New 243 Patriot CNC Ported Heads
TECH Resident
Joined: Jun 2004
Posts: 840
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Originally Posted by Gunnar@Patriot
If you have anymore questions, please let us know.
I can get a 5 angle done no problem but am short on experienced real world proven porting help....
hmm i wonder the same thing. i would imagine so.. seems most mods do.. generally the bigger the cam the higher the rpm range.... but things like adding cubic inches increase tq down low...
one thing is for sure, those stage 2 ls6 heads would make more power everywhere on my car probably lol
one thing is for sure, those stage 2 ls6 heads would make more power everywhere on my car probably lol
Reason I ask is because I thought about going with a larger cam...but if these heads will really move my peak higher I won't want any more than the TR230 that I originally decided on. The combination of parts is key.
Will the heads that are being offered for $849 combined with the FM13 cam that im going to be installing in conjustion with all the bolttons for my c5 get me to over 420rwhp. i have an A4 c5 with long tube headers, x-pipe and hi flow cats with corsa indy exhaust, and soon to be vortex intake, plus a good tune after the cam. thanks.
Originally Posted by WickedC5
Will the heads that are being offered for $849 combined with the FM13 cam that im going to be installing in conjustion with all the bolttons for my c5 get me to over 420rwhp. i have an A4 c5 with long tube headers, x-pipe and hi flow cats with corsa indy exhaust, and soon to be vortex intake, plus a good tune after the cam. thanks.
Here are some flow numbers of one of these heads with 2.00"/1.55" valves we are getting ready for a customer:
.100" 75.3 / 61.9
.200" 151.7 / 121.6
.300" 210.7 / 163.1
.400" 251.2 / 199.7
.500" 284.6 / 215.8
.550" 291.4 / 221.1
.600" 301.3 / 225.6
.100" 75.3 / 61.9
.200" 151.7 / 121.6
.300" 210.7 / 163.1
.400" 251.2 / 199.7
.500" 284.6 / 215.8
.550" 291.4 / 221.1
.600" 301.3 / 225.6
Originally Posted by WickedC5
Will the heads that are being offered for $849 combined with the FM13 cam that im going to be installing in conjustion with all the bolttons for my c5 get me to over 420rwhp. i have an A4 c5 with long tube headers, x-pipe and hi flow cats with corsa indy exhaust, and soon to be vortex intake, plus a good tune after the cam. thanks.
Gunnar, I really like the 2nd option from the top post. I have new in the box CC 921 springs. The bottom retainer is 1.30" in diameter, will this fit the heads OK? Since I allready have these springs, I want to use them.
I will call you tomorrow (Thursday). Can I get a bag of Super 7 locks?
I will call you tomorrow (Thursday). Can I get a bag of Super 7 locks?
TECH Senior Member
Joined: Mar 2004
Posts: 14,620
Likes: 17
From: BFE
Originally Posted by Doc99SS
Gunnar, I really like the 2nd option from the top post. I have new in the box CC 921 springs. The bottom retainer is 1.30" in diameter, will this fit the heads OK? Since I allready have these springs, I want to use them.
I will call you tomorrow (Thursday). Can I get a bag of Super 7 locks?
I will call you tomorrow (Thursday). Can I get a bag of Super 7 locks?
New Factory 243 Patriot CNC ported heads with Ferrea valves: These will be new 243 GM castings that are CNC ported with our stage II program and have our five angle valve job. The combustion chambers will be 64cc and extra milling is available at no extra charge. These heads will be fitted with Ferrea 6000 series 2.02"/1.57" stainless valves. No springs will come with this particular option.
Pricing is $1,075.00 per pair, no exchange.
Pricing is $1,075.00 per pair, no exchange.
Originally Posted by Doc99SS
Gunnar, I really like the 2nd option from the top post. I have new in the box CC 921 springs. The bottom retainer is 1.30" in diameter, will this fit the heads OK? Since I allready have these springs, I want to use them.
I will call you tomorrow (Thursday). Can I get a bag of Super 7 locks?
I will call you tomorrow (Thursday). Can I get a bag of Super 7 locks?
Yes sir, your springs will work fine on these. Give us a call and we will get you fixed up.
Originally Posted by WickedC5
Will the heads that are being offered for $849 combined with the FM13 cam that im going to be installing in conjustion with all the bolttons for my c5 get me to over 420rwhp. i have an A4 c5 with long tube headers, x-pipe and hi flow cats with corsa indy exhaust, and soon to be vortex intake, plus a good tune after the cam. thanks.
Hey guys... I am somewhat new to ls1's.... i was previously turned off of patriot due to the options and info i saw in summitt comparing them to other vendors (cam choices suck) (... yet this sounds to good to be true)
59cc heads with new larger valves and high lift springs for less than 1400.00?? what is the compression ratio again with the bottom option for an ls1?
what cam will work well...... street cam, nice lope... not choppy idle, not a spring killer. looking for 400+whp on M6 with hooker LT's, H/C, and dumps. stock ls1 intake for now.
59cc heads with new larger valves and high lift springs for less than 1400.00?? what is the compression ratio again with the bottom option for an ls1?
what cam will work well...... street cam, nice lope... not choppy idle, not a spring killer. looking for 400+whp on M6 with hooker LT's, H/C, and dumps. stock ls1 intake for now.
thnx.. like i said still learning 
Originally Posted by PREDATOR-Z
PTV has little to do with lifts and has to do with duration amount used, valve events and size of valves.
The MS3 will fit PP 243 with stock valves and no mill.
It might even fit PP 59 cc with 2.02/ 1.57 valves ( not sure though)
But with bigger valves, the way to do this is stick the cam in and measure PTV.
No sane sponsor here will give you a definite answer, it will be it "should" but "better measure", which is sound advice when you're playing with cams that size.
The MS3 will fit PP 243 with stock valves and no mill.
It might even fit PP 59 cc with 2.02/ 1.57 valves ( not sure though)
But with bigger valves, the way to do this is stick the cam in and measure PTV.
No sane sponsor here will give you a definite answer, it will be it "should" but "better measure", which is sound advice when you're playing with cams that size.