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#1
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aluminum heads such as edelbrock
Hi
i'm curious, i assume the stock chrome pontiac valve covers do not fit on any of the kre, edelbrock,speedpro, etc manufacture heads even with thick gaskets? never seen anyone run them...
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69 Gto, 390 posi gears,th400 w/jim hand converter/406 pontiac/#64 HEADS/ 10:1 compression/ 190 PSI with/ TRW 160 thou domes / hooker headers 1 7/8, PRW 1.5 rockers, 405 Crower Springs, Holley 750 vac with proform upgrade, Performer RPM on points / 284 H Single Pattern Crane |
#2
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I have a set on some E heads on a new motor! Clear HS rockers fine with a thick gasket.
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Skip Fix 1978 Trans Am original owner 10.99 @ 124 pump gas 455 E heads, NO Bird ever! 1981 Black SE Trans Am stockish 6X 400ci, turbo 301 on a stand 1965 GTO 4 barrel 3 speed project 2004 GTO Pulse Red stock motor computer tune 13.43@103.4 1964 Impala SS 409/470ci 600 HP stroker project 1979 Camaro IAII Edelbrock head 500" 695 HP 10.33@132 3595lbs |
#3
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They fit just fine.
Edelbrock heads shown below.
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1964 Tempest Coupe LS3/4L70E/3.42 1964 Le Mans Convertible 421 HO/TH350/2.56 2002 WS6 Convertible LS1/4L60E/3.23 |
#4
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thanks again! that is awesome news!!! have a great weekend everyone
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69 Gto, 390 posi gears,th400 w/jim hand converter/406 pontiac/#64 HEADS/ 10:1 compression/ 190 PSI with/ TRW 160 thou domes / hooker headers 1 7/8, PRW 1.5 rockers, 405 Crower Springs, Holley 750 vac with proform upgrade, Performer RPM on points / 284 H Single Pattern Crane |
#5
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Same with the KRE's.
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#6
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With KRE heads from SD Performance and 1.65 Crower stainless rocker arms, I was getting a very light tap and kiss marks on my reproduction chrome covers with the thickest gasket. Ended up adding a 3/8" cover spacer and thin rubber gaskets and problem resolved.
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Michael 1970 Oshawa built 1 option Judge. 24 year restoration/upgrade project finally finished! 1979 Trans Am - low-buck drag car project for when I retire |
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#7
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I wonder if your repro covers are shorter then OEM?
Does your motor run longer push rods?
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Wernher Von Braun warned before his retirement from NASA back in 1972, that the next world war would be against the ETs! And he was not talking about 1/8 or 1/4 mile ETs! 1) 1940s 100% silver 4 cup tea server set. Two dry rotted 14 x 10 Micky Thompson slicks. 1) un-mailed in gift coupon from a 1972 box of corn flakes. Two pairs of brown leather flip flops, never seen more then 2 mph. Education is what your left with once you forget things! |
#8
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As the others have stated... OE replacement covers will work. This is KRE heads, full roller valve train. Spacer and thick gasket was used.
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1966 GTO Resto-Mod. 2nd owner California car, factory Air, Power Windows, Holley Sniper Quadrajet, MSD Dual-Sync, Gearstar 200-4R, Yank 2400 Stall Converter, HGM Compushift Mini, Heidt's Tall Spindle, UMI Control Arms, Hellwig sway bars, CPP Big Brakes, AR Torque Thrust M, Continental Extreme Contact DW |
#9
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I have never had to use a spacer with the aftermarket 69-70 type covers.Just use the 5/16 thick gaskets.That is with 600 plus lift and 1.65 H&S roller rockers.FWIW,Tom
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#10
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Quote:
Pushrods are 9.150". It wasn't all the rockers that touched, just one at each end of the head.
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Michael 1970 Oshawa built 1 option Judge. 24 year restoration/upgrade project finally finished! 1979 Trans Am - low-buck drag car project for when I retire |
#11
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Butler sells various thickness valve cover gaskets including the 5/16 that is mentioned above and a 3/8. A 3/8 thick gasket is pretty thick and in most cases would eliminate the need for a spacer.
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Tim Corcoran |
#12
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Tom where are these covers from ...Ames or...and part number if possible..
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1973 Firebird Navajo Orange w/shaker,1973 400/461,1972 Intake SD CNC'd,1977 Q-Jet 800 CFM w/ Cliffs Kit,Tanks Inc PA4 255 Walbro intank pump ,-8an feed/return,RobbMc Regulator,RobbMc 40 micron filter,253 CFM 6x-8's w/H.S 1:5 Roller Rockers,SD Stump Puller H/R Cam 230/236 @.050 112 lobe separation 565/.570 lift,Crower Solid Rollers,28150 Hedman Headers,3" exhaust,full tailpipes,350 Turbo,9.5" 3200 Converter,3:42 gear,8.5 posi,C/E slide-alinks,Koni adj frt shocks,Best 12.18@110.55 Lookin for 11's |
#13
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I am going to be using those covers also. I have Edelbrocks, 9.050" pushrods, PRW stainless rockers and .600" lift. I will use either thicker gaskets or spacers, what ever is needed. I want to keep a "stock" looking appearance.
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