Showing 25–37 of 37 results
Showing 25–37 of 37 results
Reading the cam specs in the title
Each LS camshaft title carries three sets of numbers. The first pair is intake and exhaust duration at 0.050 inch of lift, in degrees, for example 224/236. The second pair is valve lift in inches. The last figure is the lobe separation angle, or LSA. As a rule, more duration moves the power higher in the rev range, and a tighter LSA adds overlap, giving a lumpier idle and less vacuum. The turbo and supercharger grinds are built for forced induction, so do not put one in a naturally aspirated engine without advice.
What else a cam change needs
A bigger cam is rarely a cam-only job. Check that the valve springs suit the lift of the cam you choose, replace the timing set while the front of the engine is apart, and plan on an ECU tune so it idles and fuels properly. LS timing sets are split by engine in the titles, and some are adjustable so the cam can be advanced or retarded, so match the set to your engine rather than assuming they all swap. More valve gear is under cams and valvetrain and chains, gears and tensioners under timing components.
Older Holden and Ford engines
For the Holden red and blue six (179, 186 and 202) there are straight-cut and helical gear sets, and for the 253, 304, 308 and 355 V8 an adjustable double row chain set. Ford owners will find timing sets for the 289 and 302 Windsor and the 351 Cleveland, along with the drop-in turbo spring listed for the Barra. If the rest of the engine is coming apart, start with gasket sets and bearings.
Crow Cams FAQs
Do I need a tune after fitting a Crow Cams camshaft?
On a fuel-injected LS, yes. The factory calibration is built around the standard cam, and a cam with more duration and overlap changes idle, airflow and fuelling enough that the engine will run poorly without a retune. On an older carburettor engine the carburettor and ignition need setting up to suit instead.
Is a turbo cam different from a street cam?
Yes. Turbo and supercharger grinds are designed around boost in the inlet, with valve timing and overlap set differently from a naturally aspirated cam. Choose the profile for the induction you have now or are building toward, and tell us the turbo or blower if you are unsure.
How much is a Crow Cams camshaft for an LS?
It varies by grind. The Performance camshaft at 234/238 @50 for the LS1, LS2 and LS3 is $558.00, and the turbo cam at 224/236 @50 is $558.81. The listing title gives the duration, lift and lobe separation for each.
How quickly do Crow Cams parts ship?
Crow Cams parts that show as in stock and are ordered before 11am AEST on a business day are dispatched the same day. Items shown as available to order list their dispatch time on the product page.
