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Old 10-16-2018, 05:41 PM   #13
72MARIO
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Join Date: Nov 2000
Location: Huntsville Ontario Canada
Posts: 4,052
Re: Building a 5.3 looking for horsepower

Quote:
Originally Posted by OutlawDrifter View Post

What size of tire are you running with your 3.73 gears?
For daily use i would be chosing a very mild cam and focus more on gear ratio and proper final.drive ratio for performance. The diffirence i feel between my 2 swap is amazing and it only because the faster one runs 250rpm higher on the hwy. My 6.0 with 3:73 and 32" tire is sluggish all around till 120 km
I would aim for 2200 plus at 100 km.
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1968 Suburban numbers matching all original truck now equipped with 6.0/4L80 on Accuair
http://67-72chevytrucks.com/vboard/s...d.php?t=625017
1967 C/20 6.0/4L80 Roofing Truck
1990 V2500 Suburban "Plow Truck"
2005 TAHOE DD
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