Budget LQ4 Cam
Thread Starter
Staging Lane
Joined: Oct 2009
Posts: 97
Likes: 0
From: Frederick, Maryland
Budget LQ4 Cam I'm building a iron 6.0L .030 over (4.030 Bore) and I'm looking for some input on what cam to use.
My goals are to break the mid 400WHP mark and hopefully approach the 500WHP mark in a 3,000lb mini truck with a manual trans. I'm shooting for aprox 11:1 compression, with foraged pistons, stock LS1 rods and 317 or 243 heads.
What cams should I be looking at?
My driveability goals may seem a little odd, I don't want a 1/4 mile monster, and I also don't need a daily driver. I'd like to spin the engine hard on open road courses.
My goals are to break the mid 400WHP mark and hopefully approach the 500WHP mark in a 3,000lb mini truck with a manual trans. I'm shooting for aprox 11:1 compression, with foraged pistons, stock LS1 rods and 317 or 243 heads.
What cams should I be looking at?
My driveability goals may seem a little odd, I don't want a 1/4 mile monster, and I also don't need a daily driver. I'd like to spin the engine hard on open road courses.
Thread Starter
Staging Lane
Joined: Oct 2009
Posts: 97
Likes: 0
From: Frederick, Maryland
Well it's mostly a hot rod for the streets? cruises, and power tours, but I'd like to to be fast as well. I didn't realize RPM was a taget to shoot for, but I'd like to keep some reliability as well. I don't see myself wanting to go past 7000RPM on a regular basis.
Oh and I'm going to be using the GMPP 4-barrel intake anf a 750cfm carb.
Oh and I'm going to be using the GMPP 4-barrel intake anf a 750cfm carb.
TECH Senior Member
Joined: Mar 2004
Posts: 14,620
Likes: 17
From: BFE
You would be better of looking at L92/LS3 heads for the power levels you are seeking. 450>500rwhp will require to move some air and those heads can do it fairly easy at a good price.
Once you choose the heads, then you choose a cam.
Once you choose the heads, then you choose a cam.
Thread Starter
Staging Lane
Joined: Oct 2009
Posts: 97
Likes: 0
From: Frederick, Maryland
I had completely forgotten about the L92 heads. Most likley I'll use a new pair of as cast L92's from GMPP
So lets say I use a 4.030 bore iron block W/ GM L92 heads, GM (LS3) 4bbl intake and inexpensive long tubes. what should I be looking for in a cam?
So lets say I use a 4.030 bore iron block W/ GM L92 heads, GM (LS3) 4bbl intake and inexpensive long tubes. what should I be looking for in a cam?
Thread Starter
Staging Lane
Joined: Oct 2009
Posts: 97
Likes: 0
From: Frederick, Maryland
I just found an article from hot rod mag where they tested 5 cams on a stock LQ9 bottom end with the new LS3 heads, and even with what they consider to be a streetable cam they where in the 500-520HP range on the engine dyno with a carb. I think I'll basically copy their build and shoot for about 520 on the engine dyno.
here is the link to that article
http://www.hotrod.com/techarticles/e...est/index.html
here is the link to that article
http://www.hotrod.com/techarticles/e...est/index.html
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We have fully assembled L92 heads for $500. We could also combine it with a LS3/l92 spec'd camshaft to complete the package for you!!
__________________
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Co-Owner, Texas Speed & Performance, Ltd.
2005 Twin Turbo C6
404cid Stroker, 67mm Twins
994rwhp/902lb ft @ 22 psi (mustang dyno) www.Texas-Speed.com
Jason
Co-Owner, Texas Speed & Performance, Ltd.
2005 Twin Turbo C6
404cid Stroker, 67mm Twins
994rwhp/902lb ft @ 22 psi (mustang dyno) www.Texas-Speed.com
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Staging Lane
Joined: May 2009
Posts: 76
Likes: 0
From: Waco,Tx
