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Message: [QUOTE="mikeeg02, post: 1488348, member: 24194"] Both had ge@rhead. I had both stock Injectors and 238/100 hybrids with this 38r. I got my best fuel mileage with stock Injectors and the 38r. Squeezed out 18.5 mpg once. Best with hybrids was 16 once. 15.5 avg. With hybrids and sxe I average 16-16.5. My old truck was heavy. ~9k on average. And I drove it for about 200k after i put in a set of 175/146s and a 38r. It was a good running truck, but an auto. This manual truck didnt much care for the 38r. No tuning revisions on my daily file (#5) between turbos. My all out file got fixed, it had some excessive pulsewidth issues that needed dialed in. I didn't realize it until some time after the swap. [/QUOTE]

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