C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

86 Hypertech Bin

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Old Jul 2, 2007 | 09:11 AM
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Default 86 Hypertech Bin

I copied the bin from my 86 Hypertech chip. If anyone wants to see what changes are made in exchange for you hard earned dollars, I'll send you a copy.
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Old Jul 2, 2007 | 09:37 AM
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Originally Posted by AGENT 86
I copied the bin from my 86 Hypertech chip. If anyone wants to see what changes are made in exchange for you hard earned dollars, I'll send you a copy.
What are the changes anyways?
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Old Jul 2, 2007 | 12:30 PM
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This I have to see! Please send me a copy
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Old Jul 2, 2007 | 12:41 PM
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Bud, send me a copy and i'll compare to PCMforless chip bin and stock 87 bin...
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Old Jul 2, 2007 | 03:12 PM
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This might be easier
http://members.shaw.ca/agent86/Hypertech.bin
Here is the XDF file http://members.shaw.ca/agent86/32_4%2b3.xdf

Last edited by AGENT 86; Jul 2, 2007 at 06:13 PM.
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Old Jul 2, 2007 | 04:09 PM
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Yeah I would like to know!
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Old Jul 2, 2007 | 05:37 PM
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Can you explain what is different in layman's terms?
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Old Jul 2, 2007 | 05:47 PM
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Originally Posted by AGENT 86
Didn't work. Can you explain the differences please!
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Old Jul 2, 2007 | 06:12 PM
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Originally Posted by 88BlackZ-51
Didn't work. Can you explain the differences please!
It's a binary file, you need to save it and open with Tunerpro so you can compare or see the values. You also need the XDF file to translate it.
Here is the XDF http://members.shaw.ca/agent86/32_4%2b3.xdf
I only took a quick look, but all I saw was a little change to the timing table and lowered fan temps.
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Old Jul 3, 2007 | 12:37 AM
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I'll do a compare tomorrow and get back to ya...
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Old Jul 3, 2007 | 01:58 AM
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I've compared my stock 85 bin to the 85 Hypertech bin. Two differences I could tell:

1- The Hypertech TPS signal to WOT was much SOONER then stock.
2- Fan came on at 170*.
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Old Jul 3, 2007 | 02:10 AM
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Originally Posted by GRX
2- Fan came on at 170*.
Very important to have that fan running when there's no coolant flowing through the radiator.
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Old Jul 3, 2007 | 06:45 AM
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The '85 hypertec chip I have does only three things differently than the factory chip: 1. Fan on at 170° (this was the "Thermomaster" chip if I remember correctly, Something like that anyhow), 2. TCC lockup speeds (mph) delayed a bit, and 3. WOT threshold TPS positions (the table is "TPS threshold vs. RPM to enable WOT") moved up so that it goes into WOT a bit earlier.

Thats it - no changes to anything else at all. Very nearly worthless - certainly nothing there to make it actually Run any differently... I think they must have been afraid to mess with the timing or fuel stuff at all
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Old Jul 3, 2007 | 09:00 AM
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There are a bunch of changes on my 86 Hypertech chip, not experienced enough to know what significance they have on performance.

coolant threshold for lock up enable
forced upshift mph
fan on
fan off
min diff tps for pe
rev limit-stop fuel
rev limit-start fuel
spark advance table
maximum knock retard in pe
crank fuel pw vs coolant temp
inj offset vs batt volts
open loop afr% change vs load
power enrichment vs temp
power enrichment afr% change vs rpm
idle rpm vs coolant temp
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Old Jul 3, 2007 | 01:39 PM
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Yes actually mine was the Thermomaster chip, but for a 4 speed....for use with the 170 thermostat.
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