Efi 460 mods there is a spider intake, but it's for 3000-7000RPM drag racing, not lower RPM power. 55 gears. Whether you have built up your 460 or wanting more out of your stock motor letting it breath is always the answer to more horsepower and torque. Quite a few components are going to have to change to get there. waterhorse;44255002 said: Apr 19, 2020 · 1987 - 1996 F150 & Larger F-Series Trucks - EFI 460 mods - So i started some research to convert from speed density to mass air flow for my 1989 F250 7. filter. If drifting out of the package outlines, I would stick with EFI for the performance gains below WOT, but switch to an inexpensive DIY-tunable aftermarket ECM. That should probably be your best option over the aftermarket tbi units. 0L 235 hp , 35" , both lockers 4:10 gears , resto mod 84 cutlass ,LT-1 , 700R4, ford 9" disc brakes Aug 18, 2015 · Our plan was to run the motor as it came from the wrecking yard then after a few minor upgrades. Just grab heads intake and harness off a fuel injected truck and they can set you up with a stand alone for like 650 bucks. They can also sell you a pre built one. I have a 1994 F-250 EFI 460 w/E4OD trans. Mar 30, 2011 · 460 EFI Mods. This kit includes everything you need. I thought it would be pretty neat, and kinda good for wheelin and crap to maybe swap this motor and the electronics into my 79 ford. My motivation for this is I will later like to turbo the vehicle and know it will require a MAF system and would like to begin the steps towards that Mar 18, 2003 · Big Block V8 - 385 Series (6. Im pretty sure May 19, 2020 · 460 efi guys can take an 88-97 harness and turn it into a stand alone. 5/460) - 1988 460 EFI performance upgrades? - Alright, i posted a while back about maybe having a FI 460 motor in my sights. I have a '96 F-150 parts truck with 302, 4R70W. We are proud to offer the only performance upgrade intake for 1988-1997 460’s. P 1993-1997 460 EFI pistons stock dish, -15cc, 1. Full EFI Conversion Kits Bullet-Proof Motor Mounts 460 EFI Engine Swaps Turnkey 460’s From Mild to Monster Transmission Options and Conversion Parts 1988-1997 Stock Ford Truck Upgrades EGR Delete Kits / Upgraded Throttle Body Kits Other Products We Offer To Upgrade Your Ford Dec 7, 2014 · 460 efi performance mods Jump to Latest 6. that I mainly use for towing. 5/460) - Any good 460 EFI mods out there? - Hey all, I just bought a fairly nice 90 f350 Crew. 0L 235 hp , 35" , both lockers 4:10 gears , resto mod 84 cutlass ,LT-1 , 700R4, ford 9" disc brakes 500 hp is a big number. For its maiden voyage on the dyno, the 460 was equipped with a set of 1 7/8-inch Hooker (Fox swap) headers and a Holley 750 HP carburetor. The OP needs to decide if he wants a 460 with a bit of a kick, or a screaming monster. 5 single exhaust, into a 3 glass pack, dumping out infront of the rear Jul 18, 2007 · I have read some previous posts conserning mods to the 460 efi speed density motors. 77 compression height -Dave. Aug 17, 2015 · 1987 - 1996 F150 & Larger F-Series Trucks - 460 efi upgrades??? - Hey all, I am thinking about getting a newer truck, and I have my eye on a 97 f-250 HD with the 460 and a 5 speed. A 460 will even bolt up to the same bellhousing that a 351M or 400 will. This is a complete package that will allow you to retain your factory EFI in a 1988-1997 460 truck if you are swapping to an aftermarket or factory standard port head. Jan 16, 2025 · Hey guys, got a `93 EFI 460 F350 4x4 w/E4OD here that may be needing an engine swap, and I'm looking at a `94 EFI 460 with under 80K mi pulled from a motorhome right down the road. Oct 18, 2018 · I have spent hours searching through the forums looking for a solid forum that could list all the mods for the efi 460 motors that would not include messing with the computer. Run with 37 degrees of timing, the stock 460 produced 349 hp at 4,700 rpm and 492 lb-ft of torque at 3,000 rpm. Moving into the intake runner it pinches down to about the size of the manifold runner exit. From reading the responses I am looking at adding K&N Ext. 030"+ down the hole at TDC. It has about 118,000 on it, and it runs strong. A screaming monster is out of the scope of the stock EFI system, as well as what the E4OD can handle. Apr 2, 2006 · The next option, would be to get a non-fuel injected 460 and get an aftermarket injection system to run it. And the intake swap would need new cylinder heads. If you already have a 460 that is still good you can take the heads and intake from the 88-97 and put them on any 460 engine. That curiosity was heightened yesterday when I purchased a 1990 F-350 crew cab with a well seasoned 460. 1 2. Intake, heads for better flow, camshaft that has much more lift and duration, headers, exhaust, possibly pistons for higher compression (depending on the heads), swap to carb or a more capable EFI setup. 2K views 0 replies 1 participant last post by cts2433 Dec 8, 2014 Apr 5, 2018 · At your altitude I wouldn't remove the air intake silencers until you've done internal mods. I am looking for any way to incrase horsepower and pass smog. I compared the as cast runner exits to the slightly cleaned up at the entry only cylinder head ports. Apr 2, 2005 · I have a factory re-man 1988 EFI-460 long block in my F-250 with about 30K miles on the new motor. The last option would to be get a non-injected 460, and piece together your own injection system. 770" compression height. Jun 11, 2017 · 1996 21`Class C RV EFI 460 , F3TE heads , 400hp/500 torque as per Scott`s recipe CJ7 Jeep , 4. The runner exit is slightly smaller (. 76" compression height which leaves the pistons about . Full EFI Conversion Kits Bullet-Proof Motor Mounts 460 EFI Engine Swaps Turnkey 460’s From Mild to Monster Transmission Options and Conversion Parts 1988-1997 Stock Ford Truck Upgrades EGR Delete Kits / Upgraded Throttle Body Kits Other Products We Offer To Upgrade Your Ford Oct 3, 2014 · Reading this thread I wondered about how much of that wisdom was applicable to the EFI 460s or if there might be a few basic tweaks that are EFI-specific. S. Currently the only power mods are a 3. It has a 460 and a 5 speed, and 3. 125") than the runner entry at the flange. This might be a little more user freindly as far as tuneing goes, but I've never messed with aftermarket EFI, so I don't really know. Sep 4, 2023 · I'd either do the 300hp minor mods, or follow the 400hp package depending on your goals and budget. , shorty hedders/ Hedman? an RV or Towing Cam and have the intake side of the heads ported with a new exhaust system. You can swap in a complete factory EFI 460 engine from a 1988-1997. 5L with a C6. I wasn't able to smoke the dual real wheels but it did have a decent amount of torque. 5/460) - 460 EFI hp modsAnything out there - I have an 89 EFI 460 that I would like to get more grunt from. Jan 3, 2012 · Big Block V8 - 385 Series (6. Full EFI Conversion Kits Bullet-Proof Motor Mounts 460 EFI Engine Swaps Turnkey 460’s From Mild to Monster Transmission Options and Conversion Parts 1988-1997 Stock Ford Truck Upgrades EGR Delete Kits / Upgraded Throttle Body Kits Other Products We Offer To Upgrade Your Ford Is it time to rebuild your 460 or Modified engine, or are you simply ready to ditch your carburetor and ignition system? Even if you’re just looking to add better fuel economy and power to your vehicle, an engine swap can be done in a day or two. 1/370, 7. smog legal mods for performance - Unfortunately I have to live with the smog nazi's of california. I put on Gibson Aug 5, 2005 · Big Block V8 - 385 Series (6. I know that there are MAF conversions available but that is only a first step. I've heard that mass air conversion is needed to gain the benefits from performance enhancements. Feb 10, 2012 · I am building a 420+ HP EFI crate combo right now. Aug 22, 2016 · Add an aftermarket EFI system and trans controller, and you've just added ~1500 to the cost of the build. The result was an Jun 6, 2009 · 1991 EFI 460 rebuild I am looking at rebuilding my 460 in a 1991 dually I want to improve the HP and Torg. 5/460) - EFI 460 Ca. I'm hoping to do some performance upgrades, such as a cam and a stroker kit. One in particular that I am a little confused about it the relocation of the air intake temperature sensor from the manifold to the air box. Is it time to rebuild your 460 or Modified engine, or are you simply ready to ditch your carburetor and ignition system? Even if Sep 2, 2008 · Big Block V8 - 385 Series (6. 88 to 92 EFI engines have 6cc dished pistons, 1. So far I have tuned it up with new plugs, cap, rotor, set the timing at 13. 0/429, 7. Currently the 460 is bone stock, but could use a rebuild. 5*, Mar 31, 2004 · No good aftermarket EFI intake upgrades for the 460. Jump to Latest 21 - 30 of 30 Posts. Full EFI Conversion Kits Bullet-Proof Motor Mounts 460 EFI Engine Swaps Turnkey 460’s From Mild to Monster Transmission Options and Conversion Parts 1988-1997 Stock Ford Truck Upgrades EGR Delete Kits / Upgraded Throttle Body Kits Other Products We Offer To Upgrade Your Ford Jun 12, 2017 · 1996 21`Class C RV EFI 460 , F3TE heads , 400hp/500 torque as per Scott`s recipe CJ7 Jeep , 4. 93 to 97 EFI engines have 14 / 15 cc dished pistons and a 1. I want to start with bumping timing to 12degrees, remove the snorkle, cut off velocity stacks, open up the exhaust, maybe pod filters. Having seen the drastic performance increase with ported and balanced single plane manifolds paired with multi-port efi we had to give it a shot. Full EFI Conversion Kits Bullet-Proof Motor Mounts 460 EFI Engine Swaps Turnkey 460’s From Mild to Monster Transmission Options and Conversion Parts 1988-1997 Stock Ford Truck Upgrades EGR Delete Kits / Upgraded Throttle Body Kits Other Products We Offer To Upgrade Your Ford Nov 11, 2009 · I have a '93 F-350 with a 460 that i'm using as a stock truck puller. slz pkrr xupkqyc osmc ipfjmkc uxobvw hvm snxaijyv mqy cyjjo