364.5 sxe for 2001 Excursion
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Tuned
Joined: Mar 2018
Posts: 347
Likes: 3
Thanks for that. To clarify I completely understand that the larger injector cores don’t cause reliability issues, what I don’t necessarily like is how with a set of single shots you induce a weak link by making the vulnerable pcm chip vital to the truck. I have seen a lot of spontaneous failures of non oem circuit board components, being that these are unsealed and located down by your wet floor mats in a dynamic area it only increases the likelihood of a failure. My situation (4 kids-girls) and a travel trailer in the mountains, I just really want to avoid this potential if I can.
Laughing Gas
Joined: Nov 2010
Posts: 1,159
Likes: 33
From: Utah
I don't think a chip is that risky having had my hydra on for 5 years now and towing across the country a couple times and about to again. One option is to have the PCM programmed for single shots as the base tune and then you're set. That said, nothing wrong with sticking with AD's if the power they provide is adequate for you needs.
https://www.dieseltechchatt.com/
https://www.dieseltechchatt.com/
More Turbo
Joined: Feb 2018
Posts: 504
Likes: 24
From: CT
A 366 barely spools differently than a 364.5. If you use borg warners website you can see the difference between the two compressor maps. Either way you go you’ll see a difference from the stock turbo in spool up and top end power
Lead Driver
Joined: Jun 2013
Posts: 5,648
Likes: 894
From: north of Minneapolis, MN
Here is the comparison chart that will explain the differences. As to spool up, a key factor is the what AR exhaust housing you use. For the 366 and stock injectors, definitely use the .91 AR and you'll be fine. I run the 1.0 but mainly because I have larger injectors (which are no less reliable than stock) and can take advantage of the cooler EGT's with the 1.0 but still spool up better than the 38R I had. That said, the .91 AR 364.5 with the larger turbine ....7055 would be a great choice too. I don't think you can go wrong with either and the ability to easily and inexpensively swap the exhaust housing is a bonus.
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