What cams to use for a built motor with greddy TT?
04-30-2009, 03:12 PM
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What cams to use for a built motor with greddy TT?
I'm looking for a set of cams for my engine build with a greddy TT.
What cams are you guys using?
I was considering brian crower stage 2 cams or even turbo cams like the kelford s1 cams.
There's a few good deals on here. What's the benefit for using turbo kelford cams compared to brian crower stage 2? Not too many ppl are using these cams on their turbo Z's. Some help please!
Thanks.
What cams are you guys using?
I was considering brian crower stage 2 cams or even turbo cams like the kelford s1 cams.
There's a few good deals on here. What's the benefit for using turbo kelford cams compared to brian crower stage 2? Not too many ppl are using these cams on their turbo Z's. Some help please!
Thanks.
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04-30-2009, 05:43 PM
#13
haha, what a off topic!
LOL
anyhow, what makes the BC stage 2 the "dont think twice choice"? Reads like most of the responses are from people that havent even used them yet....
Coach has JWT cams i think and his are the best apparently
Whos to say a longer duration isnt better if the OP wants right shifted powerband? What makes them better than the GTM grinds?
LOL
anyhow, what makes the BC stage 2 the "dont think twice choice"? Reads like most of the responses are from people that havent even used them yet....
Coach has JWT cams i think and his are the best apparently
Whos to say a longer duration isnt better if the OP wants right shifted powerband? What makes them better than the GTM grinds?
04-30-2009, 07:55 PM
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Damn...what is this crap...hahah...
I'm actually using JTW S1 cams on my N/A Maxima and will be supercharged soon.
So what is the point for some companies making turbo cams and nobody uses them?
My 1st choice is to use BC 2 cams on my build but was also considering other options. Majority if you guys are using BC 2 cams so I guess I'm leaning towards those now!
I'm actually using JTW S1 cams on my N/A Maxima and will be supercharged soon.
So what is the point for some companies making turbo cams and nobody uses them?
My 1st choice is to use BC 2 cams on my build but was also considering other options. Majority if you guys are using BC 2 cams so I guess I'm leaning towards those now!
04-30-2009, 08:44 PM
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Ah ic...but what is wrong with getting turbo cams??? Don't make enought power? All i know the Intake duration is lower and this changes the centerline @ lift..
04-30-2009, 10:10 PM
#17
Edit: I just realized the OP has a rev up motor. The C2's will not work for him. The appropriate JWT cams for rev ups are the S7R and C8R.
I have had great luck with the JWT C2 cams. Here is the comparison of them to the BC stage 2 cams:
JWT C2
11.58 mm Peak Lift
225 deg. Dur. at 0.050" lift
261 deg. Adv. Dur.
BC Stage 2
10.82 mm Peak Lift
222 deg. Dur. at 0.050" lift
264 deg. Adv. dur.
The JWT C2s have 7% greater lift and 3 deg. longer duration measured at 0.050", so they are going to flow better. They idle well and also work very well for daily driving.
Edit: My JWT C2 cams are no longer for sale.
Below is my dyno chart (the dip at 4200 was us intentionally leaving it on the rich side in that RPM/boost range):
I have had great luck with the JWT C2 cams. Here is the comparison of them to the BC stage 2 cams:
JWT C2
11.58 mm Peak Lift
225 deg. Dur. at 0.050" lift
261 deg. Adv. Dur.
BC Stage 2
10.82 mm Peak Lift
222 deg. Dur. at 0.050" lift
264 deg. Adv. dur.
The JWT C2s have 7% greater lift and 3 deg. longer duration measured at 0.050", so they are going to flow better. They idle well and also work very well for daily driving.
Edit: My JWT C2 cams are no longer for sale.
Below is my dyno chart (the dip at 4200 was us intentionally leaving it on the rich side in that RPM/boost range):
Last edited by ttg35fort; 05-07-2009 at 04:12 PM.
05-01-2009, 04:16 AM
#19
OP-what type of powerband do you want?
I have had the JWt S1's and now BC3's on a built Greddy setup.
The TQ and midrange from the S1's was downright NASTY. It made the power levels feel much stronger than what they were, traction was tough.
The BC3 on first drive ever at 75whp above the JWt setup felt SLOOWWWWWW
The immediate nastiness was gone, and I felt like it never made up for it up top. I had the car retuned and drove it more and realized I liked it better. Less midrange helps me hook up at much higher power levels, and the top end is nuts. The idle is so, so, below is a vid of it.
BUT-I do miss my S1 cams, IMO most people would prefer their idle and powerband.
http://www.youtube.com/watch?v=22_KmWEEGrk
I have had the JWt S1's and now BC3's on a built Greddy setup.
The TQ and midrange from the S1's was downright NASTY. It made the power levels feel much stronger than what they were, traction was tough.
The BC3 on first drive ever at 75whp above the JWt setup felt SLOOWWWWWW
The immediate nastiness was gone, and I felt like it never made up for it up top. I had the car retuned and drove it more and realized I liked it better. Less midrange helps me hook up at much higher power levels, and the top end is nuts. The idle is so, so, below is a vid of it.
BUT-I do miss my S1 cams, IMO most people would prefer their idle and powerband.
http://www.youtube.com/watch?v=22_KmWEEGrk
05-01-2009, 05:06 AM
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The "it's best because I have them, I want them, or mine are in the mail" mentality is really rampant as coachk said. As Alberto mentioned, there are alot of considerations involved - what power band? what is the rpm range of the engine? What are your power goals? What gears? What Greddy turbos (18G or 20G)? What A/R on the turbos? What downpipes? What exhaust? What CR on the engine? What headwork? What valves? What springs? What intake manifold? What piston? What ecu? Revup or non? If non, what vtc gears (stock or nismo) All of these considerations, and then some, go into the equation.
The advertised duration and lift #'s don't give you the full picture - those are largely marketing excercises. Start by talking to the guy building your engine, and head down to the library, the bookstore, etc and start studying what makes the cam work, and why it's relationship to the above engine characteristics makes or breaks the overall result. It will seem like alot of info to digest, but to truly make an informed decision, knowledge and understanding are your best friend.
The advertised duration and lift #'s don't give you the full picture - those are largely marketing excercises. Start by talking to the guy building your engine, and head down to the library, the bookstore, etc and start studying what makes the cam work, and why it's relationship to the above engine characteristics makes or breaks the overall result. It will seem like alot of info to digest, but to truly make an informed decision, knowledge and understanding are your best friend.