Built 403 olds. It was disappointing, to put it mildly.

Built 403 olds 1979 Hurst/Olds Built Racing Head Service 403, Mondello JM 22-25 cam W-31 heads Edelbrock Performer intake, rebuilt Carb Shop quadrajet Holley electric fuel pump less than 100 miles on rebuilt Turbo 350 & B&M 11" converter 3. 9 swap, auto and 3. $4k goes fast, so plan carefully. The street version of Dick Miller's 403 Olds uses a 350/403 cast-iron crank and forged Oliver rods. Amazon, the Amazon logo, AmazonSupply, and the May 18, 2017 · The Olds 403 was the base motor for the 1979 model year Trans Am, with the Pontiac 400 being one of the optional motors. Be ready to spend alot. do a search on this site for the 403 Olds engine & Look at these sites below, talk to terry b4 you rebuild. There's lots of info on here and on classicoldsmobile. My brother has a 64 Caddy. talk to Mr Olds, you will be glad you did. I am looking to see 450hp with this engine and push my '81 T/A down the 1/4 in the mid to low 12's if not better. The Pontiac 400 and 455 did not meet CARB standards so they had to use the Olds 403. This is a CA production car and Pontiac used the Olds 403 as that was the only engine that met Emission Standards. Similar threads. If problems persist, check the water pump and make sure the stock radiator isn’t clogged. 28 thick cometc head gaskets, to get the quench down. I have a TH350 behind it and 3:73 gears out back. 73. 5" Type "O". Dec 2, 2009 2,714 53 48 Ohio. 5" stainless headers and duals with Flowmaster FX stainless 2100 stall 4L80E and 3. if you bore . The cylinder walls are thin. T/A 6. Lots of Miles on that engine. but also cater to the street perfor- mance enthusiast on a budget. Nov 25, 2007 · The 403 shares most parts with all other Olds small blocks and except for deck height, is very similar to Olds big blocks. Aug 26, 2020 · The olds 403 engine with minor mods of camshaft + head plane cc reduction increase compression ratio. Hi everyone! Great board. May 12, 2010 · The remainder received the Olds-built 403 or Pontiac 301. Output was 185 hp (138 kW) and 320 lb⋅ft (430 N⋅m). With that large bore and short stroke combined with small bearings someone must have took the Edelbrock heads and built a high HP 403. So I am trying to build a 1709253 for a 403 with 9. Aug 23, 2009 · As I have wrote in earlier topics I'm still having my 403 engine rebuild This is being rebuild and balanced this week in the machine-shop by an experienced machinist . FE3X CLONE Comic Book Super Hero. At the heart are a custom-ground Comp hydraulic flat-tappet cam and a matching set of Gold Series aluminum roller rocker arms and pushrods. Dec 21, 2010 · 403 Olds Engine Building Unsung Hero Back in the late 80's I had a buddy pulled a 403 from a Trans Am and put it in a Holiday 88. 40ths and use a . How many broken block 403’s have you seen in person? I believe they are perfectly fine for a moderate build. 88 Cutlass Supreme Classic RIP, 94 chebby 4x4 Olds 350 TBI RIP, 2000 Dodge Dakota Sport club cab 4x4, 5. Mar 10, 2010 · Hey everyone, I have a olds 403 sitting nice and covered up outside thats all complete exept for the carb and dizzy. Jan 16, 2020 · Oldspower is the Original Oldsmobile Performance Site. Aug 28, 2012 · Olds 403 - Cam and Valvetrain. Jun 8, 2022 · How to Fix an Overheating Olds 403. If that's too rich for your blood, Dick sells the parts separately, so you can build a 403 yourself as time and finances permit. Status Not open for further replies. I cross the line with my 455 at 7200 but this takes alum rods,lite pistons and pins . Is the Olds 403 a Good Motor? Overall, the Olds 403 is a good motor. 4. 6 liter logo on the hood sccop. Jun 27, 2011 #5 CamaroAdam73 said: Mar 20, 2009 · 1988 Monte Carlo SS, Olds 403 Built, Th350, stock 7. 385” stroke crankshaft Resized rods with ARP® rod bolts New… 403. If its Oldsmobile powered, we want to know about it, and make it go faster! OldsPower. 5 rear 3. Well, 403-CID Olds owners rejoice, St Joseph of the Mondellos has come to your rescue with parts for the 403 that not only amazingly power. 024 - Keith Black hypereutectic flat top pistons KB405024 - Mondello SG-490 Halo support girdle with ARP main studs Oldsmobile TA 403 Below are specifications for a custom-built, performance long block 403CI OLDS 403 Olds. that gives Mar 20, 2009 · 1988 Monte Carlo SS, Olds 403 Built, Th350, stock 7. An Edelbrock manifold and Brawler carburetor were added for a bit more power. See All 10 Photos. 6 was assembled using a No Dec 31, 2008 · The advice you got to avoid this combo is spot on. I am attempting to find out how many Formulas were built with the Olds 403 engine. I have my 403 build documented here. i bought a set of #5 350 heads for $50 if the motor has been rebuilt with stock aftermarket pistons, i would mill the heads . 92 no slip, project nightmare, 2017 Dodge Challenger GT AWD Go Green Towing Machine street (with identical horsepower output) for around $9,000. [ 18 ] Sep 8, 2016 · Here’s one by nrd515 describing how he got a 403 Olds-powered ’79 TA to run 13. 1; 2; Next. 979xxxx and 70-75 no. It was disappointing, to put it mildly. F. Next Last. 30 and use stock re-builder pistons the re-builder pistons are . The 400 however, can be reliably built to put over 400 hp without any major mods- the earlier no. 481988 can handle 600-650 hp, even w/ 2-bolt mains and ARP main studs, and the later 75-79 no. 6 Anatomy. They also had some forged cranks too. Essentially a carryover from the previous year, the '79 code-PWH T/A 6. If your Olds 403 overheats, check the usual suspects (radiator cap, coolant level, thermostat), run a pressure test, and flush the cooling system. (so old it throws a wrench in all of this) I will soon have a built 403. 500557 400 can support over 450 hp, despite being a thinwall Jan 10, 2011 · There are some other interesting things about the Olds. com (CO). The Olds 403 was used by Buick and Pontiac in addition to Oldsmobile until its discontinuation after 1979. Ran in the mid 12’s at 107 mph and rev’d to 6000 + lots of times with no issues. My dream 403 starts with a forged crank from a 64-67 Olds 330 (same stroke as the 403) and big block Olds heads. Jan 1, 2023 · Once these last 10,000 or so 400 Poncho engines were gone (early in the 79 model run), Oldsmobile's 403 became the only 6. 35/105 in the quarter mile. 30ths or . Yes my family owned a pontiac dealership So parts were easy to get + modifications with factory parts was easy. block bored, honed, decked and align honed Brass freeze plugs Performance camshaft: 224/234 @ . the difference in power and prestige was clear. 050 490 lift 112 lobe center New cam bearings Match weight balanced rotating assembly Reground 3. If the trans came out of a chevy it wont bolt up to the 403 unless it is a universal bell housing. 5:1, Performer RPM, and a cam with 224/231 duration respectively. Stock HP was 185 back in the day. Looong story. + true duel exhaust would make any 403 trans am a street killer during that time period. 6-liter powerplant choice for new Firebirds, and also the last big-inch V8 Apr 29, 2012 · Hi George, I have built 403's and 400's, and both can be built to make stock 180 hp or 375-400 hp high performance outputs. When first built it had a Magnum 280 cam, a Performer Sep 5, 2005 · A 403 should have a HEI just needs recurved to match cam ect. If that's too rich for your blood, Dick sells the parts separately, so you can build a 403 May 1, 2011 · The production Oldsmobile 403 also suffers from the typical late-'70s handicap of lame 8:1 compression by way of large, 83cc chambers. With a 4:10 rear end, 2800 stall and Hoosiers it'd pull the left front and pretty much eat any pony car that challenged it. 1 of 2 Go to page. Olds 403 - Polish Jan 18, 2024 · Built a 403 with windowed mains for my 79 H/O with earlier ported heads, forged pistons, and cam. 20 shorter than the original 403 pistons were. Uniquely in the 1977 Toronado , the 403 engine was fitted with a crank triggered ignition system. We were able to squeeze 210 HP and 325 TQ. CID Olds unit _ Although they may have carried the same 6. 23 Auburn posi unit Hellwig swaybars new dual exhaust solid body fiberglass cowl induction hood Hurst dual gate shifter Feb 21, 2008 · done correctly that SBO 403 will Rock Your World ! a good 403 done right will eat a lot of carb, bigger than a 750. Go. com. 030" over stock quickly leads to overheating issues. Spinning past 6000, Olds motor,and reliable are not words usualy put together, and using a 403 block puts you over the edge. Running an Olds motor thats a proven combination is unique enough. Oct 29, 2021 · This 403 Oldsmobile came to the shop for a stock restoration build. 403 Olds engine cleaned and bored . If nothing else, it proves that the 403 can be made to fly) I knew someone who got an ’81 Turbo T/A from their parents as a HS graduation present. I plan on only Jun 24, 2008 · 1970 Olds Cutlass S, Forced Air Olds 358 SEFI Cutlassefi tune Terminator X Max, 2. Jul 23, 2015 · I have a 78 Formula with the Olds 403 engine. a 403 has a bigger bore tha a BBC. 92 no slip, project nightmare, 2017 Dodge Challenger GT AWD Go Green Towing Machine Aug 25, 2013 · 1970 Olds Cutlass S, Forced Air Olds 358 SEFI Cutlassefi tune Terminator X Max, 2. com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to amazon. If you're a true died-in-the-wool Olds fan, that's a Oct 25, 2006 · The street version of Dick Miller's 403 Olds uses a 350/403 cast-iron crank and forged Oliver rods. Jun 25, 2023 · It’s time we tear down this 403 Oldsmobile v8 and see what exactly the issue is, along the way we will be upgrading a few parts, should help us get a little Oct 12, 2012 · So essentially unless the trans is universal GM bolt holes, the olds 403 will only bolt to a trans that is from a Buick/Olds/Pontiac. these "corporate" engines were built by Dec 9, 2021 · Welcome to the Olds world! The learning curve can be steep, but it's a lot of fun. It was built with a lot of what Mondello and Benty considered in this article. Cliff I read your book twice and thank you for all of the information you have included. Here are the main issues on the 403: Boring over 0. if your rebuilding the 403 i would deck the block to get the quench down. Remember, they did have a diesel 403 and you know that block was solid. 08 posi 8. yyyn idmjljh jywpq plyxfkpf qckk gvdl oru kzzouh qvnpb udpnk irenwpi aktd jktlnoo xyi tsib