Harland Sharp Rocker Valve cover clearance
09-03-2004, 12:24 AM
#1
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Harland Sharp Rocker Valve cover clearance I've used the search but I didnt' find a direct answer.
Do HS 1.7 RR's need any grinding on a 2002 LS1 motor to clear the valve covers.
Do HS 1.7 RR's need any grinding on a 2002 LS1 motor to clear the valve covers.
09-03-2004, 02:47 AM
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no...at least i haven't seen anywhere in all the reading i've done anything mentioning anything about clearance issues with the HS 1.7's....or the YT 1.7's for that matter either
09-03-2004, 09:20 AM
#4
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Some 5.3 castings also had clearance issues, I believe 862's if I remember correctly.
LS1 99+ Ok. some issues with valve covers.
On 98 it was the valve covers that had more issues.
LS1 99+ Ok. some issues with valve covers.
On 98 it was the valve covers that had more issues.
Last edited by PREDATOR-Z; 09-03-2004 at 09:46 AM.
09-03-2004, 09:44 AM
#6
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Found these threads on "search" (JRP would be proud of me) 
https://ls1tech.com/forums/generation-iii-internal-engine/189081-harlanf-sharp-1-8-rr-junk.html
https://ls1tech.com/forums/generation-iii-internal-engine/177306-broken-valve-spring-retainer.html
https://ls1tech.com/forums/generation-iii-internal-engine/141374-installed-harland-sharp-rockers.html
https://ls1tech.com/forums/generation-iii-internal-engine/189081-harlanf-sharp-1-8-rr-junk.html
https://ls1tech.com/forums/generation-iii-internal-engine/177306-broken-valve-spring-retainer.html
https://ls1tech.com/forums/generation-iii-internal-engine/141374-installed-harland-sharp-rockers.html
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09-03-2004, 10:36 AM
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I have installed alot of these and never had to clearance 99 and up heads or valve covers. The 98 valve cover is too short and does require some grinding but those heads hit everything.
Nate
Nate
09-03-2004, 01:56 PM
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A friend of mine had to clearance his corner rockers to fit his Stage II heads. But not his valve covers. Now mine with the 1.8s is a different story.....
09-03-2004, 09:49 PM
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There is major clearance problems with '98 valve covers. Mine required a 1" spacer from MTI to work ($245). '99 and up clear just fine. Great pieces, have fun 
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09-04-2004, 01:03 AM
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Well FFHP PM'd me back over on my board and let me know they're going to have the rockers shipped directly to them and then put them on the heads they're building for me. This way they'll be sure that there are no problems. Awesome customer service on the part of FFHP.
09-04-2004, 02:00 PM
#15
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Originally Posted by pdd
with my afr heads i had to grind every one of the HS rockers 
