How much does it cost to have a custom chip burned for the 3.4 TDC?

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'89 LX Coupe 5.0
In loving memory of Israel Perez 1985-2004

My cardomain!

What year?

Ben over at 60*V6 does them for 91-93 DOHC motors for about 110, and this includes his custom fuel mapping and any adjustments you want to make to rev limiters, speed limiters, or turning off some sensors and valves (EGR for example). Although it does not make too much more max power, the power drop off after 5500 is all but eliminated, and an otherwise stock motor will pull right to 6500, and hold that until 7. I forgot his store's site however.

Darth Fiero can also do them, and I heard earlier he can do 94-95s now, if not very soon. But I am unsure if he adjusts the fuel tables like Ben and if he does if his provide results better than or worse than Ben's.

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1992 Lumina Z34 5-speed For Sale, modified(high 13s), or stock
14.78 @ 92.68
1992 Lumina Z34 5-speed
Stock, takes my butt to work...Sometimes...
3.4L TDC V6, getting built to about 430hp at 8000rpm for a 88GT

Darth charged me $35 to reprogram my prom. This is for 91-93 pcms only. Worked like a charm. Edit to say he can also play with all settings. I had the rev limiter moved to 7200rpm, egr removed, and anything else that would throw a code. It was an auto prom that he programmed to work with a manual transmission. He is the man.

If you don't want to do the wiring harness, I also recomend Erik. For under $300 you can have a plug and play 3.4dohc.

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Buy a fiero, become a mechanic

[This message has been edited by crzyone (edited 01-19-2005).]

If I remember correctly the highest a DOHC chip can be burned for the rev limiter is 7150.

Somewhere around there. It can be burned to that number or comepletely removed.

Yah that's right, I remember cuz I wanted to have it set at 8100 for my new motor, but no can do.

You want the limiter set to that? Or you just want it gone.....

quote Originally posted by crzyone: If you don't want to do the wiring harness, I also recomend Erik. For under $300 you can have a plug and play 3.4dohc.

Hi all. Just browsing the archives and ran across this... I'm about to embark on this transplant, and am educating myself. I had enough problems planting the 3800 in my 85 2m6 that whenever I see plug-n-play I get goosebumps. This 92 DOHC is going into my 86 (now ex) 2m4. I know, weak 5 speed, but i have no other choice right now.

So, plug and play for under $300? Please, tell me more! (PM's are fine...)

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[red]'in horam vivere' [/red]
[blue]It's your life,[red] live it!!![/b][/red]

You wont be disapointed with Darths work. He can do all the same things Ben can. Darth did a chip for beta testing for my friend Jeff/Fieromadmans car which is using the 95 MAF setup on his TDC swap and I've driven it many times. I plan on using Darth for a chip for my own swap. Good guy to deal with too and he works with you until it's the way you want it.

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Hey I just got mine started (you can find the thread easily) I used Darth on the chip an Erik on the harnes. It started 5 min after the first try. No kidding Plug and Play all the way.

quote Originally posted by t76racer: Hey I just got mine started (you can find the thread easily) I used Darth on the chip an Erik on the harnes. It started 5 min after the first try. No kidding Plug and Play all the way.

Thanks for the input!

More and more it looks like Erik and Darth are the ones to go with for these swaps!

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quote Originally posted by AaronZ34: Thanks for the input! More and more it looks like Erik and Darth are the ones to go with for these swaps!

yep darth burned the chip to make my TGP ecm run the stock 3.4dohc - and i recently sent him someone elses BIN file that they modified to run 36# injectors on the TGP ecm for a turbo 3.4dohc.. He's modifying the bin to work in the fiero - between him and moates.net autoprom my turbo 3.4 should be up and running this month (it already runs NA with the stock injectors)

OK, so the under $300 plug and play is for real? My Fiero harness is 4 cylinder, 5 speed. If that's ok, that's good news! My business will be coming to one or both of these two this winter.

As an aside, has anyone here actually blown up an isuzu 5 speed? Archies site says no problem with mild V8's, so even though it's not the best choice for the DOHC, it'll be ok, right? I drive hard (that's not what the Fiero was originally meant for, but it's me) but I'm not stupid. No 5 grand revs and dump the clutch, ect. What kind of 'honest' top end speed can I expect from this setup? I plan on taking it to the track and giving it a real workout. (At 34, my desire to hit triple digits on the highway has severely diminished...)

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'in horam vivere'
It's your life, live it!!!

[This message has been edited by RevJim (edited 08-02-2005).]

quote Originally posted by RevJim: As an aside, has anyone here actually blown up an isuzu 5 speed? Archies site says no problem with mild V8's, so even though it's not the best choice for the DOHC, it'll be ok, right? I drive hard (that's not what the Fiero was originally meant for, but it's me) but I'm not stupid. No 5 grand revs and dump the clutch, ect. What kind of 'honest' top end speed can I expect from this setup? I plan on taking it to the track and giving it a real workout. (At 34, my desire to hit triple digits on the highway has severely diminished...)

yes - I've broken two of them with a mildly build 3.4 pushrod in the fiero

one i snapped mounting studd off the case where it mounted to the rear trans bracket, the other shredded internally

quote Originally posted by Kohburn: yes - I've broken two of them with a mildly build 3.4 pushrod in the fiero one i snapped mounting studd off the case where it mounted to the rear trans bracket, the other shredded internally

Ouch.

I'll run it now, but keep looking for a getrag in the meantime....

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'in horam vivere'
It's your life, live it!!!