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#1
06-03-2004, 04:01 PM
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Good thing I'm not in a hurry! Went to screw in the rocker arm studs, 6X heads, ARP studs
p/n 290-7201. They won't go. Pulled a stud off a set of 4X's I had. The bottoms are not the same size or thread. I thought this was a direct swap. So the Q is Which rocker arm studs do I need or do I have to pull the heads and have them machined  If that wasn't enough the dipstick I've had for 2 years isn't even the right size. Frustrationis building....
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#2
06-03-2004, 04:01 PM
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Good thing I'm not in a hurry! Went to screw in the rocker arm studs, 6X heads, ARP studs
p/n 290-7201. They won't go. Pulled a stud off a set of 4X's I had. The bottoms are not the same size or thread. I thought this was a direct swap. So the Q is Which rocker arm studs do I need or do I have to pull the heads and have them machined If that wasn't enough the dipstick I've had for 2 years isn't even the right size. Frustrationis building....
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#3
06-03-2004, 06:54 PM
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You bought the wrong studs. The ones with the 1/2-13 thread on the bottom are for converting press-in stud heads to screw-in studs, the empty press-in stud holes accept the 1/2-13 tap.
Buy a set made for a big-block Chevy, they will have the proper 7/16-14 thread on the bottom.
__________________
1964 Tempest Coupe LS3/4L70E/3.42 1964 Le Mans Convertible 421 HO/TH350/3.08 2002 WS6 Convertible LS1/4L60E/3.23 1966 VW Type 2 Single Cab Pickup 140hp 2276 1956 VW Type 2 Panel Van 36hp 1200 1957 VW Type 1 Beetle 180hp 2276 |
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#4
06-04-2004, 08:10 AM
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ARP-135-7101.
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#5
06-04-2004, 08:49 AM
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Want them quick? Buy a set of Pioneer brand studs for a BBC at your local parts store and sell the ARPs on EBAYT. Check your local Pontiac dealer for the dip stick.
__________________
""Guitar groups are on the way out", "The Beatles have no future in show business" Decca Records rejection of The Beatles - 1962" |
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#6
06-04-2004, 02:19 PM
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Ordered them from PY. Thanks
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#7
03-20-2006, 04:52 PM
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Finally found this thread.... Will those studs for the BB chevy fix my problem as well?
#62 heads (screw in), installing roller rockers that require 7/16" |
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#8
03-20-2006, 05:22 PM
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Call Paul Spotts or Butler or Pontiac Dude or Scott at Summit. I used ARP-135-7101 studs from Summit on my 48 heads when I installed my Harland Sharps
__________________
 frittering and wasting the hours in an off hand way.... 1969 GTO, 455ci, 230/236 Pontiac Dude's "Butcher Special" Comp hyd roller cam with Crower HIPPO solid roller lifters, Q-jet, Edelbrock P4B-QJ, Doug's headers, ported 6X-8 (97cc) heads, TKO600, 3.73 geared Eaton Tru-Trac 8.5", hydroboost, rear disc brakes......and my greatest mechanical feat....a new heater core. 
Last edited by David Jones; 03-20-2006 at 05:32 PM. |
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