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-   General Boating Discussion (https://www.offshoreonly.com/forums/general-boating-discussion-51/)
-   -   500efi upgrade kits. (https://www.offshoreonly.com/forums/general-boating-discussion/208937-500efi-upgrade-kits.html)

Velocity Tom 05-16-2009 08:44 AM
500efi upgrade kits.
 
Im leaning towards the atco kit. Who eles makes such a kit.

Advantage 09-21-2009 01:01 PM
Did you install the Ateco kit?

TylerCrockett 09-21-2009 03:20 PM
Originally Posted by Velocity Tom (Post 2867150)
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.

freshwaterfiend 09-21-2009 04:43 PM
Tyler can you outline your 502Mpi upgrades also?

Strip Poker 388 09-21-2009 05:49 PM
Originally Posted by Velocity Tom (Post 2867150)
Im leaning towards the atco kit. Who eles makes such a kit.
Just throw some Whipples on it,the 500efis like it.

wnelles 09-21-2009 06:49 PM
Tyler's 500 upgrade kit
 
Tyler just recently upgraded my HP500's and I am extremely happy with them.

26awesome 09-21-2009 07:05 PM
Originally Posted by TylerCrockett (Post 2957396)
We make a kit also. Do you want aluminum heads also ??. We also do all the ecu tuning.
What do you have for 525EFIs?

vettex1 09-22-2009 11:19 AM
Originally Posted by wnelles (Post 2957551)
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.

mrpickett357 09-22-2009 10:53 PM
2 Attachment(s)
My 500EFI's really woke up with Whipples!

wnelles 09-23-2009 08:46 AM
Originally Posted by vettex1 (Post 2958000)
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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