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#1
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A little damage...
Detonation makes for ugliness.
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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) ... or has a Pontiac born the same year as Jim Wangers? (1926} |
The Following User Says Thank You to Jack Gifford For This Useful Post: | ||
#2
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Ouch!! Hopefully it can be repaired
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James 1970 Trans Am Spotts Built 484" IA2, Highports, EFI Northwind Holley Terminator X sequential EFI fabrication and suspension by https://www.funkhouserracecars.com/ |
#3
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I see your blower is for sale.
Is this the end of this streamliner engine project or simply a revision ? Boy that head sure looks terminal.
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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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Marcella has been known to repair some messed up heads.
But that one looks pretty bad. Sorry about your troubles Jack. |
#5
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Wow. Sorry Jack. Hope you can repair it.
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#6
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Very sorry to see this.
Wow, look at the cracks even around the head bolts! That head was lifting off the block a crazy amount. That can likely be fixed, but at what cost, it would be monumental if you can’t do it yourself I would think. How does the crank and the rod bearings look? The bearings must be badly hammered? How long has this head been in use?
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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! |
#7
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WOW!
Sorry to see that damage. Was this on alcohol? What's the plan now?
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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 |
#8
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Wow, that's pretty bad Jack. Sorry to see this. I've been following your project for many years now. I see your blower is for sale, you putting this project to bed?
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#9
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That should buff out!
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"At no time did we exceed 175 mph.” Dan Gurney's truthful response to his and Brock Yate's winning of the first ever Cannonball Baker Sea-to-Shining Sea... Still have my 1st Firebird 7th Firebird 57 Starchief |
#10
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Better to have built a one of a kind awesome engine and blown it up than to have run a cookie cutter boring one.
Interesting to see the thickness of the casting. Sorry to see it blown up like that. If I still had spare heads I’d give you one to replace it but you know I sold them. I hope you still have some ideas for another project. Rob Maybe you could cut the head in half and built a two cylinder Hemi………..😎
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" Darksiders Rule "
Last edited by misterp266; 01-21-2024 at 01:10 PM. Reason: Thought added |
The Following 3 Users Say Thank You to misterp266 For This Useful Post: | ||
#11
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I have seen some worse than that repaired. It's a setback and opportunity for upgrade. The only positive statement I can make.
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Be carefull of the feet you step on today.They may be attached to the a$$ you kiss tomorrow. |
#12
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Wow sorry to see this
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#13
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#14
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Ouch, that's a big chunk gone.
Care to go into some details you think might've caused that? Someone said blower, what boost psi, fuel, AFR, timing etc? Curious what they would charge to repair vs buying a new head that you 100% can guarantee to beat on again and right away.
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69 GTO Convertible, 4000lbs 462ci, 606tq/569hp - 93 oct @ 34 deg (207psi) 11.7:1, KRE H Ports, Lunati HR 282/290 w Johnson Lifters & 1.65 Scorp, E30, EFI, Holley HP + Dual Sync, 12-1 Crank Trig, 120lb Inj & 1000cfm TB, Torker II EFI Int & Rails, PTC 10", Ricks SS Gas Tank, Magna 4303, Aerom EFI Reg, Aero Front & Wilwood Rear Disc Brakes, Dougs 1 7/8" & Borla Pro XS 3", Alum Rad & Dual Fans, 12:1 Box, UMI Arms & Viking Berz Fr + Rear CO Shocks, Hella UP28 Vac Pump, 12 Bolt, 3.73, 33 Spline |
#15
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Sorry to see this Jack. You are an innovator and I feel lucky to have been able to follow some of your exploits. I hope you are able to recover from this.
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67 Firebird 467 cubic inches 7.71 @ 92 in the 1/8 and 11.69 @ 115 in the 1/4. |
#16
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3D scan cut a new one from billet?
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If your not at the table you're on the menu A man who falls for everything stands for nothing. |
#17
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Bingo! Looking at the breakage- how fragile that old casting was- I regret starting the project with it. A billet would be the way to go.
I've decided to build the engine as a 91 c.i. two-cylinder (#1 & #4) and drop down to H/BFL class. That will only require some crude TIG welding to close up the water jacket in #2.
__________________
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) ... or has a Pontiac born the same year as Jim Wangers? (1926} |
The Following 3 Users Say Thank You to Jack Gifford For This Useful Post: | ||
#18
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Nitro?
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1977 Black Trans Am 180 HP Auto, essentially base model T/A. I'm the original owner, purchased May 7, 1977. Shut it off Shut it off Buddy, I just shut your Prius down... |
#19
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Not to long ago the story would be who has a blueprint? No one Ok painfully make one up from scratch $$$$$ Have someone convert a man made drawing to a diggie program $$$$$
Now CNC machines are even more capable iam not sure how many axis they are up to and you can wave a wand around a old part to create a build file At first this kind of tech is expensive and few n far between but has become more mainstream if you watch the TV show Gunfather Restorations they remake stocks for old guns that come in in this fashion It wont be as cheap as a box of cereal but far fewer hurdles and man hours than the past
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If your not at the table you're on the menu A man who falls for everything stands for nothing. Last edited by Formulas; 01-22-2024 at 07:26 AM. |
#20
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5 axis CNC Machines are becoming common even in small shops. $$$$$$$ though.
4 axis machines have been around even before the 1960s. Companies have been using special CNC machines in the wood working industry for custom home "front doors" for 50 years. TV
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"Engineers do stuff for reasons" Tom Vaught Despite small distractions, there are those who will go Forward, Learning, Sharing Knowledge, Doing what they can to help others move forward. |
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