Unboundmo, keep me updated on that turbo 3.4!

quote Originally posted by fieromadman: Looks like we have a lot of common ideas for engineering solutions. VERY interested to see final outcomes!

Yessir (and me too!). Yours and others I have studied as well. These aren't all mine and Dave's (and Will's) ideas, at least at first, though I do try to give credit where credit is due. As you might have read, though, I have explored pretty much all possibilities to build what I want, so a lot of it is from my own perspective, which must mean that great minds do think alike.
Also, like all designs, there has to be compromises and a lot of us come up with similar solutions to the problems, which 'may' mean that a particular solution is the best one. I guess it may also mean that we're all just dumb.
I love your car, it's not too often that you see a car owned for a long time and built up better and better over the years. I find that to be awesome, and MIDTRBO will hopefully be mine in the same way.

Carbon, it's more like a Gen II.V, hehe.

In short (I'll try...) The decklid brace above the compressor housing will have to be notched, which I really don't like, but that's about as short as the Y-pipe could get without becoming a T-pipe (no thanks). Dave's going to install some type of decklid strut on the right side that will be strong enough to hold up the decklid on its own. It's not fully determined yet, but it'll work out.

The exhaust will still be done how I want it, with a 'sport' mode and a 'race' mode, and adjustable anywhere in between. However, the layout had to change from my plan, particularly because I forgot all about the rear sway-bar taking up that room, heh. Hence, the half-cut trunk I mentioned earlier. That should also give me more room for my functional rear diffuser.

You can slightly see the cuts Dave made in the header flanges to relieve some of the thermal expansion stresses that might otherwise cause the welds to crack.

The turbine housing has also been ceramic coated as you can see, and for overkill points it's getting a nice turbine blanket on it too. He'll be making various heat-shields to protect the components that are close to the inferno.

A stock dogbone bracket would have bolted up to the heads, but Dave wanted to make a stronger one since I didn't have one already. I think I may want to beef up the trunk side too. I purposely don't expect too much off-boost torque (which is when it'll count most) so I think everything should hold up, but I've heard of cracking there and it is a poly mount, so I'd rather be safe than sorry.

Pretty soon I'm going to show off a bit of what I've been slowly collecting for the interior over the last couple of years.


I don't remember how much I've hinted at it, but now that my twin-turbo Camaro is gone , my time-machine is gone , my AWD Talon's are going , and I have a new reliable Camaro , I will definitely be going further with the Fiero. In addition to going above and beyond already planned suspension mods and fabrication (Will is the know-it-all in that arena, I know a bit), I'll be building up a very stout destroker short-block Gen III "3200" (so then no-more TGP parts, which is fine with me). I'll keep the top-end and accessory drive that Dave installed, especially with its now 'custom' rotated plenum, though there may be 'some' top-end porting and a 'little' cam involved. Add that onto what we're building up already and throw in a few extra key supporting mods, and that's about all I'm going to say for now so I don't get too far ahead of myself... just remember what I said awhile back about what this turbo can do with the right setup.


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'10 Camaro LT/RS, 312hp V6 6-speed
'88 Fiero GT - coming soon! - Project MIDTRBO
The rest of my cars are for sale
There's no replacement for turbo placement

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Edit: pointless 'medicated' posts.

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Just call em 'placeholders'

Your saving space for future posts.

I want those manifolds and crossover...

I can't tell from the pic, but the charge pipe is going to clear the strut tower, yes?

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Yeah, that's uhh, what they are, uhh, heh.

I want the manifolds and crossover too. +1

The compressor side hasn't been clocked properly yet, and the turbo isn't quite mounted on the crossover in the pics, so it will pull away from the strut tower just a bit further. When all that's taken care of the 2.5" charge pipe will fit, albeit, a tight fit (isn't everything? heh..)

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It's "official", I just got permission from my wife to put all of the money I will receive from selling both of my AWD Talon's straight into MIDTRBO. That'll just about finish it up without using too much more income. That includes the stout 3200 shortblock, W/A IC, smaller items, and the high quality paint job (I'm going to have lildevil do the paint, he's a painter here in MD and has done several Fieros, including his own).

Also, I'm flirting with the idea of selling my VW wheel/tire combo and going with ASA AR1's. Unfortunately everyone has them and I love the VW 5-spokes , but the AR1's are an inexpensive way to get better performance out of the car. The VW wheels are 17x7 all the way around and weigh 24lbs each, and with the AR1's I'd go with 17x9 in the rears and 16x7's in the front with the proper offsets. The 17's weigh 21lbs and the 16's weigh 18lbs, and I can get a better tire width combo to match the weight distribution. I'll have it corner-weighted before I do this.

That'll reduce unsprung weight and rotational mass all in one (depending on the tire weight differences). Slightly better suspension action, acceleration, and braking. Either that or the effective mass will be the same, but I get much wider tires (or somewhere in between), and that's not to mention that the fronts with a 48mm offset won't stick out on the '88 like the VW wheels do a bit, and I think the staggered diameter looks good on a Fiero. They should all fit around the 12" Corvette rotors.
win-lose-win-win

Here's a quick poor-quality PS:

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