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Old 05-16-2009, 08:44 AM
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Default 500efi upgrade kits.
Im leaning towards the atco kit. Who eles makes such a kit.
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Old 09-21-2009, 01:01 PM
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Did you install the Ateco kit?
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Old 09-21-2009, 03:20 PM
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Originally Posted by Velocity Tom
Im leaning towards the atco kit. Who eles makes such a kit.
We make a kit also. Do you want aluminum heads also ??. We also do all the ecu tuning.
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Old 09-21-2009, 04:43 PM
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Tyler can you outline your 502Mpi upgrades also?
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Old 09-21-2009, 05:49 PM
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Originally Posted by Velocity Tom
Im leaning towards the atco kit. Who eles makes such a kit.
Just throw some Whipples on it,the 500efis like it.
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Old 09-21-2009, 06:49 PM
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Thumbs up Tyler's 500 upgrade kit
Tyler just recently upgraded my HP500's and I am extremely happy with them.
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Old 09-21-2009, 07:05 PM
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Originally Posted by TylerCrockett
We make a kit also. Do you want aluminum heads also ??. We also do all the ecu tuning.
What do you have for 525EFIs?
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Old 09-22-2009, 11:19 AM
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Originally Posted by wnelles
Tyler just recently upgraded my HP500's and I am extremely happy with them.
What did you do to your 500's? Are they EFI's? What type of HP are you getting now? I've been thinking of doing mine as well, but sure what.
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Old 09-22-2009, 10:53 PM
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My 500EFI's really woke up with Whipples!
Attached Thumbnails 500efi upgrade kits.-dsc00060.jpg   500efi upgrade kits.-whipples.jpg  
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Old 09-23-2009, 08:46 AM
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Originally Posted by vettex1
What did you do to your 500's? Are they EFI's? What type of HP are you getting now? I've been thinking of doing mine as well, but sure what.
Mine are the carbed 500's. I don't have my dyno sheets with me but they were around 650 at 5800 rpm. Tyler also did a 500EFI motor for a buddy of mine and he loves it. Tyler reprogrammed his computer after all the upgrades and he says it idles nicer now than it did when it was stock.
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