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input on a ptc convertor ??

Old Dec 9, 2013 | 08:55 PM
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Default input on a ptc convertor ??

Just wondering who's running a th400 ptc convertor and how they like it ?
It seems to be the best bang for buck I can find and I can't bring myself to spend $700+ for a convertor to put behind a $400 motor with a $250 turbo.

Also does any one know who makes an affordable lock up convertor for a 4l60 for boost ? Or how bad my freeway gas mileage will get with a non lockup convertor.


any help would be appreciated, I'm just looking for some thing that works that won't cost me a fortune.
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Old Dec 9, 2013 | 09:29 PM
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I got one in my car. First build i did i kinda underestimated the power and torque it was going to make and not sure what happened on their end, but it stalled 1000-1200 rpm higher than i wanted. Ran it out that season and restalled over winter. Spot on

Rebuilt motor bottom and did a new setup. Pushed rpm band up and the converter stalled too low now due to shift in torque so i had them restall back to first spec. Its spot on exactly where i wanted it.

They are pricey but its well worth it. Drives incredibly smooth and tight off boost but really opens when required. You want a strong reliable drivetrain and it starts with a good converter. There are alot of guys on turboforum running ptc
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Old Dec 9, 2013 | 09:29 PM
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I ran a th400 with ptc's cheapest converter in my car and it worked awesome till i over powered it. Car weighed 3280 , 60 ft'd 1.27 and ran 9.2 at 149 hope this helps ya
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Old Dec 9, 2013 | 09:37 PM
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Originally Posted by catchumdaylee
Just wondering who's running a th400 ptc convertor and how they like it ?
It seems to be the best bang for buck I can find and I can't bring myself to spend $700+ for a convertor to put behind a $400 motor with a $250 turbo.

Also does any one know who makes an affordable lock up convertor for a 4l60 for boost ? Or how bad my freeway gas mileage will get with a non lockup convertor.


any help would be appreciated, I'm just looking for some thing that works that won't cost me a fortune.
I run one, It works pretty good!
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Old Dec 10, 2013 | 05:44 AM
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Best 1000 bucks I spent on my car. Spool up went from 4.8 second 0-13psi on the brake with my ATI to 1.3 with my new PTC. Not to mention awesome customer service. Give them a call
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Old Dec 10, 2013 | 09:08 AM
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Anyone know if PTC or Neal Chance is making converters for 4l80e's yet?
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Old Dec 10, 2013 | 09:27 AM
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PTC converter worked for me since 2007. I think recently it might have started slipping a little but for $400 it has done its work. It still runs low to mid tens!
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Old Dec 10, 2013 | 09:49 AM
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Depends how high you spin the engine too. The $400 10" converter will couple pretty good on the big end if you rev the motor out to 7k+. They suggest a 9.5" custom unit if your not redline is "stockish" or under. Those converters run $950 + shipping. I see around 4-5% slippage at 5800ish rpm trapping 153.
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Old Dec 10, 2013 | 01:16 PM
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not using a th400, but ive been running a 60e converters from ptc since 06 or 07. very budget friendly and havent had any problems. great customer service as well.
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Old Dec 10, 2013 | 03:28 PM
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Originally Posted by willizm
Anyone know if PTC or Neal Chance is making converters for 4l80e's yet?
PTC definitely does
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