5.3 bored to 5.7 build
02-05-2018, 05:13 PM
#1
Teching In
Thread Starter
Join Date: Feb 2018
Posts: 28
Likes: 0
Received 0 Likes
on
0 Posts
5.3 bored to 5.7 build so I'm making a build for my yukon. Right now it has a lmg in it. I picked up a core LH6 for super cheap. So I'm going to be using the factory crank and rods and boring to 3.905. I've been looking at cams I wanted some input on my selection. Here are the specs
Cam Style:Hydraulic roller tappet
Basic Operating RPM Range:1,500-6,800
Intake Duration at 050 inch Lift:226
Exhaust Duration at 050 inch Lift:226
Duration at 050 inch Lift:226 int./226 exh.
Advertised Intake Duration:275
Advertised Exhaust Duration:275
Advertised Duration:275 int./275 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:0.598 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:0.598 in.
Valve Lift with Factory Rocker Arm Ratio:0.598 int./0.598 exh.
Lobe Separation (degrees):111
Camshaft Gear Attachment:3-bolt
Computer-Controlled Compatible:Yes
Valve Springs Required:Yes
Camshaft Manufacturers Description:5.7-6.0L engines with Cathedral port cylinder heads, greatly improved power band over stock, computer tuning required, slight choppy idle, best for stock motors with bolt on parts and tight torque converter.
Cam Style:Hydraulic roller tappet
Basic Operating RPM Range:1,500-6,800
Intake Duration at 050 inch Lift:226
Exhaust Duration at 050 inch Lift:226
Duration at 050 inch Lift:226 int./226 exh.
Advertised Intake Duration:275
Advertised Exhaust Duration:275
Advertised Duration:275 int./275 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:0.598 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:0.598 in.
Valve Lift with Factory Rocker Arm Ratio:0.598 int./0.598 exh.
Lobe Separation (degrees):111
Camshaft Gear Attachment:3-bolt
Computer-Controlled Compatible:Yes
Valve Springs Required:Yes
Camshaft Manufacturers Description:5.7-6.0L engines with Cathedral port cylinder heads, greatly improved power band over stock, computer tuning required, slight choppy idle, best for stock motors with bolt on parts and tight torque converter.
02-06-2018, 07:36 PM
#3
TECH Resident
Im doing the same build but using the Howards ASA cam. Hand ported heads(by me) with LS2 valves. It's going in my 94 SWB chevy truck. Prolly gonna need a 3000 stall converter tho...