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#1
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Hemi 7s
Saw on FB, someone here combo?
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1963 Cat SD Clone (old school) streeter 1964 GTO post coupe, tripower, 4speed (build) 1965 GTO 389 tripower, 4 speed, driver 1966 GTO dragcar 1966 GTO Ragtop 1969 Tempest ET clone street/strip 1969 GTO Judge RA lll, auto 1969 GTO limelight Conv. 4speed go and show (sold) 1970 GP SSJ 1970 GTO barn find..TLB…390 horse?….yeh, 390 1972 GTO 455 HO, 4 speed, (build) 1973 Grand Safari wagon, 700hp stoplight sleeper 525ci DCI & 609ci LM V head builds |
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#2
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That is awesome looking!
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John Wallace - johnta1 Pontiac Power RULES !!! www.wallaceracing.com Winner of Top Class at Pontiac Nationals, 2004 Cordova Winner of Quick 16 At Ames 2004 Pontiac Tripower Nats KRE's MR-1 - 1st 5 second Pontiac block ever! "Every man has a right to his own opinion, but no man has a right to be wrong in his facts." "People demand freedom of speech to make up for the freedom of thought which they avoid." – Socrates |
#3
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Looks like performance is goona happen. LS beehive Spring-Retainer pack huh.
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#4
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Lots of pretty aluminum on that engine stand. That head may be the running for the longest exhaust rocker arm ever! Can't wait for some dyno or on-track results.
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#5
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Not any info on combo, but along with pics said 4k hp. I’m assuming turbos application.
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1963 Cat SD Clone (old school) streeter 1964 GTO post coupe, tripower, 4speed (build) 1965 GTO 389 tripower, 4 speed, driver 1966 GTO dragcar 1966 GTO Ragtop 1969 Tempest ET clone street/strip 1969 GTO Judge RA lll, auto 1969 GTO limelight Conv. 4speed go and show (sold) 1970 GP SSJ 1970 GTO barn find..TLB…390 horse?….yeh, 390 1972 GTO 455 HO, 4 speed, (build) 1973 Grand Safari wagon, 700hp stoplight sleeper 525ci DCI & 609ci LM V head builds |
#6
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They say they’re looking for 4000 HP. Would guess it is for them and not for a customer but who knows.
I’d say a roots blower. Has a burst plate on that intake. Arias Chevy Hemis have some long rockers. Brendan Murry used to run them in his front engined nostalgia T/F car.
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" Darksiders Rule "
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#7
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I hope I'm wrong but I foresee valvetrain issues. That long alum rocker probably won't be happy for long
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#8
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I don't see much Pontiac there. Big money and tons of time. Hope it does all they want and more
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Be carefull of the feet you step on today.They may be attached to the a$$ you kiss tomorrow. |
#9
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Is it perhaps for the Gasser Brothers? Didn't Dil have KRE building him a hemi?
I would be more concerned about the shortness of the intake rockers than the length of the exhaust rockers. KRE claims almost 1" of valve lift possible, but that would put the roller end of the intake rockers almost off the sides of the valve tip.
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Anybody else on this planet campaign a M/T hemi Pontiac for eleven seasons? ... or has built a record breaking DOHC hemi four cylinder Pontiac? ... or has driven a couple laps of Nuerburgring with Tri-Power Pontiac power?(back in 1967) Last edited by Jack Gifford; 03-12-2023 at 01:35 AM. |
#10
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At least someone is doing stuff like this.
Why not, they bolt all kinds of heads onto Chevy's and the still call the Chevy's. Its great, wish them the best. |
#11
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All the hemi heads I've seen have long rockers like that.
GT |
#12
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The length of those exh rocker arms is frightening!
The only time I have seen rocker arms close to that long is on a 2 cycle Diesel that had exh valves and was never spun up to more then 1000 rpm.
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I do stuff for reasons. |
The Following User Says Thank You to 25stevem For This Useful Post: | ||
#13
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Quote:
Stan
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Stan Weiss/World Wide Enterprises Offering Performance Software Since 1987 http://www.magneticlynx.com/carfor/carfor.htm David Vizard & Stan Weiss' IOP / Flow / Induction Optimization - Cam Selection Software http://www.magneticlynx.com/DV Download FREE 14 Trial IOP / Flow Software http://www.magneticlynx.com/DV/Flow_..._Day_Trial.php Pontiac Pump Gas List http://www.magneticlynx.com/carfor/pont_gas.htm Using PMD Block and Heads List http://www.magneticlynx.com/carfor/pont_pmd.htm |
#14
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It might have a RA4 cam but a solid lifter version.
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72 lemans,455 e-head, UD 255/263 solid flat,3.73 gears,,,10" 4400 converter,, 6.68 at 101.8 mph,,1.44 60 ft.2007 (cam 271/278 roller)9"CC.4.11gear 6.41 at 106.32 mph 1.42 60 ft.(2009) SOLD,SOLD 1970 GTO 455 4 speed #matching,, 3.31 posi.Stock manifolds. # 64 heads.A factory mint tuquoise ,69' judge stripe car. 8.64 @ 87.3 mph on slippery street tires.Bad 2.25 60ft.Owned since 86' |
#15
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Quote:
Seems like there was a thread here on the Gen 3 block the hemi heads are bolted to?
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1963 Cat SD Clone (old school) streeter 1964 GTO post coupe, tripower, 4speed (build) 1965 GTO 389 tripower, 4 speed, driver 1966 GTO dragcar 1966 GTO Ragtop 1969 Tempest ET clone street/strip 1969 GTO Judge RA lll, auto 1969 GTO limelight Conv. 4speed go and show (sold) 1970 GP SSJ 1970 GTO barn find..TLB…390 horse?….yeh, 390 1972 GTO 455 HO, 4 speed, (build) 1973 Grand Safari wagon, 700hp stoplight sleeper 525ci DCI & 609ci LM V head builds |
#16
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According to Jeff, screw blower, 50+ boost.
25stevem, look at those Arias exhaust rockers. That’s an all out Nitro motor. It’ll be fine. Let’s wait to see how it runs. Don’t think they can dyno 4000+ HP.
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" Darksiders Rule "
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#17
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Is that Dill’s motor?
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1963 Cat SD Clone (old school) streeter 1964 GTO post coupe, tripower, 4speed (build) 1965 GTO 389 tripower, 4 speed, driver 1966 GTO dragcar 1966 GTO Ragtop 1969 Tempest ET clone street/strip 1969 GTO Judge RA lll, auto 1969 GTO limelight Conv. 4speed go and show (sold) 1970 GP SSJ 1970 GTO barn find..TLB…390 horse?….yeh, 390 1972 GTO 455 HO, 4 speed, (build) 1973 Grand Safari wagon, 700hp stoplight sleeper 525ci DCI & 609ci LM V head builds |
#18
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Pic of Dill's engine from the 2021 thread.
This new engine, put some twins on it and see what you can do. |
#19
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Quote:
https://www.youtube.com/watch?v=6KIKDSnGeZ8 Stan
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Stan Weiss/World Wide Enterprises Offering Performance Software Since 1987 http://www.magneticlynx.com/carfor/carfor.htm David Vizard & Stan Weiss' IOP / Flow / Induction Optimization - Cam Selection Software http://www.magneticlynx.com/DV Download FREE 14 Trial IOP / Flow Software http://www.magneticlynx.com/DV/Flow_..._Day_Trial.php Pontiac Pump Gas List http://www.magneticlynx.com/carfor/pont_gas.htm Using PMD Block and Heads List http://www.magneticlynx.com/carfor/pont_pmd.htm |
The Following User Says Thank You to Stan Weiss For This Useful Post: | ||
#20
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Quote:
They post dyno day Friday results often. Looks like they’re aiming for a new ET record.
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" Darksiders Rule "
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