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K swap 1988 Pontiac Fiero GT

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Old 01-25-2017, 04:56 PM   #1
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Icon2 K swap 1988 Pontiac Fiero GT

Not sure if this is the right place to post this. I am in the process of swapping in a K20A2 into my 1988 Fiero GT. The car has 15k miles on it from new. Its been a test bed for many parts I have developed over the years. I have partnered up with Euro Pacific Auto Tech here in Panama City, Fl. I don't know anything about Honda's. My buddy Antonio talked me into this after watching vids of the K swapped MR2 on YouTube.

Have a look at my build series I will be posting on YouTube. Be gentle, its my first time!






Current engine is a 2007 Pontiac Grand Prix L32 3800sc mated to a F23 5 speed from a cobalt. Good for approximately 300whp


Vid!
https://www.youtube.com/watch?v=FD-oigfUOe4&t=21s

Last edited by BVMotorSports; 01-25-2017 at 06:23 PM.
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Old 01-25-2017, 05:12 PM   #2
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Default Re: K swap 1988 Pontiac Fiero GT

OMFG!

I have an 87, would LOVE to do this!

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Old 01-25-2017, 05:16 PM   #3
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Default Re: K swap 1988 Pontiac Fiero GT

Nice! You on PFF? I'm on there, same username. My biggest concern with this swap, and I know its not going to be a popular comment on here, is I hope it doesnt sound like a Honda with a fart can on it.

Its looking like we are going to either go K20A2 or K24A2 with K20A2 head and the TSX's 6 speed. Add w2a intercooling and a BW60-1 turbo = yay!
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Old 01-25-2017, 05:22 PM   #4
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Default Re: K swap 1988 Pontiac Fiero GT

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Originally Posted by BVMotorSports View Post
Nice! You on PFF? I'm on there, same username. My biggest concern with this swap, and I know its not going to be a popular comment on here, is I hope it doesnt sound like a Honda with a fart can on it.

Its looking like we are going to either go K20A2 or K24A2 with K20A2 head and the TSX's 6 speed. Add w2a intercooling and a BW60-1 turbo = yay!
I'm not on PFF.

I think it will sound great. I saw old Lotus Elan at an autocross once and was not real impressed until I heard it crack VTEC.

The K20 is a very nice sounding motor. It has a very racecar exhaust note with the right silencer. It won't sound like a grocery getter with a fart can.

If I had an 88 like you, I'd do more with it. BUT the 87 with the crap suspension, there's no helping it, AFIK.
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Old 01-25-2017, 05:29 PM   #5
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Default Re: K swap 1988 Pontiac Fiero GT

Sure there is. I have an 87 as well. I have an 88 rear cradle and Held tubular suspension up front with QA1 coil overs. Also, I think the 84-87 have the BEST steering feel. The 88's is too light in comparison. 87 w/88 cradle = awesome
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Old 01-25-2017, 05:42 PM   #6
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Default Re: K swap 1988 Pontiac Fiero GT

I've honestly been thinking about selling it.

Only 2 owners, myself and a friend was the original. 90k miles. The interior is showroom condition, seriously.
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Old 01-25-2017, 05:52 PM   #7
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Default Re: K swap 1988 Pontiac Fiero GT

You will miss it too much. I have owned 25 since 1993. When I don't have one, I want one. My 87 (the blue one) is the first one I ever bought. That will be my sons car someday.



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Old 01-25-2017, 05:56 PM   #8
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Default Re: K swap 1988 Pontiac Fiero GT

Youre probably right. I always regret selling a car after the fact.

Here's my 87.



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Old 01-25-2017, 06:20 PM   #9
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Default Re: K swap 1988 Pontiac Fiero GT

Very nice ride! You weren't joking, it sure is clean. Notice the difference between my lip spoiler and the stock wing?


Edit: I mean just DAMN!!! Look how good the lines look on a Fiero all these yrs later. Think about it, the newest one is nearly 30yrs old.
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Old 01-25-2017, 06:25 PM   #10
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The lines are great. It was so radical for the 80s, and you're right, it still looks great today.
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Old 01-27-2017, 07:03 PM   #11
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Default Re: K swap 1988 Pontiac Fiero GT

I picked up a complete 2008 TSX K24A2 w/ 6 speed. I called the driveshaft shop today, $850 for their level 2 axles with a 2-3 week delivery time. On it goes. I have to run my spare engine cradle to the shop on Monday, that way we can mock the drivetrain up w/o having to pull the one out of my car. Next vid once we have it mounted.

*** Looking for an RBC intake. PM me please!!! ***
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Old 01-27-2017, 07:57 PM   #12
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Default Re: K swap 1988 Pontiac Fiero GT

this is going to be dope.
edit: gave you a sub on YouTube.
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Old 01-28-2017, 02:42 PM   #13
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Default Re: K swap 1988 Pontiac Fiero GT

Thank you all for the encouragement.
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Old 02-05-2017, 03:27 PM   #14
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Default Re: K swap 1988 Pontiac Fiero GT

My RBC intake arrived today from Honda. Monday we are going to mock up the K24A2 & 6MT on my spare 88 cradle. Pics and new vid to follow.


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Old 02-09-2017, 01:13 PM   #15
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Default Re: K swap 1988 Pontiac Fiero GT

I have been working on the car a bit. Really just cleaning up the engine and ordering parts. Trying to remove bits that wont be needed, like the power steering, and assessing what needs to be serviced and or replaced.

Engine before:




Engine after:




When a GTR comes to visit



Next I am going to pull the head, make the decision if I am going to install a K20 head, install ARP headstuds and Cometic MLS head gasket.
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Old 02-21-2017, 07:31 PM   #16
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Default Re: K swap 1988 Pontiac Fiero GT

New vid is up!

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Old 02-24-2017, 06:36 AM   #17
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Default Re: K swap 1988 Pontiac Fiero GT

great stuff, didn't realize there was a big Fiero community.
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Old 02-27-2017, 08:29 PM   #18
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Default Re: K swap 1988 Pontiac Fiero GT

Oh yeah, the community is huge. The build thread for my '88 has over 80k views. They are a great bunch and help each other out quite a bit. Plus, if you want to do a swap, suspension or brakes etc, there is a kit out there to do it.
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Old 03-09-2017, 03:30 PM   #19
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Default Re: K swap 1988 Pontiac Fiero GT

Quick update.

The blue 87 GT is getting an '06 RSX-S K20Z1/6MT. My son just bought the drivetrain yesterday.


Here is some parts **** for your viewing pleasure.

I bought a clutch! CC Super single


Yanked the head to send it over to Tim's to get cleaned and tested.


Looking pretty bare!


My Honda HG and ARP headstuds arrived today.
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Old 04-07-2017, 04:53 PM   #20
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Default Re: K swap 1988 Pontiac Fiero GT

Not alot to report. Been a busy month at the shop so my project was on hold.

I finally got the head back from the machine shop. It checked out good, full valve job was also performed. We managed to install it using a OEM Honda HG and ARP headstuds. We should start mounting the drivetrain on the cradle next week. Expect a video shortly after.











I am looking for:
Sidewinder type schedule 10 turbo manifold
Swivel coolant neck
dual feed fuel rail
AEM ECU
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Old 05-02-2017, 06:25 PM   #21
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Default Re: K swap 1988 Pontiac Fiero GT

Sorry I haven't updated this in a while. I have been really busy getting parts manufactured for Fieros (parts in the pic below)! We have the engine & turbo mocked up and I dropped off a spare engine cradle so we can start mocking up the drivetrain this week.
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Old 06-09-2017, 07:24 AM   #22
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Default Re: K swap 1988 Pontiac Fiero GT

3800 Gen V on ssic.. man leave that baby in there, that thing has got to fly. what transmission is in the gt? triple edge trans..
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Old 06-18-2017, 04:54 PM   #23
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Default Re: K swap 1988 Pontiac Fiero GT

We are making progress! Hopefully the engine will be test fitted in the car tomorrow!

Make sure to check out my fb k20/24 swap page for quicker updates.

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Old 06-18-2017, 04:55 PM   #24
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Default Re: K swap 1988 Pontiac Fiero GT

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3800 Gen V on ssic.. man leave that baby in there, that thing has got to fly. what transmission is in the gt? triple edge trans..
It was ok. with the SC it was only about 300whp. When it was turbocharged it made 460/475 @ the wheels on low boost and snapped the flywheel bolts.The trans is a F23 5 speed.
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Old 06-19-2017, 03:55 AM   #25
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It was ok. with the SC it was only about 300whp. When it was turbocharged it made 460/475 @ the wheels on low boost and snapped the flywheel bolts.The trans is a F23 5 speed.
Nice yeah its hard to keep the 3800 series 2 or 3 together with it being modded, I was running in my previous project 99 gtp, XPZ cam .580 lift, yella terra valve train, bigger push rods L32 head swap, full stack intercooler, gen v swapped, on a stock trans made 385 to the wheels... So much money invested and not a lot of returns. Wasted so much money lol. It will be awesome to see it with a K-series instead of a 3800series lol. Ill post your progress on the 3800 grand prix pages I am on, it will cause a lot of butthurt for others... lol
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