The 1.7s are fine on that lift-- puts you in the .512 range, maybe a little higher. I run the same setup, but with 1.92 RT heads.
With Mopar rockers on RT heads, you'll need to cut the area around the pushrod holes-- as the casting/geometry is a little too tight.
Crower bolt on without any changes.
Sam
www.socaldakota.com
>
> From: "Brian Tong" <thedude807@hotmail.com>
> Date: 2003/07/14 Mon PM 04:16:18 EDT
> To: dakota-truck@dakota-truck.net
> Subject: DML: on the topic of rocker arms...
>
>
> So I'm going through the Mopar catalog putting together a parts list for my
> '99 5.2L so I know how much of my bonus will be blown on car parts =)
>
> My question is on 1.7:1 rocker arm piston clearance. The catalogue warns
> that the 1.7's may interfere with the pistons and to check clearance. Is
> any one successfully running 1.7's on stock pistons? I can imagine high
> compression pistons having clearance issues, but I will be running the
> ProCharger kit so I want to keep the stock low-compression pistons. I will
> also be running the "slightly illegal" cam. It's the one listed just under
> the R/T cam (can't recall the part number). That cam has a .486 lift. AND I
> will be using the R/T big valve (2.02 intake) heads. I figure low overlap +
> big lift + big valves + boost=good clean fun.
>
> Brian
> '99 cc 4x4 5.2L
>
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This archive was generated by hypermail 2b29 : Fri Feb 06 2004 - 11:46:37 EST