so let me see if i understand this...

nba1341 · May 27th, 2007, 09:18 PM

these new engines now-a-days have 2 cam shafts?

wtf.......

HMUSN · May 27th, 2007, 09:19 PM

yup.

07 Grabber GT · May 27th, 2007, 09:30 PM

Along with 8 coils and 8 injectors. In order to make room they did away with the distributor and carburator. I had a 66 FB and was tired of tuning every Monday and Thursday to drive Fri thru Sun ... not to mention the burned valves and weak rings.

Now say it with me ... WTF

GTsetGO · May 27th, 2007, 10:36 PM

some of them actually have 4

Modern_Muscle · May 27th, 2007, 11:01 PM

03 04 cobras and machs have 4 cams...lsx has 1, 2 & 3v modulars have 2, 4vs have 4...

RStrick0352 · May 28th, 2007, 12:37 PM

Not to sound condescending, but do you no know the difference between an OHV overhead valve (the cam being in the block, above the crank actuating pushrods that actuate the rocker arms that actuate the valves), and an SOHC single overhead cam (one cam in each head actuating the cams, and DOHC dual or double overhead cam (2 cams in each head vice on, typically with a high valve per cylinder count). AND there are even "hybrids" where a SOHC will still have the cam in the block actuating either the intake or exhaust valves just like an OHV engine but still have overhead cams doin the other valves. There are even more variations on engine designs those are just the most common.

cams-shelbycobra07 · May 28th, 2007, 04:42 PM

Originally Posted by Modern_Muscle

03 04 cobras and machs have 4 cams...lsx has 1, 2 & 3v modulars have 2, 4vs have 4...

do you relize what you just said.
First off the mods are a Single over head cam and the 2,3,4 are the numbers of of valves per a cylinder not cams

RStrick0352 · May 28th, 2007, 04:47 PM

He was correct he just worded it a little ambiguously.

cams-shelbycobra07 · May 28th, 2007, 04:57 PM

cars dont have 4 cams 4valves yes but theres only one cam in the cobra and if im wrong then its 2

cams-shelbycobra07 · May 28th, 2007, 04:58 PM

o well everyone makes mistakes

RStrick0352 · May 28th, 2007, 05:04 PM

you are wrong, the cobra has 4 cams, 2 in each head. One cam operates the 2 intake valves in each cylinder and the other cam operates the 2 exhaust valves in each cylinder. Hence the Dual Over Head Cam, 4 total. Thats not all that crazy either, there is and Opel that has 6 valve per cylinder, and some other car whose manufacturer I cant remeber now has quadruple over head cams, thats right 4 cams per head 8 total in the car. Now thats amazing, imagine the size and complexity of that engine.

cams-shelbycobra07 · May 28th, 2007, 05:06 PM

Double overhead cams, four valves per cyclinder, 4.6 L / 280cid, 90° V-8, cast iron block, aluminum heads, forged crankshaft
Bore x stroke: 90.2 x 90.0mm
Compression ratio: 8.5:1
Horsepower: 390 hp @ 6,000 RPM (85 Hp per liter)
Torque: 390 lb./ft. @ 3,500 RPM
Fuel Delivery: Sequential electronic fuel injection

Induction: Eaton Generation IV Roots-type supercharger/water-to-air intercooler with boost pressure @ 8.0 PSI, Aluminum intake manifold / tuned equal length runners, 57mm twin bore throttle body, 90mm mass-air sensor

Ignition: Distributorless coil-on-plug

cams-shelbycobra07 · May 28th, 2007, 05:07 PM

thats on 03 cobra need anymore proof

cams-shelbycobra07 · May 28th, 2007, 05:10 PM

http://auto.howstuffworks.com/camshaft.htm
go to this website and read then youll understand

RStrick0352 · May 28th, 2007, 05:10 PM

OK, well that thread you posted only makes what I just said sound correct. What is it your confused about, I thought I explained myself pretty clearly. Just tell me and I'll try better to explain it.

RStrick0352 · May 28th, 2007, 05:12 PM

I know exactly how they work, I wouldnt have went into so much detail if they didnt. Thats just a generic picture and explanation. Good grief man I'm just trying to help you out.

HMUSN · May 28th, 2007, 05:31 PM

it's simple.

a Terminator.

4 cams total.

2 in each head

4 valves per cylinder.

8 cylinders.

which equals 32valve DOHC v8

cams-shelbycobra07 · May 28th, 2007, 05:33 PM

the way im understanding you you were saying for 4cams there is
DOHC meaning 2cams
And SOHC meaing a single cam
IM sure we both understand just not each other

HMUSN · May 28th, 2007, 05:36 PM

it's either a single cam per head or 2 cams per head.

(red lines represent camshafts)

cams-shelbycobra07 · May 28th, 2007, 05:36 PM

Ok never mind

May 27th, 2007, 09:18 PM	#1
nba1341 Banned 1965 Mustang Fastback Join Date: Apr 2007 Location: Los Angeles, Cal Posts: 24,982 Posts: 2,194 iTrader: 0 reviews	so let me see if i understand this... these new engines now-a-days have 2 cam shafts? wtf....... __________________ I'm a good boy now. [COLOR=red][B]slow car club - crew member 7 of 9 [COLOR=White]Mood: Cool :cool: [/COLOR][/B] [/COLOR]

May 27th, 2007, 09:19 PM	#2
HMUSN Doc 1986 SVO 48.47@ 12.58 Join Date: Nov 2006 Posts: 37,044 iTrader: 10 reviews	yup. __________________

May 27th, 2007, 10:36 PM	#4
GTsetGO Cigar Assassin 2004 Mustang GT 12.88 @ 112 Join Date: Aug 2005 Location: A Galaxy Far, Far Away Posts: 14,080 iTrader: 10 reviews	some of them actually have 4 __________________ Cigar Samplers for Sale 2008 Acura TL-S - 2008 Honda Pilot EX-SE

May 27th, 2007, 11:01 PM	#5
Modern_Muscle Hardcore Enthusiast Join Date: Jan 2007 Location: Texas Posts: 1,347 iTrader: 1 reviews	03 04 cobras and machs have 4 cams...lsx has 1, 2 & 3v modulars have 2, 4vs have 4... __________________ 1998 Trans Am WS6. (Anti Venom) Forged 347, stage 3 T56, and a 76mm Turbo... 659rwhp @ 13.5# ~725rwhp @ 15.5# Meth, C16, and 20psi coming soon 03 Z71 (H/C/I/E/T)...sold 2005 GT, Full Bolt-Ons...12's... GONE

May 28th, 2007, 12:37 PM	#6
RStrick0352 Enthusiast 2007 Mustang GT 11.40 @ 121 mph Join Date: Apr 2007 Location: Jacksonville, NC Posts: 660 iTrader: 0 reviews	Not to sound condescending, but do you no know the difference between an OHV overhead valve (the cam being in the block, above the crank actuating pushrods that actuate the rocker arms that actuate the valves), and an SOHC single overhead cam (one cam in each head actuating the cams, and DOHC dual or double overhead cam (2 cams in each head vice on, typically with a high valve per cylinder count). AND there are even "hybrids" where a SOHC will still have the cam in the block actuating either the intake or exhaust valves just like an OHV engine but still have overhead cams doin the other valves. There are even more variations on engine designs those are just the most common. __________________ GT 6sp Grabber Orange For mods check my garage. 349 rwhp, 331 rwtrq Naturally Aspirated 445 rwhp, 495 rwtrq 100 Shot 60ft: 1.74 1/4: 12.15 @ 112.43 N/A 60ft: 1.71 11.40 @ 121.18 100 shot Nitrous

May 27th, 2007, 09:30 PM	#3
07 Grabber GT Regular 2007 GT Join Date: Oct 2006 Location: Rota, Spain Posts: 433 iTrader: 0 reviews	Along with 8 coils and 8 injectors. In order to make room they did away with the distributor and carburator. I had a 66 FB and was tired of tuning every Monday and Thursday to drive Fri thru Sun ... not to mention the burned valves and weak rings. Now say it with me ... WTF

May 28th, 2007, 04:47 PM	#8
RStrick0352 Enthusiast 2007 Mustang GT 11.40 @ 121 mph Join Date: Apr 2007 Location: Jacksonville, NC Posts: 660 iTrader: 0 reviews	He was correct he just worded it a little ambiguously. __________________ GT 6sp Grabber Orange For mods check my garage. 349 rwhp, 331 rwtrq Naturally Aspirated 445 rwhp, 495 rwtrq 100 Shot 60ft: 1.74 1/4: 12.15 @ 112.43 N/A 60ft: 1.71 11.40 @ 121.18 100 shot Nitrous

May 28th, 2007, 04:57 PM	#9
cams-shelbycobra07 Enthusiast 1991 LX, 2003 SNK, 2007 S 11.3 Join Date: Dec 2006 Location: Oklahoma City Posts: 955 iTrader: 0 reviews	cars dont have 4 cams 4valves yes but theres only one cam in the cobra and if im wrong then its 2

May 28th, 2007, 04:58 PM	#10
cams-shelbycobra07 Enthusiast 1991 LX, 2003 SNK, 2007 S 11.3 Join Date: Dec 2006 Location: Oklahoma City Posts: 955 iTrader: 0 reviews	o well everyone makes mistakes

May 28th, 2007, 05:04 PM	#11
RStrick0352 Enthusiast 2007 Mustang GT 11.40 @ 121 mph Join Date: Apr 2007 Location: Jacksonville, NC Posts: 660 iTrader: 0 reviews	you are wrong, the cobra has 4 cams, 2 in each head. One cam operates the 2 intake valves in each cylinder and the other cam operates the 2 exhaust valves in each cylinder. Hence the Dual Over Head Cam, 4 total. Thats not all that crazy either, there is and Opel that has 6 valve per cylinder, and some other car whose manufacturer I cant remeber now has quadruple over head cams, thats right 4 cams per head 8 total in the car. Now thats amazing, imagine the size and complexity of that engine. __________________ GT 6sp Grabber Orange For mods check my garage. 349 rwhp, 331 rwtrq Naturally Aspirated 445 rwhp, 495 rwtrq 100 Shot 60ft: 1.74 1/4: 12.15 @ 112.43 N/A 60ft: 1.71 11.40 @ 121.18 100 shot Nitrous

May 28th, 2007, 05:06 PM	#12
cams-shelbycobra07 Enthusiast 1991 LX, 2003 SNK, 2007 S 11.3 Join Date: Dec 2006 Location: Oklahoma City Posts: 955 iTrader: 0 reviews	Double overhead cams, four valves per cyclinder, 4.6 L / 280cid, 90° V-8, cast iron block, aluminum heads, forged crankshaft Bore x stroke: 90.2 x 90.0mm Compression ratio: 8.5:1 Horsepower: 390 hp @ 6,000 RPM (85 Hp per liter) Torque: 390 lb./ft. @ 3,500 RPM Fuel Delivery: Sequential electronic fuel injection Induction: Eaton Generation IV Roots-type supercharger/water-to-air intercooler with boost pressure @ 8.0 PSI, Aluminum intake manifold / tuned equal length runners, 57mm twin bore throttle body, 90mm mass-air sensor Ignition: Distributorless coil-on-plug

May 28th, 2007, 05:07 PM	#13
cams-shelbycobra07 Enthusiast 1991 LX, 2003 SNK, 2007 S 11.3 Join Date: Dec 2006 Location: Oklahoma City Posts: 955 iTrader: 0 reviews	thats on 03 cobra need anymore proof

May 28th, 2007, 05:10 PM	#14
cams-shelbycobra07 Enthusiast 1991 LX, 2003 SNK, 2007 S 11.3 Join Date: Dec 2006 Location: Oklahoma City Posts: 955 iTrader: 0 reviews	http://auto.howstuffworks.com/camshaft.htm go to this website and read then youll understand

May 28th, 2007, 05:12 PM	#16
RStrick0352 Enthusiast 2007 Mustang GT 11.40 @ 121 mph Join Date: Apr 2007 Location: Jacksonville, NC Posts: 660 iTrader: 0 reviews	I know exactly how they work, I wouldnt have went into so much detail if they didnt. Thats just a generic picture and explanation. Good grief man I'm just trying to help you out. __________________ GT 6sp Grabber Orange For mods check my garage. 349 rwhp, 331 rwtrq Naturally Aspirated 445 rwhp, 495 rwtrq 100 Shot 60ft: 1.74 1/4: 12.15 @ 112.43 N/A 60ft: 1.71 11.40 @ 121.18 100 shot Nitrous

May 28th, 2007, 05:31 PM	#17
HMUSN Doc 1986 SVO 48.47@ 12.58 Join Date: Nov 2006 Posts: 37,044 iTrader: 10 reviews	it's simple. a Terminator. 4 cams total. 2 in each head 4 valves per cylinder. 8 cylinders. which equals 32valve DOHC v8 __________________

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May 28th, 2007, 05:33 PM	#18
cams-shelbycobra07 Enthusiast 1991 LX, 2003 SNK, 2007 S 11.3 Join Date: Dec 2006 Location: Oklahoma City Posts: 955 iTrader: 0 reviews	the way im understanding you you were saying for 4cams there is DOHC meaning 2cams And SOHC meaing a single cam IM sure we both understand just not each other

May 28th, 2007, 05:36 PM	#20
cams-shelbycobra07 Enthusiast 1991 LX, 2003 SNK, 2007 S 11.3 Join Date: Dec 2006 Location: Oklahoma City Posts: 955 iTrader: 0 reviews	Ok never mind

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