ls4 cam?
#1
ls4 cam?
i dont own a car with an ls4...but i was wondering if there is someone out there that makes a cam for you guys yet...be kinda cool to pull up next to a new monte or grand prix and hear it loping...like i said im just wondering
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#8
No if you read on the top of the forum how this motor works there was cams designed for the LS6 also specific for the DOD feature in them. I personally would not stick a ls2 or what ever cam in there, if you have the wrong cam you can say by by motor and well to replace it you are looking at $4000 us for a used one.
#10
Originally Posted by Nacho SS
Isn't our block shorter requiring different intake/exhaust positions on the cam?
#16
Originally Posted by Area47
the crank is shorter. thats it.
Well FWIW, couldn't you just switch out the lifters to Ls2 spec ones? And what is stopping us from installing a Fast 90/90?
#17
Originally Posted by Nacho SS
Yeah that's it. I couldn't remember what was shorter, crank or cam.
Well FWIW, couldn't you just switch out the lifters to Ls2 spec ones? And what is stopping us from installing a Fast 90/90?
Well FWIW, couldn't you just switch out the lifters to Ls2 spec ones? And what is stopping us from installing a Fast 90/90?
it's the cam.
you can swap the lifters out, pull all the dod crap off, shut the codes off with hpt. and have fun.
#18
Originally Posted by scarlett
The LS4 is an LS6 block sliced down by 13mm I believe with LS2 heads.
with short crank snout, the ls4 and ls6 block are 2 diff. castings.
ls4 is based on 4.8/5.3 iron block but cast in alloy with pressed in sleeves
#19
i think what u mean is the bore is 3.78 with ft pistons and 3.622 stroke
with short crank snout, the ls4 and ls6 block are 2 diff. castings.
ls4 is based on 4.8/5.3 iron block but cast in alloy with pressed in sleeves
with short crank snout, the ls4 and ls6 block are 2 diff. castings.
ls4 is based on 4.8/5.3 iron block but cast in alloy with pressed in sleeves
The 5.3L LS4 shares the basic architecture of the 6.0L LS2. This includes an all aluminum block, six-bolt main bearing caps, deep-skirt cylinders, and a structural oil pan. It has the 243 casting LS6 heads with LS1 valve springs, which are good for 6200-6300 rpms.