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11-28-2009, 11:10 AM #1
Shorty header Street cam besides CheaTR cam?
I'm looking for a cam with overlap in the -4 to -9 degree range that will work good with stock heads and shorty headers, this is my DD and normally see's 2-4k rpm and a couple time a day see's 6k. I'm not looking for a completely stealth cam, I'd still like to hear it a little bit.
Maybe something in the range of a 220/228 115 lsa...?
I look forward to your experienced input.
Thanks!
Current mods:
BBK SSI, 85mm tb, slp lid, electric water pump w/180 stat, 10% UD pulley, stock heads, YT ultralite rockers, shorty headers, Random Technology Y-pipe & cats., bullet muffler dumped before axle, LS7 clutch & aluminum flywheel stock 3:42 rear gears, heavy full option car +150 to 180 lbs stereo.Last edited by Blue28; 11-28-2009 at 11:36 AM.
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11-29-2009, 10:53 AM #2
....................................?
How about this cam?
EPS, TT2:
Intake Duration: 218 Degrees at .050".
Intake Lift: .595" .
Exhaust Duration 226 Degrees at .050".
Exhaust Lift .598" .
113 Degree LSA
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11-29-2009, 11:05 AM #3
This guy with longtubes put down some good numbers with a 222/228 115lsa I tried to find his old video but pm him he can send one to you. I think it was 380ish.
http://www.ls1tech.com/forums/genera...-475-rwhp.html
looks like he hit 400whp with a different y-pipe, this was before his afr's in current sig
http://www.ls1tech.com/forums/genera...er-y-pipe.htmlLast edited by c5z28; 11-29-2009 at 11:09 AM.
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11-29-2009, 11:06 AM #4
the second cam looks like the slp cam just with a 113 instead of a 115, number from a local with long tubes was 370ish been awhile don't remember the exact number.
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11-29-2009, 11:22 AM #5
The 2nd cam is from Engine Power Systems.
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11-29-2009, 09:50 PM #6
checkout ebay, do a search for > LS1 cam (fresh copy). the guy does regrind cams and sells them for $125 +$19 shipping.
he has GM hot cam grinds avalable with your choice of 112, 114, or 116lsa....... I just ordered my second cam from him and was very happy with the first onr, just wanted to go bigger.
I think with what you want to do you'd be happy and Calli legal with the larger Hot cam on a 114lsa and going through him you'll save some coin
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12-02-2009, 03:15 PM #7
- Join Date
- Oct 2007
- Location
- NC
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- 635
SOM- 1998 T.A.
Well a 224/224 cam on a 114 is -8 overlap same as your second cam but I think the 224 will make morepower in most instances...........
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12-02-2009, 04:14 PM #8
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12-02-2009, 04:18 PM #9
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12-02-2009, 04:25 PM #10
BTW, here's the calculator I used:
http://www.wallaceracing.com/overlap-calc.php
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12-02-2009, 07:17 PM #11
I know someonbe who has a224 cam and stock exhaust manifolds and passed smog put the cheap ass has not gotten a tune so I don't know the numbers. I can't imagine that would be the best cam especially since it can't breathe with shorties.
222/228 114.5 lsa
did you ever check out the links I gave you?
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12-02-2009, 10:22 PM #12
Yeah good read/info, thanks for the links!
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12-02-2009, 10:47 PM #13
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12-03-2009, 06:38 AM #14
- Join Date
- Oct 2007
- Location
- NC
- Posts
- 635
SOM- 1998 T.A.
Overlap formula:
Add the intake and exhaust durations
Divide the results by 4
Subtract the LSA
Multiply the results by 2
or
Add IVO + EVC if you know it.....
224+224 = 448
448 divided by 4 = 112
112 - 114 = -2
2x -2 = -4
You are right. Apparently math and Heinekin is not a good mix for meLast edited by SOMbitch; 12-03-2009 at 06:48 AM. Reason: Added info to post
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12-03-2009, 03:22 PM #15
Talked to Geoff at EPS today an got a custom cam ordered!
222/234 115 lsa +3
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12-04-2009, 04:45 PM #16
Interested to see the dyno results
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