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Thread: C3 cams on a 10:1 motor

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Posts: 81-88 of 88
2009-12-30 20:33:01
#81
Originally Posted by nogr1p
poor de's noone gives them much love


so true
2009-12-30 20:37:37
#82
Originally Posted by cory
Sorry but ill have to agree w thor, I think 90oct will be enouigh for 11.5 cr. I say this because of the big ass cams your going to be running. No I don't think it would work w a stock cam motor though...


Cory can you technically explain why it would be safer to run a 11.5 CR on a big cam motor vs the stock cam motor.

please note our 90 octane rated fuel is really about 89 octane out of the pumps and it is 10% ethanol blend.

Is the 11.5 still safe?
2009-12-30 20:43:36
#83
Originally Posted by cory
Sorry but ill have to agree w thor, I think 90oct will be enouigh for 11.5 cr. I say this because of the big ass cams your going to be running. No I don't think it would work w a stock cam motor though...


Originally Posted by MR-4Door-SR20DET
^I don't think he has decided on the cam he wants to run yet. Cory did Mike K. make 200WHP or so all motor with a 2.0 or 2.2L DE back in the day?


Originally Posted by cory
I thought he was planning on atleast a c2. But I'm pretty sure mikes motor was a 2.0 with c6ms and a burns header. But now that I think about it it may have been a big bore motor, I remeber something of one of his motors using na z32 pistons....

Miko has a big bore de back in the day to I believe he was running c2s


I will be running the C3 cams. the pros of this cam far out weigh the cons for me and I think these will make significantly more power than the C2s. I will tune the C3s to give me a balance but with a bias towards getting the most power from out of them.

Info on Andreas' build
http://www.sr20-forum.com/227171-post16.html
2009-12-30 21:07:28
#84
Originally Posted by Reedom
I will be running the C3 cams. the pros of this cam far out weigh the cons for me and I think these will make significantly more power than the C2s. I will tune the C3s to give me a balance but with a bias towards getting the most power from out of them.

Info on Andreas' build
http://www.sr20-forum.com/227171-post16.html


^Hmmmm, I've seen that link before. *cough cough* post #43.
2009-12-31 03:08:12
#85
Originally Posted by Reedom
Cory can you technically explain why it would be safer to run a 11.5 CR on a big cam motor vs the stock cam motor.

please note our 90 octane rated fuel is really about 89 octane out of the pumps and it is 10% ethanol blend.

Is the 11.5 still safe?


Kind of a lot to explain right now in this thread, but if you search a little on here or on honda-tech or google. Try searching dynamic compression. Basically with really large cams you are able to run more compression safely....
2009-12-31 03:22:21
#86
Originally Posted by MR-4Door-SR20DET
^I don't think he has decided on the cam he wants to run yet. Cory did Mike K. make 200WHP or so all motor with a 2.0 or 2.2L DE back in the day?



Mike K made 185 WHP with C3 cams

and

200 WHP with CM6 cams

He had

87mm 300zx pistons 90-96 NA
Ported head by DP racing heads
2009-12-31 15:15:16
#87
Originally Posted by Andreas
Mike K made 185 WHP with C3 cams

and

200 WHP with CM6 cams

He had

87mm 300zx pistons 90-96 NA
Ported head by DP racing heads


SR20 Forum - View Single Post - sr20turbofreaks killer header!

^So this is the header he used on that build to compare after the burns header. Did he post pics of the burns header anywhere? Does anybody know what they went for?
2009-12-31 15:21:00
#88
you want a 4 into 1 header.....

get a Kesi24 header or SR20turbofreak header.

out of your buget.....

get a SSAC header.
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