88 formula 3.4L 4t60 swap started

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88 formula 3.4L 4t60 swap started by hercimer01

Started on	: 05-14-2008 03:50 AM
Replies	: 49
Last post by	: hercimer01 on 04-07-2012 08:37 PM

hercimer01
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Report this Post05-22-2009 01:42 PM

SUCSESS FINALLY!!!!!!!!!! I Put in a shift kit also while I had it out. Tall firm gears, feels strong, Still have to adjust shift points, It goes into red line when floored. Or is that normal?

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hercimer01
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Report this Post05-29-2009 12:49 AM

The hype of how hard it was before i started was actually worse than the project itself.
The tranny mounts were easy, the hardest part was finding 4t60 brakets for the front and rear. West Coast poly mounts are sweet. I used my old kick down cable with no problems. Some custom brackets that The LasVegas Fiero Club let me fab onsite. Other wise It was an enjoyable project. P.S. MAKE SURE YOU HAVE A GOOD TRANNY TO START WITH. Third time was a charm for me.

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hercimer01
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Report this Post01-08-2010 11:10 AM

I bought a 1998 Pontiac GTP. This set up is for sale as of 01/08/10. Super Charge it.

Edit: I'm keeping the formula the way it is. I bought an 86 GT and i'm putting the 3800 in it.
https://www.fiero.nl/forum/Forum2/HTML/116055.html

[This message has been edited by hercimer01 (edited 07-12-2011).]

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hercimer01
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Report this Post03-28-2011 01:14 AM

I rebuilt my calipers this weekend heres some pics, and yes the rears can be done you just have to be careful.
Notice I did the front ball joints too last summer.

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hercimer01
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Report this Post03-28-2011 02:09 AM

88 Dorman P/N D352047 whole kit, hard to find. caliper piston bore is 1 57/64" Front and Rear. -
88 Dorman P/N D352046 piston seals only. Front and Rear.
84-87 Dorman P/N D351576 whole kit. caliper piston bore is 1 56/64" or 1 7/8" Rear.
84-87 Dorman P/N D351076 piston seals only. caliper piston bore is 1 15/16 Front.
Discard the piston seals from the D351576 kit and you have an 88 caliper rebuild kit for all 4 calipers.

Cheapest route to go is (4) D352046 piston seals only, and (4) P/N D351576 whole kit. Total about 36.00 plus shipping about 9.00.
Rock auto prices, I found this discount after i bought the parts, https://www.fiero.nl/forum/Forum1/HTML/084008.html

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hercimer01
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Report this Post07-12-2011 01:57 AM

Its been around 3 and a half months of daily driving and the brakes are better than ever! The brakes were a little soft after I was done. But then I discovered that if you reset the parking brakes it will adjust the brake calipers so the piston doesn't have so far to travel when initiated.

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hercimer01
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Report this Post12-24-2011 04:17 PM

quote

Originally posted by carbon:

What was done, if anything, to the cradle to mount that 4 spd? I heard that the 88 was a little more work than the earlier ones...

The one under the Motor is stock and the forward one is positioned in its stock location and the rear one was just match drilled for the mounting holes (1/2") to the passenger side with a little clearance grinding too. Nothing major.

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hercimer01
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Report this Post04-07-2012 06:57 PM

Niterrorz bought the car. It now has a new home.

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Report this Post04-07-2012 08:05 PM

i have 4 fieros now 2 of which run on the street and one 4.9 that is being a whore and runs but isnt street worthy and another gt that was a project car that is in the process of being sold to my friend.... i swear we need to have a support group for people like me.

hi my names brad and i have a fiero buying problem. if there is an ordinace passed about how many cars you can own or have in your driveway in my town im screwed.....

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hercimer01
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Report this Post04-07-2012 08:37 PM

I know how you feel, I'm actually going through withdrawals right now from the car.

Congratulations I hope is in order. We're allowed 4 cars here in Rockford.

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