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#21
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Was the T2 ported for a 4500 carb?
Any pics of it? |
#22
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Not actually ported to a 4500 but with some grinding to open up an adapter I think it may really like one? It liked a 2" spacer with the 4150
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Home of the 350 Pontiac that KICKED FULPER'S ASS! |
#23
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I'm doing a 350P now, great to see your post. Can I ask a few questions? As-cast the KRE chambers are 65 cc, what size did you end up with after working the heads? Did you find you needed the block eyebrows with the small valves?
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1964 Catalina 2+2 4sp, 421 Tri-power 1965 GTO, Roadster Shop chassis, 461, Old Faithful cam, KRE heads 305 CFM, Holley EFI, DIS ignition. 1969 GTO 467, Edelbrock 325 CFM, Terminator EFI 1969 Firebird Convertible |
#24
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You topped the big blowhards 350 in power, well done.
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Two 1975 455 Grandvilles & '79 455 Trans Am 69 Camaro SS 396/375 (owned since 88) 22 Toyota Sequoia V8 23 Lexus LS500 awd 95 Ford F-super duty 4wd 7.3 p-stroke & countless Jeeps & off road vehicles. |
The Following User Says Thank You to 455Grandville For This Useful Post: | ||
#25
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Quote:
I did not need the notches for clearance....those valves would free drop down the bores... barely, but they did clear. But when I added the notches to the bore fixture it made a HUGE difference in airflow
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Home of the 350 Pontiac that KICKED FULPER'S ASS! |
The Following 3 Users Say Thank You to POS Racing For This Useful Post: | ||
#26
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Thank you!
When I built my 1.0 version it made 385hp/425tq with 8.8comp, flat tappet cam and mildly ported iron heads I was pretty proud. Posted it on a FB group and he basically told me it was a joke and NO ONE would ever beat his "King 350". Challenge accepted!😎 Where I differ from him is I hope someone now realizes these little guys have potential and instead of scrapping one builds one better than this one. Pretty sure I could have topped 600 with this one but Mama told me it needed perfect street manners. Little cam made for a helluva torque curve though
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Home of the 350 Pontiac that KICKED FULPER'S ASS! |
The Following User Says Thank You to POS Racing For This Useful Post: | ||
#27
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Very nice!
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#28
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Seems the 3- Intakes are within measurement error. But my real point is to wonder which Intake promotes the best acceleration under load in the 1/4 mile.
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#29
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Luckily they sure will be easy to check at the track!
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Home of the 350 Pontiac that KICKED FULPER'S ASS! |
#30
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Who'da thunk?
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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) |
#31
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Congrats and thanks for sharing your results.
Kris.
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*** THE BIG BRACE is here *** |
#32
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Very nice engine! Who needs a 421 etc. to make power?
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The Following User Says Thank You to 61-63 For This Useful Post: | ||
#33
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After watching Engine Masters within the last week on Motor Trend they had a NA 350 chevy that they dynoed, and you exceeded their numbers. When you're able to exceed the engine that has had more development time, and money thrown at it in the last 65 years, you have really done something well....
Nothing I like better than to see a chevy beaten by a Pontiac on an equal playing field. As long as your car hooks, your gonna break some hearts.....LOL |
The Following User Says Thank You to Sirrotica For This Useful Post: | ||
#34
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How does a 350 block compare in strength to a 400 block? Does anyone know ?
Great numbers! Nice to see this ...
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My Half AN Injun..... |
#35
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Great job!
Since this is the street forum, I hope you are better at traction control than I. First gear on mine (only 430 HP) is worthless on the street when driving in anger Jon.
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"Good carburetion is fuelish hot air". "The most expensive carburetor is the wrong one given to you by your neighbor". If you truly believe that "one size fits all" try walking a mile in your spouse's shoes! Owner of The Carburetor Shop, LLC (of Missouri). Current caretaker of the remains of Stromberg Caburetor, and custodian of the existing Carter and Kingston carburetor drawings. |
The Following User Says Thank You to carbking For This Useful Post: | ||
#36
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While we are handing out over due applause for killer Pontiac 350 motors let’s go back to 1974 and Burt Straus and his Sunbird that I saw run a 8.85 in the 1/4 mile early that Summer.
It was well worth my two flat tires that I had to deal with to get to Englishtown and see that take place!
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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! |
#37
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Nice work! Thanks for sharing.
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#38
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Quote:
I saw Burt at Englishtown also (not sure what year). While he had to run factor iron heads, most of the ports (intake and exhaust) were nowhere the factory location That is what could seen just looking at the engine. Have no idea what one might have seen looking at the head from the combustion chamber side. 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 |
#39
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For years, Tom S. and I have been discussing WHY so many Pontiac guys dismiss the 350P. Tom has advocated for a stock stroke, stock rod length build using either the KRE or E-heads. This build SHOULD open eyes AND minds to the potential of the 350P when properly planned, engineered and built.
POS Racing, I’m going to assume you utilized an LS piston blank and ring pack with your pistons?
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It takes considerable knowledge just to realize the extent of your own ignorance. Dr. Thomas Sowell |
#40
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Stan, I never got the chance to track him down in the pit’s to see the car.
As I recall a thunder storm rolled in and I headed home. Is he still with us, does anyone know or has he passed?
__________________
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! |
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