Stock cam compatibility

tbird88tbo · July 25th, 2009, 12:14 AM

Hi everyone, I have a simple question. I am building a v block. I have the stock 98 heads and cams, but i am using 03 cobra heads and they came with the stock cams. I will be running a vortech v2 si trim on it at about 10psi of boost. I know that after market cams would make the most power, and i do plan on getting a set in the future, but for now i just want to know if i should run the 03 cams or the 98 cams. Also, for that matter, will the 98 cams even fit in the 03 heads? I dont want to take the cams off the 03 heads just to find out the 98 cams wont fit.

SWEET2KSTANG · July 25th, 2009, 01:01 AM

all the 4v cams will interchange. the 96-98 cobra cams are a little more aggressive than the 99+, i would suggest going with them. the 99+ intake manifolds are different, you will need the matching manifold for the c-heads as well.

tbird88tbo · July 25th, 2009, 04:31 PM

thanks, already have the manifold install...now i will have to take the cam and timing covers back off to do a swap

July 25th, 2009, 12:14 AM	#1
tbird88tbo Regular 1998 Mustang Base Model Join Date: Feb 2009 Posts: 109 iTrader: 0 reviews	Stock cam compatibility Hi everyone, I have a simple question. I am building a v block. I have the stock 98 heads and cams, but i am using 03 cobra heads and they came with the stock cams. I will be running a vortech v2 si trim on it at about 10psi of boost. I know that after market cams would make the most power, and i do plan on getting a set in the future, but for now i just want to know if i should run the 03 cams or the 98 cams. Also, for that matter, will the 98 cams even fit in the 03 heads? I dont want to take the cams off the 03 heads just to find out the 98 cams wont fit.

July 25th, 2009, 01:01 AM	#2
SWEET2KSTANG mm's nitrous mod 2000 mustang gt 11.79@115.83 (old set up) Join Date: Oct 2006 Location: N.W. AR Posts: 12,540 iTrader: 8 reviews	all the 4v cams will interchange. the 96-98 cobra cams are a little more aggressive than the 99+, i would suggest going with them. the 99+ intake manifolds are different, you will need the matching manifold for the c-heads as well. __________________ project warhorse under construction wagon burner under construction as well (04 lightning) being built by MP2 Performance

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July 25th, 2009, 04:31 PM	#3
tbird88tbo Regular 1998 Mustang Base Model Join Date: Feb 2009 Posts: 109 iTrader: 0 reviews	thanks, already have the manifold install...now i will have to take the cam and timing covers back off to do a swap

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