsing this Thread

There are currently 1 users browsing this thread. (0 members and 1 guests)

Similar Threads

  1. Replies: 6
    Last Post: 12-30-2011, 12:40 PM
  2. High-Ratio Rocker Arms - Off Your Rocker
    By Ed Blown Vert in forum Firebird / WS6
    Replies: 0
    Last Post: 08-19-2011, 03:50 PM
  3. 1.7 or 1.8 rocker arm?
    By TmaxicanA in forum External Engine
    Replies: 2
    Last Post: 01-11-2008, 11:21 AM
  4. Rocker arm kit???
    By Chicago TDP in forum Internal Engine
    Replies: 5
    Last Post: 07-21-2007, 03:58 PM
  5. Rocker Arm
    By B.A.N.A.T.A. in forum Western Members
    Replies: 3
    Last Post: 11-21-2006, 08:07 AM

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •