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Offline larrym

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TR6 problems
« on: August 21 2018, 03:03:13 PM »
It was eating coils and now it won’t spin past 4000 rpm. So I’m still having issues but think I found the problem. I sent the box to Bob he figures it’s repairable.
My question is this appears to be a voltage problem my logs show 13 to 14.5 volts.
The power source for the module is a separate panel hot wired to the alternator I’m borrowing a stock module and coil should I wire a ballast resistor in line to be safe?


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86 white T type with t tops and blackout trim. 60lb injectors Gen 2 with Extender Chip TR6 ignition 212/206 roller cam Turbonetics BB CPT 61 CAS V4 Intercooler Cobbled together Alky Injection 4 inch MAF pipe with integral sensor
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Offline Steve Wood

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Re: TR6 problems
« Reply #1 on: August 21 2018, 03:06:17 PM »
Don't understand why.  It should handle 14.5 v with no problem at all as that is within the normal range.
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Steve Wood

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Offline larrym

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TR6 problems
« Reply #2 on: August 21 2018, 03:49:31 PM »
Hmm according to Bob that is the power to the coils just thought might be to much voltage.
I have checked all the coils and wires to the coils everything looks good.
The only thing I have changed is the power source to the module.


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86 white T type with t tops and blackout trim. 60lb injectors Gen 2 with Extender Chip TR6 ignition 212/206 roller cam Turbonetics BB CPT 61 CAS V4 Intercooler Cobbled together Alky Injection 4 inch MAF pipe with integral sensor
2800 stall lots of fun with a little 6 banger!
Best ET 11.36

Offline Steve Wood

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Re: TR6 problems
« Reply #3 on: August 21 2018, 03:56:14 PM »
Brad would run a volt booster and go for 15.5 v.

I see some are having problems with moisture getting into the TR6 due to a faulty o-ring seal.
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Steve Wood

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Offline larrym

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TR6 problems
« Reply #4 on: August 21 2018, 04:07:00 PM »
Well that could be the problem looked dry inside but who knows


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86 white T type with t tops and blackout trim. 60lb injectors Gen 2 with Extender Chip TR6 ignition 212/206 roller cam Turbonetics BB CPT 61 CAS V4 Intercooler Cobbled together Alky Injection 4 inch MAF pipe with integral sensor
2800 stall lots of fun with a little 6 banger!
Best ET 11.36

Offline Steve Wood

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Re: TR6 problems
« Reply #5 on: August 21 2018, 04:30:10 PM »
burning up coils followed by no start is one of the symptons
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Steve Wood

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Offline larrym

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TR6 problems
« Reply #6 on: August 21 2018, 04:41:11 PM »
Well I never had a nonstart but replaced 3 LS coils ...


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86 white T type with t tops and blackout trim. 60lb injectors Gen 2 with Extender Chip TR6 ignition 212/206 roller cam Turbonetics BB CPT 61 CAS V4 Intercooler Cobbled together Alky Injection 4 inch MAF pipe with integral sensor
2800 stall lots of fun with a little 6 banger!
Best ET 11.36

Offline good2win22

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Re: TR6 problems
« Reply #7 on: August 21 2018, 08:07:04 PM »
Hey Larry,  How did it act at 4000 rpm?  did it just stop and hang there or did it advance in rpm slowly?
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Offline larrym

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TR6 problems
« Reply #8 on: August 21 2018, 10:01:08 PM »
Would misfire and fall on it’s face.


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86 white T type with t tops and blackout trim. 60lb injectors Gen 2 with Extender Chip TR6 ignition 212/206 roller cam Turbonetics BB CPT 61 CAS V4 Intercooler Cobbled together Alky Injection 4 inch MAF pipe with integral sensor
2800 stall lots of fun with a little 6 banger!
Best ET 11.36

Offline Grumpy

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Re: TR6 problems
« Reply #9 on: August 23 2018, 06:14:53 AM »
Quote from: Steve Wood on August 21 2018, 03:06:17 PM
Don't understand why.  It should handle 14.5 v with no problem at all as that is within the normal range.
ya they do.  :cool; They are pretty dependable !
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Offline good2win22

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Re: TR6 problems
« Reply #10 on: August 23 2018, 08:27:06 AM »
You might ask Bob to change the dwell on the coils. I bet he has it set at .5 ms. Been reading and hearing lots of folks burning up the LS coils with anything above .45 ms
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Offline Steve Wood

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Re: TR6 problems
« Reply #11 on: August 23 2018, 09:21:20 AM »
Is there another type of coil being used as well?  Somewhere in the back of my mind, I keep thinking I have heard of a problem with the LS coils....but it rained here and my imagination is fertile.
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Offline larrym

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TR6 problems
« Reply #12 on: August 23 2018, 06:42:17 PM »
Bob will look it over and has sent me a file to update the dwell to hopefully eliminate my issue
 


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86 white T type with t tops and blackout trim. 60lb injectors Gen 2 with Extender Chip TR6 ignition 212/206 roller cam Turbonetics BB CPT 61 CAS V4 Intercooler Cobbled together Alky Injection 4 inch MAF pipe with integral sensor
2800 stall lots of fun with a little 6 banger!
Best ET 11.36

Offline larrym

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Re: TR6 problems
« Reply #13 on: August 26 2018, 12:48:59 PM »
Well I took my car to a little test and tune with a borrowed module and coil, made a couple decent licks but when I left hard it fell on its face.
Today I went of the car and think I may have found the problem, i have a cable from the battery to the engine block, it was loose.....
this would explain a lot of my issues I think eating coils and a scorched module.
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86 white T type with t tops and blackout trim. 60lb injectors Gen 2 with Extender Chip TR6 ignition 212/206 roller cam Turbonetics BB CPT 61 CAS V4 Intercooler Cobbled together Alky Injection 4 inch MAF pipe with integral sensor
2800 stall lots of fun with a little 6 banger!
Best ET 11.36

Offline Steve Wood

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Re: TR6 problems
« Reply #14 on: August 26 2018, 01:16:11 PM »
yep, it will increase the current draw on the ground paths
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Steve Wood

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A lot of broken parts does not make you a racer; it makes you a slow learner.
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