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Feasible? 2.8 Auto > 2.8 F23 > 3800 F23 by FieroGT42
Started on: 08-30-2012 04:28 PM
Replies: 9 (622 views)
Last post by: FieroGT42 on 09-29-2015 05:38 PM
FieroGT42
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Report this Post08-30-2012 04:28 PM Click Here to See the Profile for FieroGT42Send a Private Message to FieroGT42Edit/Delete MessageReply w/QuoteDirect Link to This Post
I'd like to incrementally upgrade my Fiero from the 2.8/auto to the stock 2.8 with an F23 while I'm building a 3800 S/C swap over the next year or so.

What I need to know first is how to build the F23 mounts that are low enough (or who sells a kit) for the 3800 S/C to mount an intercooler eventually (preferably the full stack) but will still work with the 2.8 / F23 before that. Are there any other issues that would keep me from doing this? I'm assuming I'll need to notch the deck lid, but that's no problem.
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Report this Post08-30-2012 06:47 PM Click Here to See the Profile for ericjon262Send a Private Message to ericjon262Edit/Delete MessageReply w/QuoteDirect Link to This Post
if it was me, I would just skip to F23>3800.

what year is the car?

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FieroGT42
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Report this Post08-31-2012 06:57 PM Click Here to See the Profile for FieroGT42Send a Private Message to FieroGT42Edit/Delete MessageReply w/QuoteDirect Link to This Post
86 fastback. I'd just go right to the 3800, but I want the car drivable sooner, the 2.8 runs well, and I've already put money into fixing its exhaust and some other parts. I'm not sure I want to sink that much more into a swap right now until I find out whether I'm keeping my current job or getting the new one I'm trying for.
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Report this Post08-31-2012 07:07 PM Click Here to See the Profile for ericjon262Send a Private Message to ericjon262Edit/Delete MessageReply w/QuoteDirect Link to This Post
is your current trans dead? I would build the swap on the side if it's not. then, you just pull the cradle and swap it.

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Report this Post09-01-2012 10:20 AM Click Here to See the Profile for kikinz24Send a Private Message to kikinz24Edit/Delete MessageReply w/QuoteDirect Link to This Post
 
quote
Originally posted by ericjon262:

is your current trans dead? I would build the swap on the side if it's not. then, you just pull the cradle and swap it.



I agree to this... if yours isn't blown just build the f23 3800 swap off to the side and only tear your car down once.
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FieroGT42
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Report this Post09-01-2012 02:56 PM Click Here to See the Profile for FieroGT42Send a Private Message to FieroGT42Edit/Delete MessageReply w/QuoteDirect Link to This Post
Thanks for the advice everyone. That's what I'd rather do, but that wasn't my question. I'm waiting on a few things before I can do the engine swap but I'd love to have go from auto to a nice 5 speed now since it's the same one I'll be using later.
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ericjon262
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Report this Post09-01-2012 04:17 PM Click Here to See the Profile for ericjon262Send a Private Message to ericjon262Edit/Delete MessageReply w/QuoteDirect Link to This Post
It can be done, but it WILL be DOUBLE the WORK!!
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Internet-man
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Report this Post09-28-2015 11:15 PM Click Here to See the Profile for Internet-manSend a Private Message to Internet-manEdit/Delete MessageReply w/QuoteDirect Link to This Post
I'm planning on doing something similar with mine. that is, bolt the F23 to my 2.5 now then an engine swap later. It may be twice as much work but it doesn't cost more if I'm doing the work myself.
The thing is that I'm in college and this is what I can afford now.
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Report this Post09-29-2015 05:31 PM Click Here to See the Profile for KhwSend a Private Message to KhwEdit/Delete MessageReply w/QuoteDirect Link to This Post
Curious but something to consider. The stock V6 is a 60o engine and the 3800 a 90o engine. The actual engines location in the bay with one being wider than the other may change where the trans has to sit. You may end up having to make the mounts for the trans twice and possibly even shift cables and other parts. Does anybody know if this would be the case?
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FieroGT42
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Report this Post09-29-2015 05:38 PM Click Here to See the Profile for FieroGT42Send a Private Message to FieroGT42Edit/Delete MessageReply w/QuoteDirect Link to This Post
I'm counting on possibly needing to make separate trans mounts for the 3800 later, or whatever engine I choose. Not much else needs to be "twice the work". Trans mounts, flywheel, HTOB spacing.

Engine mount needs to be made anyway, clutch line can stay the same, master cylinder, slave adapter, pedal set and manual shifter, cradle and rear suspension restored/upgrades, digital dash module. All this will stay the same on my car.
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