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Fitting adjustable rockers to gt40p heads 

 

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 Post subject: Fitting adjustable rockers to gt40p heads
Posted: Wed Jun 12, 2013 12:31 pm 
Tyre Shredder
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Age: 31

Posts: 372

Joined: 3rd Aug 2005

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Ride: ef XR8 / xe fairmont ghia 393.

Location: clare valley
SA, Australia

Hi guys I have stud mount trick flow 1.72 rockers. I want to replace the 1.72 yells Terra ones on my au220 heads. Is it a simple swap out or do I have to drill and tap for the studs.

I'm only asking as my heads are away getting checked out

 

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Ef xr8. Charged 9psi, tw 170 heads,track heat intakes,1.72 rockers, f303 cam, custom plazma man/ rapid cooler, 60lb injectors, tko600, sct eliminator, aeromotive fuel system.

393 xe ghia stage 5 als raceglides c4,9" full spool 31spline moser axles. Will be looking at running high 9s low 10's

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 Post subject: Re: Fitting adjustable rockers to gt40p heads
Posted: Fri Jun 14, 2013 7:18 pm 
Getting Side Ways
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Age: 38

Posts: 661

Joined: 14th Jan 2007

Ride: T1 TE50 P01

Location: Perth NoR
WA, Australia

To fit those rockers you will need to machine the heads for screw in studs and guide plates. You will also need to buy hardened pushrods and new rocker covers to clear the stud mount rockers.

If there is nothing wrong with the YT pieces don't bother with the effort or expense. That cash would be better put towards some alloys.

 

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TE50 T1 P01
200kw 5.0L, T5, Koni shocks, King S/Lows, Whiteline swaybars, DBA 4000 rotors, Acron CAI, 80mm Accufab TB, Difillipo headers & cats, twin 2.5" & Aerochambers, 3.91 LSD.

To Come:
Long rod 306, TFS 11R 205cc heads, SHP camshaft, 1.72 R/R, ported TFS Box R, 400hp NX SHO kit...

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 Post subject: Re: Fitting adjustable rockers to gt40p heads
Posted: Fri Jun 14, 2013 10:12 pm 
Stock as a Rock
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Joined: 5th Aug 2011

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Location: sydney
NSW, Australia

yer, like AFR 185 outlaws
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