3FE Xaust Mans on 2F head/CArb'd Intake (1 Viewer)

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mmmm, what's cookin? a set of oil soaked manifolds- the boss wouldn't let me steal her bacon grease. so this in canolla oil...

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manifold faces are milled flat intake and exhaust, each mounting boss is ground/filed to match the intake bosses to w/i 5-10 thousandths. I'm feeling pretty good so far...

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IT'S ALIVE, and it sounds great- even without the mufflers. No more exhaust leaks, lots of flow, yeah, so far, so good, I like this mod...still need to make hangers and take her on the road, then finish the pipe runs
 
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worth it:lol: holy pig was it worth it.....think SBC with 2 barrel carb and smogger cam. now I just gotta get some mufflers or else I'm gunna hafto make reports to the FAA, cause it sounds like a Bi-plane:hillbilly: about half pedal when I went from 3rd to 4th doing 60 at 3500rpms- 34" rubber 4.10 rear gear
incidently, I am running an FZJ80 rear custom width with 4.10 gears, an early FJ60 H42 and matching 34mm splitcase with stock speedo drive gear and nylon cable gear into a stock geared FJ55 speedo and the speed versus revs seem spot on. I imagine this same formula would work for anyone using a 4.11 geared speedometer with the 3.70 geared drive gear and matching nylon gear with the stock 4.10/11 gear rear end AND 34" TIRES should be rather close to speed when the speedo registers 60:meh:
 
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just to finish up...fabbed a y pipe and pass it all thru a cheap turbo muff with pre axle dump...got to run it all the way back but cutting and welding is winter work...
 
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So does this mean one could instal 2F headers on a 3FE?
most likely yes, but then, WHY? > the 3fe manifolds are about as flowing as the 2F headers, and a set of manifold halves can be had for about a hundo...unless you have a cracked mani and a spare set of 2F headers, it would be a fools errand.
 

cruisermatt

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Thanks for saving me two hundred :)

I'm doing a 3FE rebuild so I have manifolds, just curious

3FE headers would be even better :)
 

Delancy

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3FE headers would be even better :)

I dunno, man.

3F and 3FE are the same, and I couldn't see how one could improve much on the 3Fs I had, beyond cleaning up the casting irregularities, mebbe port matching, and/or ceramic coating.

Didn't do much of anything but slight polishing and grinding down the edges of the casting, all for that extra .065 HP.
 

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