Three Cams -- Pick One -- and Why?
12-05-2007, 04:40 PM
#11
2nd Gear Member
Join Date: Jan 2007
Location: doylestown, pa
Posts: 386
RE: Three Cams -- Pick One -- and Why?
man, after looking at the spec again I have to say the comp cams are STRANGE. All of them have a higher LSA than the blower spec VT stuff... which is very strange. You want more LSA with a n/a cam than what they are grinding.. at least that is what traditional thinking says.
Still, you would not want to specifically run one of these cams in a blower car. They still have too much intake vs exhaust duration for a blower setup... generally you want less intake duration than exhaust by a signficant portion on a blower cam, because the blower will fill the cyl much more quickly than a n/a car can, but still needs help on the exhaust (more so since the overlap via LSA is less).
Still, you would not want to specifically run one of these cams in a blower car. They still have too much intake vs exhaust duration for a blower setup... generally you want less intake duration than exhaust by a signficant portion on a blower cam, because the blower will fill the cyl much more quickly than a n/a car can, but still needs help on the exhaust (more so since the overlap via LSA is less).
1.) valve overlap is no good because you will blow some forced air out the exhaust valve
2.) You want to leave the Intake valve open slightly into the compression stroke because the air has LOTS of momentum from the blower and this will cause a "compacting" effect in the cylinder when it is going up which is good.
12-05-2007, 04:46 PM
#12
3rd Gear Member
Join Date: Sep 2007
Location: MO
Posts: 643
RE: Three Cams -- Pick One -- and Why?
http://www.musclemustangfastfords.co...ats/index.html
they used comp cams and made good power.How much more could you expect from a blower cam.
they used comp cams and made good power.How much more could you expect from a blower cam.
12-05-2007, 09:12 PM
#13
2nd Gear Member
Thread Starter
Join Date: Dec 2006
Location:
Posts: 300
RE: Three Cams -- Pick One -- and Why?
ORIGINAL: 2000GT4.6
man, after looking at the spec again I have to say the comp cams are STRANGE. All of them have a higher LSA than the blower spec VT stuff... which is very strange. You want more LSA with a n/a cam than what they are grinding.. at least that is what traditional thinking says.
Still, you would not want to specifically run one of these cams in a blower car. They still have too much intake vs exhaust duration for a blower setup... generally you want less intake duration than exhaust by a signficant portion on a blower cam, because the blower will fill the cyl much more quickly than a n/a car can, but still needs help on the exhaust (more so since the overlap via LSA is less).
man, after looking at the spec again I have to say the comp cams are STRANGE. All of them have a higher LSA than the blower spec VT stuff... which is very strange. You want more LSA with a n/a cam than what they are grinding.. at least that is what traditional thinking says.
Still, you would not want to specifically run one of these cams in a blower car. They still have too much intake vs exhaust duration for a blower setup... generally you want less intake duration than exhaust by a signficant portion on a blower cam, because the blower will fill the cyl much more quickly than a n/a car can, but still needs help on the exhaust (more so since the overlap via LSA is less).
12-05-2007, 09:24 PM
#14
2nd Gear Member
Thread Starter
Join Date: Dec 2006
Location:
Posts: 300
RE: Three Cams -- Pick One -- and Why?
ORIGINAL: Nitti00GT
You have a supercharger it says right? Get stage 2 blower cams. If you get an N/A cam you will loose boost even though there are people with N/A cams running FI on here. The Comp XE262AH (226/230 @.050")cam is the one going in my car on an N/A setup.
You have a supercharger it says right? Get stage 2 blower cams. If you get an N/A cam you will loose boost even though there are people with N/A cams running FI on here. The Comp XE262AH (226/230 @.050")cam is the one going in my car on an N/A setup.
Thread
Thread Starter
Forum
Replies
Last Post
KingRando
2005-2014 Mustangs
5
10-02-2015 08:06 AM
