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| New 88 Fiero GT owner, looking for suggestions. (Page 1/2) |
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Ikezzilla
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MAR 11, 07:46 PM
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Hello thanks for the info ahead of time!
I just got a 88 Fiero GT with the 2.8, i was told it had a little bit of knock when i bought it and i was hoping i could save it for a bit by just doing a bearing swap, But the crank shaft is to damaged. So i am looking at the motor wondering if i should just fix or replace the crank and accompanying bits and pieces, or if i should have some work done to this motor so i can get some more power out of it. Heck i don't even know if this motor is worth putting any work into or if i should get a new long block instead, Really just looking for some ideas and suggestions from the experts here. if its to vague and you need some more info let me know!------------------
Isaac J
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Vintage-Nut
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MAR 11, 08:12 PM
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| quote | Ikezzilla:
if its to vague and you need some more info let me know! |
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Like Mileage on the Engine and DIY or Pay a Shop?
EDIT - Read this thread as this has 3.4L links and other good info:
To engine swap or not to engine swap by Nasta
https://www.fiero.nl/forum/Forum2/HTML/147475.html
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Original Owner of a Silver '88 GT
Under 'Production Refurbishment' @ 136k Miles[This message has been edited by Vintage-Nut (edited 03-11-2024).]
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Raydar
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MAR 11, 08:16 PM
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Assuming... that the rest of the engine is good (which is a crapshoot, really), but you are going to keep it and fix it, as opposed to swapping it, I would, at the minimum, replace the crank and pistons with 3.1 pieces. (Those two items are the only difference between a 2.8 and a 3.1.) You won't have much more horsepower, but the difference in torque will be substantial.
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msweldon
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MAR 11, 09:54 PM
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Classic time for a 3.4L upgrade discussion... The time and money spent to upgrade to a 3.1 might as well be spent upgrading to a 3.4 block
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olejoedad
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MAR 12, 09:25 AM
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Buy a remanned 3.4 shortblock and install all of the other 2.8 Fiero parts on it.
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richard in nc
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MAR 12, 10:42 AM
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Ikezzilla
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MAR 14, 09:24 PM
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Its got 115555 miles it sounded pretty strong when it ran but i haven't checked the compression fluid looked good besides the metal from the failed bearing on cylinder 4, its gonna be a DIY project. I have seen a lot of people taking about a 3.4 swap. Right now i don't want to get down a huge rabbit hole, but i want to get a decent motor going in it. I'm just not sure if its more worth it to swap to something a bit better or sink some money into the original block. the mechanical part of swapping to a 3.4 doesn't seem to bad but how's the electrical portion is there much that changes?
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Raydar
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MAR 15, 02:56 PM
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The iron head 3.4 will run on the stock Fiero computer. It will run a bit lean on the Fiero injectors, but there are several ways to fix that.
The aluminum head 3.4 (aka 3400) will be a lot more complex. But that's not what we're talking about, I don't think.
The iron head 3.4 came in 93-95 Camarobirds.
So yeah... rebuild yours as a 3.1, or find a 3.4. When I suggested the 3.1, I was picturing a quick DIY. But the 3.4 will be even more satisfying.
If you want to do some head and intake porting, and swap the cam, it will be even more satisfying, but it can get spendy.[This message has been edited by Raydar (edited 03-15-2024).]
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Vintage-Nut
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MAR 15, 06:10 PM
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| quote | Ikezzilla:
Its got 115,555 miles it sounded pretty strong when it ran but i haven't checked the compression fluid looked good besides the metal from the failed bearing on cylinder 4, its gonna be a DIY project. |
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Thank-you, and my last question is MONEY - what is your 'budget' on the engine?
In these inflationary times; can you afford a 3.4L Remanufactured Crate Engine?
Please look at these 3.4L links below:
And as Raydar commented, "it can get spendy" when adding 'extras' on a 3.4L swap....
MY VIEW:
Obviously, you'll need to drop the engine which isn't easy for the 'average' Fiero owner (like me).
Second, IF you have the funds - your best bang for bucks is the 3.4L swap
Otherwise, wait to see when you open the 2.8L.....[This message has been edited by Vintage-Nut (edited 03-16-2024).]
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Ikezzilla
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MAR 20, 06:33 PM
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For me it's just a labor of love I have always wanted one of these cars, so it's gonna soak up my time and money. I appreciate all the suggestions so far. Thank you! I'm not totally sure about the capability of the 3.4 but it seem like a hard motor to get some higher performance out of, I'd honestly like to get a engine I could get to 300hp maybe 350hp so I might just wait, and redo the 2.8 while I figure out what I need to look at that will get me to that point. My main reason for not going all in on a bigger build right now is I lost my spot to have the car torn down for a long period of time.
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