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#1
08-25-2020, 01:41 PM
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Favorite stock pocket E head roller spring 1.8IH
So you guys have a favorite spring that will take .650-.660 lift? 220 ish seat Comps Hi Troque .406 lobe 1.6 shafts.
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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 |
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#2
08-25-2020, 06:42 PM
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Screamin Chief loved the HT 406 lobes.
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#3
08-25-2020, 09:11 PM
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Skip are your heads the first design?
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#4
08-26-2020, 10:11 AM
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Yep first design, maybe even first run as they were out for months when I wanted to buy a second set.
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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 |
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#5
08-26-2020, 02:57 PM
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These little guys will fit any od spring packet, 250psi on seat 650 psi open
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#6
08-26-2020, 05:37 PM
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I'll bite......
What brand are those springs and their part number ? .
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'70 TA / 505 cid / same engine but revised ( previous best 10.63 at 127.05 ) Old information here: http://www.hotrod.com/articles/0712p...tiac-trans-am/ Sponsor of the world's fastest Pontiac powered Ford Fairmont (engine) 5.14 at 140 mph (1/8 mile) , true 10.5 tire, stock type suspension https://www.youtube.com/watch?v=qDoJnIP3HgE |
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#7
08-26-2020, 08:20 PM
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How good is the spring life?
I just ordered a set of comp extreme 1244 springs recamended by Scott Brown. GT. |
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#8
08-26-2020, 08:25 PM
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I also ordered a set of trick flow by pac racing dual valve springs
Part number 16944-16. There supose to last a good long time. GT. |
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#9
08-27-2020, 09:31 AM
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IH is 1.8 I'm guessing a 1.500 pocket, I know Butler used to recommend the Comp 917s that are 1.550 and they felt tight so I found some Lunati Pro Mods that were 1.500 that are no longer made.
__________________
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 |
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#10
08-29-2020, 09:37 PM
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What about PSI springs. https://www.psisprings.com/products/1500-series/
https://www.psisprings.com/products/1200-series/ |
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#11
08-30-2020, 10:52 AM
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Here are some Howards that look close to SD's roller specs
https://www.howardscams.com/pro-allo...rds-cams-98643
__________________
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 |
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