Author Topic: Turbo tweak Chip ?  (Read 281 times)

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Offline rhturbo

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Turbo tweak Chip ?
« on: July 13 2019, 04:32:03 PM »
Hi everyone,
I have a 86 GN . Completely stock. Car runs mint no issues at all. This is just a Sunday driver for me. Is it worth buying a Turbo Tweak 5.7 Classic street Chip ? Will I notice any difference ?
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Offline earlbrown

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Re: Turbo tweak Chip ?
« Reply #1 on: July 13 2019, 05:12:05 PM »
If it's truly 100% stock, you've got a lot more to do on top of just a chip.
'87 GN - 4.2L SFI Turbocharged innercooled V6 - Chrome valve covers - supra pump - 14" K&N - 52mm throttlebody - rocker shaft supports -  1/2 intake spacer - TB coolant bypass - 3" ATR exhaust tip - Alum intake pipe - NOS timing cover - chip - relocated charcoal canister - CR42's - stock

Offline TexasT

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Re: Turbo tweak Chip ?
« Reply #2 on: July 13 2019, 05:12:43 PM »
This is just a Sunday driver for me. Is it worth buying a Turbo Tweak 5.7 Classic street Chip ? Will I notice any difference ?

Had to make it bigger, I'm old and couldn't read the fine print.

What chip are you running now? Does the car run well? I'm usually of the view don't fix it if it isn't broke.
Rich

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Offline Steve Wood

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Re: Turbo tweak Chip ?
« Reply #3 on: July 13 2019, 06:08:40 PM »
Yes, a TT chip is worth it.  Assuming it has an older or stock chip, the TT chip will match up with today's version of gasoline, and it will also have better drivability than the factory originals which were slanted toward trying to meet the government standards of the day.


If the car has factory original injectors, I would consider putting new ones in it as well.  There is no way, the old injectors are spraying as they once did.
Steve Wood

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Offline rhturbo

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Re: Turbo tweak Chip ?
« Reply #4 on: July 14 2019, 09:20:24 AM »
Current chip is stock. everything is original. The car only has 30k Kilometers on it. Based on Steve's reply its sounds like I should buy the chip.

Offline earlbrown

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Re: Turbo tweak Chip ?
« Reply #5 on: July 14 2019, 06:01:28 PM »
...AND a set of 60s, and a set of valve springs, and rocker buttons, and vacuum lines, and check valves, and a fuel pump, and a hot wire kit, and a timing set, do the free oil porting mods, and a new oil pickup, and a breather bypass kit....
'87 GN - 4.2L SFI Turbocharged innercooled V6 - Chrome valve covers - supra pump - 14" K&N - 52mm throttlebody - rocker shaft supports -  1/2 intake spacer - TB coolant bypass - 3" ATR exhaust tip - Alum intake pipe - NOS timing cover - chip - relocated charcoal canister - CR42's - stock

Offline earlbrown

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Re: Turbo tweak Chip ?
« Reply #6 on: July 14 2019, 06:02:09 PM »
oh, and weld up the crack in the DS header too.
'87 GN - 4.2L SFI Turbocharged innercooled V6 - Chrome valve covers - supra pump - 14" K&N - 52mm throttlebody - rocker shaft supports -  1/2 intake spacer - TB coolant bypass - 3" ATR exhaust tip - Alum intake pipe - NOS timing cover - chip - relocated charcoal canister - CR42's - stock

Offline bullnerd

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Re: Turbo tweak Chip ?
« Reply #7 on: July 14 2019, 06:39:24 PM »
"breather bypass kit...."

Where can I get more info on this?

Last time I actually worked on my T, nobody was talking about this.

Offline Steve Wood

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Re: Turbo tweak Chip ?
« Reply #8 on: July 14 2019, 06:54:18 PM »
I took it to mean that he was suggesting to remove the the connection between the end of the valve cover and the turbo inlet that tends to suck oil back into the turbo and on to throttlebody.. ..remove it and replace it with a KN filter plugged into the valve cover....cap off the turbo inlet.
Steve Wood

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Offline bullnerd

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Re: Turbo tweak Chip ?
« Reply #9 on: July 14 2019, 10:56:10 PM »
Ahhh...thank you steve.


Yes, I remember doing that along with all the "spring cleaning" suggestions when I first got my car.


I thought maybe there was a more involved "system".

Offline gusszgs

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Re: Turbo tweak Chip ?
« Reply #10 on: July 18 2019, 12:28:41 PM »
Like Steve said, install a TT chip, make sure compression is 145-150 on all six +- 5psi then install a vac gauge and make sure its pulling 15-16 of vac.
Jim
1987 T Limited