Roller rockers??
Roller rockers?? anybody make a good set of roller rockers made to be a replacement for stockers with no shims or different pushrod lengths....1.7 ratio...just like stockers??
and now that I am looking into the harland sharp rockers.... what is the proper install procedure to get proper preload with the harland rockers??
is it still 22 ft/lbs???
is it still 22 ft/lbs???
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I have the Harlands Instock. The mounting is the same as stock 22ft lbs You should just check the preload quick just to be certian it is correct because as said every car and setup is different.
Nate
Nate
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I put in the Pro Mag 1.85s. They aren't cheap, but they are good quality. You will have to buy some hardened pushrods (which costs an extra $100) because the Pro Mags use guide plates and the stock pushrods don't get along with those guide plates. If you put in R lifters you use ZERO lash as your preload whereas with the stock lifters you go about 1/2 turn extra.
Originally Posted by soundengineer
what is the proper install procedure to get proper preload with the harland rockers??
is it still 22 ft/lbs???
is it still 22 ft/lbs???
same as the yella terra install
Originally Posted by JDPZ28
www.ls1howto.com
same as the yella terra install
same as the yella terra install
acording to the sellers....its still just 22ft/lbs of preload
found that out from a dealer
Scott,
The HS rockers only need shims if your heads are milled, or you go with the 1.8 ratio rockers. The stock 1.7s on stock heads usually do not need shims (enter disclaimer here). The install procedure on ls1howto.com should work for your setup. Or you can use the one I created after having issues installing my 1.8 HS rockers. (see attached file)
Mark
The HS rockers only need shims if your heads are milled, or you go with the 1.8 ratio rockers. The stock 1.7s on stock heads usually do not need shims (enter disclaimer here). The install procedure on ls1howto.com should work for your setup. Or you can use the one I created after having issues installing my 1.8 HS rockers. (see attached file)
Mark
Staging Lane
Joined: Mar 2004
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From: New York
If you are going to be going with a diffent valve spring with more valve seat psi. i would upgrade to a shaft mounted rocker. LS1s when you in crease the valve seat psi like to blow off rockers 
. So if your are going to go with more valve seat psi i would spend the money now and go with a set of 
Jessal saft mounted rockers. F T&D THEY SUCK 
Do not go with T&D rockers. 
. So if your are going to go with more valve seat psi i would spend the money now and go with a set of Jessal saft mounted rockers. F T&D THEY SUCK Do not go with T&D rockers. 