cams
#1
08-08-2006 | 08:08 PM
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has no legs
Joined: Apr 2006
Posts: 472
cams
i wanted help about cams themselves not how to install them. im lookin at supercharger cams so i can leave the option of supercharging open and im not sure what VT cams are for. also there are different sizes or soemthign to choose from i dont know what the numbers mean.
#2
08-08-2006 | 09:51 PM
Senior Member
Joined: Jul 2005
Posts: 5,796
From: Downingtown/West Chester, PA
VT is the company that makes the cams...as is Comp Cams...its the company
you can get different grind cames for different applications....there are turbo cams, supercharger cams, and N/A cams...all come w/ different stages...most recomend the stage 2's from VT and Comp Cams 262 cams for DD cars
there is also the option of getting custom grind cam from ModularPowerHouse.com from Tim Barth (the owner)
the different stages/number are the different size cams they offer...like from stage 1 to stage 2 for VT cams and the 262 to 270+ for comp cams...
if u go w/ the stage 2 or 262 (or beyond) you WILL need to get a tune and different gear (3.55+ usually) and/or stall (if u have an auto)...the reason for the gears is because u lose your low end power w/ bigger cams
if u have anymore questions..just post..
you can get different grind cames for different applications....there are turbo cams, supercharger cams, and N/A cams...all come w/ different stages...most recomend the stage 2's from VT and Comp Cams 262 cams for DD cars
there is also the option of getting custom grind cam from ModularPowerHouse.com from Tim Barth (the owner)
the different stages/number are the different size cams they offer...like from stage 1 to stage 2 for VT cams and the 262 to 270+ for comp cams...
if u go w/ the stage 2 or 262 (or beyond) you WILL need to get a tune and different gear (3.55+ usually) and/or stall (if u have an auto)...the reason for the gears is because u lose your low end power w/ bigger cams
if u have anymore questions..just post..
#8
08-09-2006 | 10:20 AM
Wowbagger hates me too!
Joined: Nov 2005
Posts: 9,865
From: Magrathea/California
like blownstang has just shown us, the stage has little to do with the actual grind and more to do with how aggressive the grind actually is.
A blower cam has less valve overlap so you don't bleed boost into the exhaust while both valves are open. Hot NA cams usually will have (like the VT's) more overlap to aid in scavenging. Both will have variations in lift and duration as appropriate to the use.
A stage 2 blower cam (what an arbitrary value... stage X hahahahaha) will be a little hotter than a stage 1 blower cam and totally different than a stage 2 NA cam.
I'd highly recommend the following link to anyone that doesn't know much about cams. It'll tell you most of what you really need to know to be conversant:
Linky
A blower cam has less valve overlap so you don't bleed boost into the exhaust while both valves are open. Hot NA cams usually will have (like the VT's) more overlap to aid in scavenging. Both will have variations in lift and duration as appropriate to the use.
A stage 2 blower cam (what an arbitrary value... stage X hahahahaha) will be a little hotter than a stage 1 blower cam and totally different than a stage 2 NA cam.
I'd highly recommend the following link to anyone that doesn't know much about cams. It'll tell you most of what you really need to know to be conversant:
Linky
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