400 hp tbi 350 build. I need it to pull a 34 ft.

400 hp tbi 350 build Nothing to get too excited about but with some turbo boost the engines woke right up! Feb 2, 2020 · Stock TBI unit with 454 injectors and stock chip IIRC. 00 in. 94's isn't worth it. think they were around 400 but no need to push the trans back, cut May 19, 2017 · TBI - 350 crossfire injection motor build - What parts do I need to build a 350/355 crossfire injection motor ? 300-400 hp ball park and $5,000. The existing two 1 bbl TBI are capable of about 200 cfm each, a single 350 engine two bbl TBI is about 400 cfm. TBIchips has mixed reviews on other forums. Stock crank magnifluxed and machined 20/20 for bearings. Bored 60 over, decks squared off, along honed. bore and a 3. The plan is to build the engine that is currently in the truck, and does run but is old and tired. That means I'll have the following setup: - Ultimate TBI Mods - TBI Stock Block/Lower End - Vortec Stock Heads (Drilled For Coolant Bypass) Sep 7, 2024 · Yes, Chevrolet offers the engine below, but the horsepower is at 323HP looking for a little more power "400 HP" for that price tag. 09 inch more lift at the valve staying with the 110 degree LSA of the Crane. enginefactory. and a cam upgrade on the basic low-compression Chevy 350 stock replacement type crate engine. The swirl port heads used on that engine are only good for low rpm torque(3500 & below). 12-30-15 11:53 AM - Post# 2598734 In response to johnboy1022 It's do-able with the stock short block, if you believe the dyno results that Chevy High Performance magazine got quite a few years back while trying different combinations of heads, carbs, exhaust, etc. Nov 26, 2021 · My brother and I are going to be rebuilding his TBI, and want to give it some extra pep. Max hp is about 330 hp because of the limitations of the fuel injectors. Apr 3, 2021 · He also brought a 4" stroke 5140 billet steel stroker crank to the market. I have seen WAY too many cars with “500 HP” 350’s get their doors blown off by what I consider to be 400 HP 350’s. Jul 24, 2013 · So I'm wanting to put a 360 into my 73 dart, I'll be putting an 8 3/4 with 3. Use a 454 TBI and switch to a newer ECU and pay someone to tune it. Im looking to get 350-400 horse out of the motor So far ive got, Edelbrock RPM Intake Hedman 1 5/8 primary long tubes What im thinking Feb 21, 2015 · to start with, my crank was junk. 5 psi, but the stock fuel pressure is actually at 60 psi (22-23 #/hr). 800 bore, 3. 2 of 6. That's a 50% increase over it's current 200. I was planning a 5. Forums say you can have up to about 400 Hp on a 350 before you start to get unreliable, so I was hoping for around 350-375 hp roughly. To get at 400 horses with a 350 you need to look at something with about 20-25 more degrees of timing and about . It was a 1974 smogger 350, dished pistons, rods needed to be reconditioned, so it was new pistons & rods. I realize that TBI is not ideal for making more power but I want to keep it as much original as I can as the rest of the truck is basically as it came from factory. You'd be better off with vortecs or similar aftermarket heads. If it doesn't have to stay 350 inches, just a 350 block then put a 4. My engine is at the machine shop! Im worried i wont be able to get my TBI setup properly. Do a mild port job on the heads. On a modern engine dyno they were about 250 HP they were about 300 FT of TQ at the crank. d. There is some discussion that some Vortec injectors make be underrated and may flow up to 28#/hr at 60 psi. If you want to swap heads, the Vortecs are a great improvement, but it's not a straight swap - there's stuff you need to know. tq. I did a post a while back, and I'll try to dig up a link for you. 5k. Of course,the intake also has to go,unless you're planning on using the TBI & computer controlled engine mgmt. 5" pipe with an x pipe high flow cats, and Apr 2, 2008 · Boiled, New Cam Bearings and Freeze Plugs and now its time to build it, ive got a decent list so far, im open to any and all suggestions as this is my first performance build. Just something fairly fast and fun, but that can also get me anywhere i need to go Jan 21, 2010 · GM Performance Goodwrench 5. I plan on spending a bunch of time in the mountains with the suburban sometimes 1000 miles from home. Budget is $3-3. Reply. 5 exhaust, an Edelbrock Performer RPM intake, a 750 Holley or 800 Edelbrock carb, 1-5/8s to 1-3/4 step headers, and a decent HEI ignition will easily produce 400 hp on an engine dyno. towards the low end of the rpm range. -FT. Jun 5, 2020 · I want to build the cheapest, least expensive small-block 350 Chevy that can make around 400 to 450 horsepower. 400 LB-FT of FW-TQ will turn anything into a blast to drive, especially a light 2WD RCSB, and you'll have plenty of grunt to pull loads, one of the best things about a TBI setup. Not HP. His email is [email protected]. I am looking for more out of the engine. In a world of LS swaps and 5000 hp twin turbo drag strip destroyers, A feller is looking to build some old school muscle. com 1800 326 6554. Sep 22, 2006 · 447 HP Vortec Small-Block Build - Budget Sledgehammer our 350 made 447 hp on Speed-O-Motive's DTS engine dyno, and when every greenback we doled out was accounted for, we had change left over Jul 28, 2014 · Get you a bored our TBI and intake, or use a TBI adapter to a 4bbl intake. Nov 24, 2024 · What would be a better option for me: a 1992 350 tbi that I have a video of running, or a 1989 350 carb that hasn’t been ran in 2 years? Any feedback is greatly appreciated, and I would also love to hear recommendations for how to make 300-400hp with the 350. Nov 4, 2019 · eBay Motors wanted something cool to put in their booth at SEMA 2019, and they asked us to build a couple of engines, one being this Vortec 350. 5:1 compression with a base horsepower rating of 195 hp and capable of up to 260 hp depending on intake and injection setup. accel fuel pump 150 holley projection manifold 180 holley 670cfm 2bbl tbi 350 fuel pressure gauge 30 labtop 100 What does a build like this go for? 2y. Bogie Save Share Jan 20, 2023 · Run on the engine dyno, our $1,073 small-block produced 418 hp and 444 lb-ft of torque, making it truly a low-buck truck. You can easily get 300-340 hp. Mar 4, 2024 · We start with a nice basic Chevy 350 build parts list and move through such options as 400 hp 350 Chevy recipe, 500 hp 350 Chevy recipe, and even a 350 SBC turbo build. A high compression engine say 14 to 1 or better with heads will get there but at around 500 rpm. Jan 15, 2019 · I would never go vortec heads and stay tbi. Jan 25, 2017 · Hey guys I've got a 1989 Chevy 2500 hd with a 350 tbi. May 27, 2005 · Is any one pushing 350-400 Hp on TBI setup. Jun 15, 2017 · A stock 350 bottom end with L31 heads a Comp XE268H cam, 1. Apr 20, 2020 · I have a 1987 GMC R3500. Cheap is not doing an engine swap. But you can do those ultimate mods since they are free and will give you good air flow up to about 270hp or about anything you can build with the stock TBI heads. If your going going to build a motor for over 270hp then you need more then the ultimate mods. Vortecs with a good 230 @ 0. Oct 7, 2018 · PLEASE READ ENGINE SPECS BELOW before commenting1992 C1500: ~Tuned with Dynamic EFI EBL Flash II EMS~4 bolt main hydraulic Roller block (GM 638). It s '94 K1500. 56 gears. Jan 15, 2016 · I started off figuring on $1500 for having the short block done. Jun 5, 2020 · Learn how to use Vortec heads, a flat tappet cam, and other budget-friendly parts to make 400+ horsepower from a small-block 350 Chevy engine. So it starts building vacuum again in the higher rpm range which hurts the total hp. I got a tbi 350, with the swirl chamber heads, and a highly modified tbi system. 73 gears in the rear limited slip. I got a 350 TBI that I want to convert to carbureted, I’m wanting to make good amount of power around 400 HP, this would be my first time doing this and wanna know what parts are needed to make that power with a 350, such as new heads or cam and which are best to make that happen, Thanks for any advice or help In this video the Budget Build 350 makes its return to get some major horsepower gains with a set of small block Chevy Vortec cylinder heads, a bigger hydrau Mar 10, 2005 · A custom chip will make that price jump but with 300 hp as your goal you could probably get away with the right "over the counter chip" to make 300Hp I spent 700 already and will be spending another 400 for my prominator and labtop. Jul 25, 2015 · The 260 Crane cam is too mild to get into the 400 horse 350 power range, with Vortec type heads it's probably 330 to 340 horses. It should be about 360 HP give or take. I need it to pull a 34 ft. Am I out of my mind or not (btw it's not a light duty. ) Jan 4, 2024 · Compare changing only the heads and it is a vastly differenr story. Then a good exhaust is essential. - 1 IN STOCK !! at GM Performance Motor Feb 7, 2011 · iv talked about this b4, i want to build a 300hp tbi 350 for my 4x4 truck, the cam im looking at is comp ex249h to get close to the ole 300hp cam,and i dont want to use a stall converter unless i have to, i want to run reg gas, but i want to raise the compression up to 9. In the USofA it may be different, but the only vortecs here are $1k and mile'd out. The hardest part of the whole thing for me as been finding someone to do the chip work. 47 in. gooseneck. Dec 24, 2013 · you will need to find a local that can tune the tbi. I went with a forged piston in my build but that decision was cemented ultimately by my junk crank. 1-9. 7L/350 c. Jul 7, 2018 · The 454 tbi though was only because the 350 tbi is the bottle neck. a 400 hp 350 is a serious street engine. With the stock heads,300 HP would be iffy & take some doing. engines have approximately 8. HOT ROD Staff Writer Jan 24, 2014 Oct 9, 2020 · To get 400+ out of a 355 you'll need pistons, a complete cam kit, aftermarket heads, a modified late 454 TBI, and a better fuel pump. He offers complete rotating assemblies for around $2500 US and will make your 350 over 420 ci. I mostly use the truck for pulling Sorry for super late reply, I’m going for something fast but still reliable. 435 262 208 C. In fact I have run a L31 bottom end with TBI heads and still made right at 300 hp and close to 400 ft/lbs with headers, factory GM dual plane manifold and a Q-Jet. i. Have SPR Performance bore your unit. Feb 6, 2012 · Basically, I'm looking for cheap torque. 850 stroke but similar NA HP issues such as poor cylinder head flow and low compression. All told I have about $2400 in that alone. I'm considering basically this set up: My block with Vortec heads, a mild cam, carb intake, bored & ported 350 throttle body good for about 620CFM, injector spacer, salad bowl/hypercharger, wide open spacer, 350 injectors with the pressure increased, TBI chip and TPI fuel pump, Long tube headers, 2. Crank needed to be cut and so on. if yours is good I'd pay the money to have it checked/ground to perfection and stick with the 5. With a carb and vortec heads I can go 300 hp, 400 hp, 500 hp whatever I want to do. 3 you'll see this. 50 Jan 8, 2021 · Upgraded Vortec cylinder heads, a more aggressive camshaft, and reprogramming TBI chip to make 300 horsepower or more with a GM Chevy 305, 350, and 454 engine with factory TBI injection. Given the fact that $1,000 is nearly the cost of a set of most aluminum cylinder heads, reaching 400 hp for Jun 18, 2012 · The amount of work needed to get 400 hp out of a set of stock 1. This is a well travelled and popular path. View more comments. Design the engine as a 2bbl restrictor plate setup and could probably crest 400 with the stock size TBI and raised fuel pressure or larger injectors. can vortec 350 chevy heads make power? how well do l31 vortec 350 heads work? how can i make 400 hp from a junkyard 350? check out this video where i took a Oct 1, 2009 · In this case, chump change meant building our small-block with a ceiling of just $1,000. 050" cam, performer manifold and headers will yield 400 hp. 00" stroke crank in it. But that ain't good enough, nor is it old school enough. Mar 3, 2017 · I have a Chevrolet 350 block 3970010 4 bolt main and I'm looking to get somewhere between 400 and 450hp out of it , what's the best options on a budget? Oct 28, 2016 · I started following this thread and while I'm not worried about 400 HP I was hoping to increase my power with many of the upgrades everyone has noted. you need heads like cleaned up vortecs or better, hydraulic roller cam, Im thinking 5800-6100 rpm redline heads flowing 235 plus cfm,(if vortecs then the exhaust side needs work) Jan 4, 2024 · I got my Vortec heads, so I'm on track with that build plan. i went from 12 mpgs to 16, theres a couple ways to do it. If you compare the TBI 350, Vortec 350, and Vortec 5. 70s 4 bolt main 350 block. Use Brian's 18# fuel pressure regulator spring. - 1 IN STOCK !! Check out the deal on 383 HT383E Crate Engine 323HP 444LB. Aug 26, 2022 · Up until last year, the classic Goodwrench 350 two-piece rear main seal crate engine was the go-to choice for many hot-rodders looking for a brand-new small-block Chevy for a truck or a mild hot May 7, 2018 · I’d like to build a 350 for it that puts 400 horses on the ground, and I’d like for it to be an “all-motor” Camaro, without nitrous. Jun 11, 2014 · 2. These crate engines have a 4. In the mildest form, the stroker motors have made 400+ hp and 500+ ft/lbs of torque. Just goes to show how well a LT1 cam runs in a TBI 350. 0 May 28 Aug 16, 2010 · For Vortec engines, fuel injectors are rated at 19#/hr at 42. . Procomp heads: $589; Procomp dual-plane Mar 13, 2004 · If it has to stay 350 inches then you it is possible to make that kind of torque but not at the rpm. ANY dyno can be made to read whatever number you want simply by manipulation the load on the water brake, and/or the input data that it is basing its calculations on. i pushed my trans back 3" made a new rear driveshaft and used GM motor mounts. I was wondering if someone had a build sheet or some recommendations for me as this is my first engine build. I just wanted to share my build combo as it’s an easily repeatable combo that will work well. I wont even touch a project that has the Holley Apr 4, 2024 · And the facts are that modern parts build an easy to get 400hp 350 which even in the good old days with fuel injection and 11 to 12 compression couldn’t get 400 horses from a 350. He has dynos to back up his customer and his own projects. It has an sm465 and 3. 383 HT383E Crate Engine 323HP 444LB. . A realistic HP figure for that engine is around 300. I can get assembled vortec heads for ~$600 shipped, but the vortec heads don't make more torque, just more hp. This article explains the benefits of Vortec heads, the camshaft selection, and the valve train modifications. Dec 2, 2020 · Big power will require an investment in either tuning tools or a new induction setup. TBI 350, TH400, 4. How would I do that? I have a 350 Chevy truck engine short block with a one-piece rear main seal. Use a sheet of 3/8” alum and make a simple adapter plate to adapt to a TBI. Aug 20, 2014 · Almost seems like they copied the build I had in my old G20 van in about 2005 and selling a stock TBI with a LT1 cam for alot of money. Jan 24, 2014 · Easy Street 350 Small Block Engine Build Livin’ On Easy Street - Thanks to some Edelbrock top end parts and a cam swap, we squeeze 395 hp from a boneyard 350. The TBI heads are designed strictly for low end torque. Live. It was a tbi motor so I don’t think many of the parts off it will do me any good. I have a very mild setup in my truck, making about 300HP and 400TQ (at the flywheel). Eliminate the factory Y pipe and go with the flowmaster piece he recommends. But it’s not a high rpm built motor, and the throttle response will be quite snappy with the current setup. My plan includes some high-compression pistons and a big cam. The tbi unit is very limiting from what I understand and it's a mismatched setup that seriously limits the vortec head. I would like to see 400hp for less than $4000. 040" over pi I have a 350 out of my truck with 4 bolt mains and am looking for some build options for it. Home. Ditch the TBI style heads and use AFR enforcers with a regular 4 barrel intake. 55 gears and I'm not sure about what I'm going to do about the converter. 7" rod with the hypereutectic piston. The Vortec roller cam alone is worth probably 20-30 ft/lbs over the flat tappet in the TBI. Jan 6, 2024 · Hi guys and gals. I'm wanting to know what I could do to make around 375-400 lbs. Small-Block Chevy 350 Pricing. stroke with 4-bolt mains and 2-piece rear main seals. Aug 15, 2016 · The very 1st thing that needs to go are the heads. Use longtube headers and dual 3” pipes. 30 over, zero decked,9. But I'm wondering how I can get 400+ hp out of it without stroking or boring ,the car will be a street/strip car. I was also thinking about putting 305 heads on the 350 to increase the compression ratio. The next thing would be the camshaft. With ported heads, tri-y headers, decent exhaust system and a 2" bore TBI on a bored 3704 manifold with tuning it made a good bit more power. 7" rod build that utilized the stock 400 crank. Aug 18, 2015 · Conversion to a standard intake with a simgle 670 CFM 2 barrel TBI from Holley or off a 454 pickup. Hot tanked, magnifluxed, fully machined and balanced. Oct 12, 2018 · i did a 12v in my 91 v3500 (350 4l80e/205. Can’t quite get enough flow out of it. Nov 28, 2024 · The Buick 350 isn’t much different than the TBI 350. I've done TBI's and vortecs before but always a stock build. Stock TBI unit can make about 330 HP at its best with normal compression and cam design. The only things I used on the OG 350 were the block, crank and main caps. 5, will the stock heads get me there, and what pistons do i need to Mar 25, 2010 · 400+ HP and 500+ TQ is certainly not unreasonable for a TBI setup. This would support around 400 hp. 5 compression, keith black pistons, scat i beam rods, these are the Isky cam specs the machinest gave me 2000-5000 Int. 6 rockers on the intake and 1. 3. if i had to do it again i would buy a cross-member made for our trucks and the cummins or make it. Today I took off my intake and discovered I do in fact have roller provisions, so I'll be using the Vortec heads with the LT1 cam. Right now my block is being bored . 1987-95 350 chevy/400 Hp Tbi Fuel injected truck www. dpqmf kzqk jgtmd xpzzxw fclysive nbxkce hgt cxqlkd uuza qtfpo