l59 suggestions hp inrease
Thread Starter
Teching In
Joined: Mar 2019
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l59 suggestions hp inrease Hey guys! New on the forum and im from sweden. Hopefully you will understand me anyway lol. So ive just brought home a old truck with an L59 and 4l60e with a shift kit both from a 2003 Tahoe. Wanna make somewhere around 400whp, Turbo and superchargers sadly aint allowed here =/ In sweden these motors arent that popular so im asking u guys since ur the kings of LS hehe. So like som sort of shopping list would be awesome! Thanks! /Robin
With a 5.3, 400 whp is a bunch if you want reasonable drive-ability. My thoughts for minimums (I'm sure more knowledgeable folks will chime in):
Here's a link to more thoughts: Summit Upgrading the L59
Do you need to pass emissions tests?
- a big cam with new lifters and pushrods
- big heads (243's) that have been CNC'd with valve job.. good rockers, good springs, new trunnions
- take it up to 3.89 bore... or start with a higher cube block (5.3, 5.7, 6.0, 6.2 all have progressively larger bores with the same stroke)
- more compression: deck the heads or grab some 4.8 pistons
- get a good intake, injectors, fuel rail and larger throttle body, cold air intake
- long tube headers and free flowing exhaust
Here's a link to more thoughts: Summit Upgrading the L59
Do you need to pass emissions tests?
Thread Starter
Teching In
Joined: Mar 2019
Posts: 46
Likes: 0
Been searching the web and what I can understand it should be something like. cam, long tubes, intake, heads and a hp tuner? if im completely wrong pls tell haha.
How is this cam package in your opinions ? http://bdturnkeyengines.com/53l-ss-cam-option
Would love some info on what intake and heads I should be running.
How is this cam package in your opinions ? http://bdturnkeyengines.com/53l-ss-cam-option
Would love some info on what intake and heads I should be running.
Thread Starter
Teching In
Joined: Mar 2019
Posts: 46
Likes: 0
With a 5.3, 400 whp is a bunch if you want reasonable drive-ability. My thoughts for minimums (I'm sure more knowledgeable folks will chime in):
Here's a link to more thoughts: Summit Upgrading the L59
Do you need to pass emissions tests?
- a big cam with new lifters and pushrods
- big heads (243's) that have been CNC'd with valve job.. good rockers, good springs, new trunnions
- take it up to 3.89 bore... or start with a higher cube block (5.3, 5.7, 6.0, 6.2 all have progressively larger bores with the same stroke)
- more compression: deck the heads or grab some 4.8 pistons
- get a good intake, injectors, fuel rail and larger throttle body, cold air intake
- long tube headers and free flowing exhaust
Here's a link to more thoughts: Summit Upgrading the L59
Do you need to pass emissions tests?
Thanks man. Need to keep this on a fairly tight budget so the 400whp might be a long shot lol.
Thread Starter
Teching In
Joined: Mar 2019
Posts: 46
Likes: 0
Ok guys. sorry but we kinda need to start over haha! Since like I said I need to keep the budget down. what should be my priorities on buying / installing? Say I wanna spend 2-2,5k give or take. Cam and a professional tune with hp tuner. Whats next? Wanna get the most bang for bucks
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