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Piston Engine Conversion Have you replaced your rotary with a V8 or any other type of piston engine? Tell us about it!


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Old 04-02-2008, 10:05 PM   #1
$100T2
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Default So I have a 5.0L Ford now...

Courtesy of warwickben. My buddy and I picked it up on Sunday. It's going to get rebuilt/cleaned up/painted and thrown in the FB.

One of my patients rebuilds marine engines and has given me some ideas of what to do... Of course, I really don't know what the hell I'm doing, so anyone who can offer advice, that would be great.

I'm probably going to order a rebuild kit from Summit, get some 8.5:1 pistons, bore it .030 over, and turbo it.






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Old 04-03-2008, 09:19 AM   #2
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Bah! The easiest to make power in a 302 is "old school" style. Big ole honking cam, head work, and at least one carburetor! I have an 84-edition flat-tappet cammed 302 from a CFI application that I'm building for an 84 TBird oddly enough. We're entering it in the $2009 Grassroots Motorsports Challenge. It's getting close to a .600 lift cam, GT40 heads (not the "P" versions), long tube headers, probably an RPM Air-Gap over a single-plane though, a good 650+ cfm carb, and a good ole 250-shot of nitrous for the 1/4 mile. Flat-top 10:1 pistons are must.

302/5.0's can make good power on EFI and/or boost, but it's a LOT cheaper to do it the old-fashioned way.

So, what are the specifics on said engine, what is currently wrong with it, what are your power goals, and what kind of racing will it be doing?
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Old 04-13-2008, 10:12 PM   #3
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8.5:1... come on grow some heheh, I used to work with a guy that had 11.75:1 in a 351 with twin remote turbos... No IC other than methanol, he has since seen the light and going rotary...
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Old 04-20-2008, 08:45 PM   #4
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Well, plans have changed. I am going to take my time with this engine and save it for the 'vert and get an S5 T2 motor for the FB. The 'vert could really use some torque, because with the extra weight, it's slower than snail shit. I'm going to get it all cleaned up and start ordering parts to rebuild it, and probably do the swap next summer or the summer after, depending on how the FB project comes along.
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Old 04-20-2008, 10:53 PM   #5
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TII FBs are the best
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Old 04-24-2008, 12:51 PM   #6
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Quote:
Originally Posted by $100T2 View Post
Well, plans have changed. I am going to take my time with this engine and save it for the 'vert and get an S5 T2 motor for the FB. The 'vert could really use some torque, because with the extra weight, it's slower than snail shit. I'm going to get it all cleaned up and start ordering parts to rebuild it, and probably do the swap next summer or the summer after, depending on how the FB project comes along.
That sounds like the best plan, and not just because I like FB's to stay rotary, but because it actually does make a lot of sense. Verts are really heavy, the heaviest rotary powered sports car made if I remember correctly. FB's are light, tremendously light, and with a TII will really shit and get. Great idea.
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Old 07-25-2008, 02:45 AM   #7
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well, when you do plan to build that sbf if i were you i would get on summitracing.com Nd buy a scat stroker rotating assembly for it, 347 FTW. i dont know exact prices, but i know their chevy kits are under 800$ for a chevy 383kit and im sure it wouldnt be much different for a ford
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Old 07-26-2008, 12:25 PM   #8
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you could be real bad ass and get a dual 4 barrel carb intake. then run twin turbos. one for each carb. mite be over kill but what ever.

i wished i still had the mag that they turboed a 5.0 on the cheap i dont mean cheaply done but it was under 2k. in the mag they said every 15psi x2 the hp of bolt ons. what it means is say a intake adds 25 hp on a na 5.0 on a turbo 15psi motor that intake will add 50hp. they tested this out on a dyno with all the parts and it held true for most parts execpt for pulleys and stuff like that. can you trust every thing you read maybe not but i thought it was cool.

can wait to see that motor running. i was all most tempted to use that motor in my sa. but after rebuilding the 2.3 turbo block for the rs turbo capri. i deiced id rather keep a rotary in my car.

hey when you get what ever car your putting that motor in running we need to race. the turbo capri vs you 5.0 car. stock for stock the 2.3 made more power. but i want to see whats it like when both motors are built what happens.
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Old 08-11-2008, 08:20 PM   #9
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Throw a 20B in the Stang.
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Old 08-12-2008, 09:03 AM   #10
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trust me i would of love to put a rotary in a fox body but iam only half owner of the car.
id love to do a TII swap in to a fox body for a daily. but i need some thing for the winter, and my fb is not going any where.

still wish i could find a awd car and put a 13b in it.
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Old 08-23-2008, 12:19 AM   #11
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Quote:
Originally Posted by Nutsid View Post
Verts are really heavy, the heaviest rotary powered sports car made if I remember correctly.
You know what's really funny? Not only are they the heaviest rotary-powered sports car, but they're also the heaviest rotary-powered vehicle that made it to the states. Yes, REPUs, RX-4 wagons, and Cosmos are all lighter.
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Old 01-22-2011, 10:21 AM   #12
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U every do any thing with that 302.
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Old 01-22-2011, 11:27 AM   #13
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If you're going to spend coin on a Ford engine make sure it's the right one:

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Old 01-22-2011, 11:33 AM   #14
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A friend of mine is building a 302 using alum ebay heads (copy of the edelbrock ones) and the quality is surprising....
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Old 01-22-2011, 01:59 PM   #15
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A set of AFR 205cc heads would do nice with a nice profile cam.
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