Results 1 to 8 of 8

Rockers Question

This is a discussion on Rockers Question within the Internal Engine forums, part of the LSx Technical Help Section category; What is the difference between 1.7 rockers and 1.8 rockers? I want to get this package but I'm not sure ...

  1. #1
    Never Drink and Derive Tonik's Avatar
    Join Date
    Jan 2006
    Location
    Texas
    Age
    30
    Posts
    1,019

    Black
    '99 SS

    Rockers Question

    What is the difference between 1.7 rockers and 1.8 rockers? I want to get this package but I'm not sure on what rockers I need to get.

    http://www.ws6project.com/user_stor/catalog/product_info.php?products_id=1406{49}585{15}158{50 }587&osCsid=16f935763ce76b0e588720fa104330b3

    Also, I'm pretty sure i want the 232/230 .580/.580 110 LSA cam with the 64cc Chamber Size on the heads. I'm wanting my car to stay streetable but want to take her to the track and rip someone apart.

    I have QTP LTs, ORY, and GMMG Exhaust.

  2. #2
    member since may 2000 nhraformula's Avatar
    Join Date
    Dec 2002
    Location
    n/w chicago
    Age
    47
    Posts
    6,933

    black
    2000 nhra edition formula

    keep the stock rockers with the cam you are putting in.
    the 1.8s will not work with that cam unless you fly cut the pistons.
    2000 nhra edition formula
    a few bolt ons, 379 rwhp
    11.96 @113.25

  3. #3
    Senior Member Corona-Extra's Avatar
    Join Date
    Aug 2005
    Location
    Houston Texas
    Posts
    378

    Black SVT & Silver WS6
    2003 SVT Cobra & 2002 WS6

    the 1.8s will not work with that cam unless you fly cut the pistons??????

    what do you mean by that.....????

    i was looking at the same package....good question
    No replacement for displacement.

    Click for full size

  4. #4
    member since may 2000 nhraformula's Avatar
    Join Date
    Dec 2002
    Location
    n/w chicago
    Age
    47
    Posts
    6,933

    black
    2000 nhra edition formula

    Quote Originally Posted by Corona-Extra
    the 1.8s will not work with that cam unless you fly cut the pistons??????

    what do you mean by that.....????

    i was looking at the same package....good question
    too much lift between the 580 on the cam then rockers.

  5. #5
    Senior Member mrr23's Avatar
    Join Date
    Jul 2005
    Location
    orlando, fl
    Posts
    7,134

    dark bowling green
    2000 corvette

    your new lift will be about .614 you my not have enough piston to valve clearance with the quicker rate of opening on the valves. if not, you would need to notch the pistons for added clearance for the valves.

  6. #6
    Senior Member Corona-Extra's Avatar
    Join Date
    Aug 2005
    Location
    Houston Texas
    Posts
    378

    Black SVT & Silver WS6
    2003 SVT Cobra & 2002 WS6

    so, the stock piston's would need to be replaced to run the 1.8 set up?

    would there be any benefit in replacing the piston's ect. to accommodate the 1.8's our do yall think that would be a waste of money?? (im probally coming across as a dumb ass.. but I don’t know much about the actual internals of the muter…)

  7. #7
    Member keliente's Avatar
    Join Date
    Aug 2005
    Location
    Charlotte, NC
    Age
    33
    Posts
    723
    99 Firebird Formula

    Quote Originally Posted by Corona-Extra
    so, the stock piston's would need to be replaced to run the 1.8 set up?

    would there be any benefit in replacing the piston's ect. to accommodate the 1.8's our do yall think that would be a waste of money?? (im probally coming across as a dumb ass.. but I don’t know much about the actual internals of the muter…)
    No, it would not be worth $1000 + it would cost to replace pistons just to use those rockers.

    Like they said with that cam stick with stock rockers it will be fine.

  8. #8
    Member keliente's Avatar
    Join Date
    Aug 2005
    Location
    Charlotte, NC
    Age
    33
    Posts
    723
    99 Firebird Formula

    Quote Originally Posted by Corona-Extra
    so, the stock piston's would need to be replaced to run the 1.8 set up?
    What they are saying is that when the cam pushes the lifter pushes the pushrod pushes the rocker which opens the valve, the valve will open too much and hit the piston. The pistons would not have to be replaced, just flycut, which means you take this tool and cut notches in the pistons so the valves will clear. But just get the cam and skip the rockers, you don't need them!!

Thread Information

Users Browsing this Thread

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

Similar Threads

  1. 1.8 rockers on a ls6
    By 02transamce in forum Internal Engine
    Replies: 5
    Last Post: 06-04-2010, 02:59 PM
  2. lt1 rockers
    By jimmybling31 in forum LT1
    Replies: 9
    Last Post: 02-18-2008, 11:51 PM
  3. Question about rockers?
    By fast enough Z28 in forum External Engine
    Replies: 4
    Last Post: 04-12-2007, 08:31 AM
  4. Rockers
    By Phlash_riot in forum Internal Engine
    Replies: 23
    Last Post: 11-06-2006, 02:28 PM
  5. WTB: SLP 1.85 Rockers
    By WS SICK in forum Parts Wanted / Trade
    Replies: 0
    Last Post: 08-19-2005, 06:31 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
  •