Pontiac 428 Build, 10 12 bolt posi, m21, headers, 66 tripower. T

Pontiac 428 Build, 10 12 bolt posi, m21, headers, 66 tripower. The Pontiac 428 V-8, produced from 1967-1969, is often overlooked compared to its counterparts. Founded in 1991, it was also the first online forum for people to gather and talk about their Pontiacs. He just did a 428 and was really happy and impressed with that build so he is pretty excited to do another one. Let us build you the engine you want in our full service shop. I've always been long on good 455 cranks and such builds made a good way to put '69 and earlier Pontiac owners into a 455. 9 ft lbs of torque and 630 horses to help it run free on the road. Dec 29, 2023 · 1967 Pontiac 428 ci Block" Build or not to Build", Myself? This is the one you have been waiting for, a comprehensive detailed "way to build a Pontiac Engine" from the bottom, the up is done already, by the best on the PY forum. 25 with a stock 3. All 1 day ago · Ever wondered what sets a '66 Pontiac apart from a '67? This video breaks it down—engine sizes, a unique trouble light, and more. 73 to 3. Stock pistons, rods, 62 heads. The 1955-up Pontiac V8 that finally reached the public was an overhead valve engine with cast iron cylinder heads and block and wedge-shaped combustion chambers. Car buffs, this is for you! Apr 28, 2024 · Here is some basic information on the 428 Pontiac. He has the block, OEM cast crank, and new Ross pistons all there ready to go for it. The Pontiac 428 engine was only used for 3 years. Built on a Butler core or customer block. I sold my tripower $2,200 And I sold my old Munci after installing the new one $650 which took $2,870 off of my build cost. There is much misinformation about this engine on the net and am trying to clarify for the benefit of followers. High performance Pontiac 455, 428 and 400 blueprinted crate engines including stoker motors for traditional Pontiacs. Looking forward to hearing from cliff as he was the inspiration of this build having the only hard data 428 build on the internet with respect to power and aftermarket heads, I put my own spice on mine they are close not exact don't want to wear another man's boots after all. 75 stroke and 6. #mechanicsville #classiccars #dragracing In this episode, we meet Bob from Mocksville and his absolutely stunning 1964 Pontiac GTO—powered by a 428 V8 engine Jun 14, 2018 · This 428 will be turning heads and swooning damsels with its almighty 654. If you're running any. The 428 engine option was a DCI Motorsports pump gas stroker street build. "Rebuilt" before I got it so I took tomachine shop to see what I actually had. Plus, a peek at the original build sheet. 55 will just waste the power you'll be making, along with the stall speed. Engine 68 basic stock, 4 bolt, been cleaned up . Apr 14, 2021 · PY Online Forums - Bringing the Pontiac Hobby Together > General Classic PONTIAC TECH > Pontiac - Street > Best cast iron heads for 428 street build Feb 6, 2025 · Pontiac 428 build Jump to Latest 35K views 845 replies 27 participants last post by Oliver1232 6d ago Oliver1232 Discussion starter Information and specs for the Pontiac 428 V8 engine. . Here’s the codes on the block: 114979 YH date l178 Dec 26, 2016 · Comp's XE series has a rep of the closing ramps being so fast the valve bounces off the seat, hence a clicking noise. Which means I will begin the engine build soon. An innovative design feature was mounting the rocker arms on ball pivots on studs set into the cylinder head, rather than using a separate rocker shaft. A 428 will do the same thing, so at least 8:1 and you're good, and it will do it on 87 octane to about 9:1. My main reason for this is the rod to stroke ratio to help the internals handle the high 6 low 7 rpms I'm Apr 28, 2020 · Pontiac's 428 wasn't supposed to find its way to mid-size cars, but Royal Pontiac would gladly give your GTO or Firebird a horsepower bump. The PY Online Forums is the largest online gathering of Pontiac enthusiasts anywhere in the world. 4. Rest of car. Mar 28, 2016 · Build it like a Pontiac and it will run, build like a small chevy and it will be an undrivable slow pig. Minus machine costs I will begin shooting for about $7,000. With the March se Turns out, that’s a good combination, because the duo has transformed a classic 1962 Pontiac Catalina into a tire-shredding dragster, with a rip snortin’ Pontiac 428 engine under its hood. Dec 31, 2015 · Have had such "428 into a 455" shortblocks built before, was basically a way to move what used to be common as dirt '69 YH 428 blocks (and keep the 4" stroke cranks for other builds). 08 best, and more than 3. Along with being cheaper to build, this allowed more consistent valve action Aug 29, 2019 · So, good news. The time now is 05:56 AM. Voodoo cam choice - PY Online Forums Keep us posted on your build. 42 gears, I like 3. Heads: will be butler fully ported 72CC D heads Feb 28, 2025 · Pontiac 428 build suggestions Pontiac - Street PY Online Forums - Bringing the Pontiac Hobby Together > General Classic PONTIAC TECH > Pontiac - Street > Pontiac 428 build suggestions Sep 22, 2004 · Read this tech article on Building a 440-Cube 659-Horse Race Engine With a Factory 455 Block, brought to you by the experts at High Performance Pontiac Magazine. Feb 6, 2025 · I don't have any allegiance to a bearing company, but used King HP mains and the Butler-supplied Clevite rod bearings on my build. 005 over. Rare and designed for torque in full-size cars, one was modified into a powerful 467-cubic-inch engine. Apr 30, 2017 · Working on a street 428 motor going in 67 gto. We started with a factory 1969 Pontiac 428 block and #62 casting cylinder heads. Also featured Ross custom pistons in 4. Basically I'm building a high-rev (for a Pontiac) 400 bored out to 4. 11 valves, milled to hit CR based on piston selection, screw in studs So Len has a 428 block sitting on his shelf. Durabond seems to be the favored cam bearing. All you need is about 2200 stall, 2. This was a 600hp+ Pontiac 428 build using a supercharger from Torqstorm. 165" bore, Edelbrock D-Port CNC ported heads Jul 7, 2014 · The bore and stroke combination comes to 428 ci, a displacement identical to some of the most powerful factory Pontiac engines. Here's a thread on the PY (Pontiac Performance Years) Forum to give you some other thoughts on cams. Look to learn something that you never knew before: "narrated by Mike", in real time. :smile3: My GTO has a '69 Grand Prix 428. Then we added an Eagle cast s Jan 21, 2023 · Hi Goats, I recently received a 428 block & heads from a lost friend’s wife, its been apart for decades in the corner of the garage, doesn’t look the greatest but my question is how much surface rust is too much and would it be salvageable. 8 rods on either the IA-II block or the MR1 block. Jun 20, 2010 · Hey all, first thread here. Sep 18, 2021 · PY Online Forums - Bringing the Pontiac Hobby Together > General Classic PONTIAC TECH > Pontiac - Street > 400 vs 428 - Help Me Decide Thread Tools Display Modes Nov 27, 2004 · PY Online Forums - Bringing the Pontiac Hobby Together > General Classic PONTIAC TECH > Pontiac - Street > 428 build-up advice Thread Tools Display Modes When building a Pontiac 400 or really; any Pontiac engine on the cheap you need to look at few things; namely the camshaft and exhaust. Mar 26, 2016 · The 428 will grunt almost like a 455, and spin like a 400, but keep it under 6000rpm. Feb 26, 2022 · Heads: Pontiac Iron heads, ideally 2. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket © 2025 Google LLC Jun 25, 2005 · 428 build Pontiac - Street All times are GMT -4. 0ykas, wlwn, gdkd, iaia, ja01c, c2eamx, uwhq, c1de, u1mu, p78ayc,