545 stroker in '77 camper special
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8th Gear
Joined: Feb 2023
Posts: 8
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From: Renton
545 stroker in '77 camper special
Is there anyone out there that has installed a 545 in a 1977 F250 Camper Special. 2WD
I am about to get the motor back from the builder and would like to hear what some of the problems to look out for are, hopefully even some solutions.
My Motor will have AFR heads (CJ style) I am really running up against a wall with finding headers. If I run fender-well headers will I have to install a body lift?
I also have dual tanks, how did you route the exhaust?
Any help will be hugely appreciated,
Thanx
Howard
I am about to get the motor back from the builder and would like to hear what some of the problems to look out for are, hopefully even some solutions.
My Motor will have AFR heads (CJ style) I am really running up against a wall with finding headers. If I run fender-well headers will I have to install a body lift?
I also have dual tanks, how did you route the exhaust?
Any help will be hugely appreciated,
Thanx
Howard
Fleet Mechanic
Joined: Jun 2009
Posts: 1,312
Likes: 327
From: San Antonio, TX
545 should be interesting. Is it a low compression flat tappet cam torque monster? Or a fire breathing 12:1 roller cammed beast?
On the headers, I'm not sure, but you could always bite the bullet and have some custom made. Not going to be cheap, but might be the only avenue other than butchering your truck.
Good luck and post some pics when you can.
On the headers, I'm not sure, but you could always bite the bullet and have some custom made. Not going to be cheap, but might be the only avenue other than butchering your truck.
Good luck and post some pics when you can.
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8th Gear
Joined: Feb 2023
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From: Renton
The motor is roller cam, but not too bad on compression, it will run pump gas (premium) Should Redline around 6000 rpm. I am putting a Holley sniper X-flow EFI system with the Hyperspark Distributor on it for computer controlled ignition timing! I have already figured out the dual tank and the return lines for all of that, I am also using a FiTech Force Fuel Surge tank for storage/ pump with the mechanical pump feeding the tank. I was able to keep the dash all stock didnt need to add any switches. New 3/8" Stainless fuel lines already installed, along with a 4 core aluminum Radiator with 4 12" electric fans. I think I will end up with the fender well exit headers from MadDog and just hope for the best but have the welder ready to go if needed. As soon a Scotty J get the motor done I will start sharing the Pics.
Thank for your input!
Howard
Thank for your input!
Howard
Fleet Mechanic
Joined: Jun 2009
Posts: 1,312
Likes: 327
From: San Antonio, TX
Sounds like a helluva build! I like the idea of using Sniper EFI on a street-driven vehicle, and the Mad Porter/Scotty J is one of the best out there when it comes to 385 series engine builds.
Fleet Mechanic
Joined: Feb 2022
Posts: 1,371
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Looking forward to seeing dyno numbers if you're going to have a few pulls done. Check out post 36 here. He got 458HP and 520 lb-ft and it looks like he used stock heads, and that was with "only" 460-ish cubic inches.
https://www.ford-trucks.com/forums/1...d-build-3.html
https://www.ford-trucks.com/forums/1...d-build-3.html
Cargo Master
Joined: Nov 2007
Posts: 2,238
Likes: 475
Buy fenderwells that supoosedly fit the chassis, get a thick exhaust flange for the exhaust port layout on the engine, cut, modify, weld. Unless you want something exotic like SS headers, then it'll all be fab work.
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8th Gear
Joined: Feb 2023
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From: Renton
Unfortunately, Stan's is permanently closed. I was counting on him when I began the build. The AFR heads are the Bullitt 280's, they are CJ, style ports. I talked to Mad Dog and they made me feel very comfortable that they will fit without very much modification. I purchased them and now I will hold my breath. I will keep this site informed of what it ends up requiring and exactly what I have for parts. Hopefully it helps someone, someday.
Fleet Mechanic
Joined: Jun 2009
Posts: 1,312
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From: San Antonio, TX
My last stroker was a 514 that made 796 hp, but that was with 13:1 compression, big nasty roller cam, and a 1250 Dominator.
Cargo Master
Joined: Dec 2008
Posts: 3,213
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From: SW PA
That’s too bad about Stan’s headers….I bought a set about 20yr ago that were worth every Penny.
what size primary does Scott want you to run and what size are the mad dogs?
I think you will struggle to have traction up to about 65 mph.
what size primary does Scott want you to run and what size are the mad dogs?
I think you will struggle to have traction up to about 65 mph.
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8th Gear
Joined: Feb 2023
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From: Renton
I have traction bars to install, along with all new Polyurethane Suspension bushings and cab bushings too. I went with a set of Custom Caltracs for the traction bars. But secretly I am looking forward to letting the tires go at 45 mph.
Next onto the search for new rims and tires to try and get a little more traction.
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8th Gear
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From: Renton