I think you want the 224/227-114 lsa 
best cam only/nitrous cam
Thread Starter
Launching!
Joined: Dec 2003
Posts: 246
Likes: 0
From: Texas, dont mess with us!
best cam only/nitrous cam Looking for a cam only swap, as i cannot afford ported heads this year. So basically i want a cam that will add max power with staying at a redline or 6500 or lower and be able to handle a 100-150 shot of juice efficiently. The car will have stock headers that are ported, eventually getting longstubes as they get developed, BTW i do not own a F body,, its a FD3s 
AKA 93 mazda rx7, its a hybrid swap, but i will be able to use LS1 edit which will be great. Motor is a 98 ls1/t56 SPEC 3 clutch, ASP underdrive pully, coolant bypass, EGR eliminated, no cats, custom true duals w/ cut outs after headers, ported TB, custom cold air intake, dyno/street tuned with LS1 edit.
Of course i want a cam that sounds mean, a lumpy idle isnt a big deal with me and the cams power cant exceed 6500 RPM as i will have a stock bottom end. Thunder racing is having a special that ends the 14th and i want to order something before then, so help me out! i guess i am limited to their selection http://www.thunderracing.com/index.c...yid=1114#T1159
For the record i did use the search function and went through numerous pages on the engine internals forum and no dice.
*cliff notes:
-sweet sound at idle/entire RPM range
-good with nitrous (100-150 shot wet)
-most importantly great power gains on stock ported heads
-weekend car, so daily driveability doesnt matter all that much
Let me hear some responses backed with actual numbers you, or someone you know put down! thanks to all that help me out
----for the non beleivers, go to www.hinsonsupercars.com
thanks
-james
AKA 93 mazda rx7, its a hybrid swap, but i will be able to use LS1 edit which will be great. Motor is a 98 ls1/t56 SPEC 3 clutch, ASP underdrive pully, coolant bypass, EGR eliminated, no cats, custom true duals w/ cut outs after headers, ported TB, custom cold air intake, dyno/street tuned with LS1 edit.Of course i want a cam that sounds mean, a lumpy idle isnt a big deal with me and the cams power cant exceed 6500 RPM as i will have a stock bottom end. Thunder racing is having a special that ends the 14th and i want to order something before then, so help me out! i guess i am limited to their selection http://www.thunderracing.com/index.c...yid=1114#T1159
For the record i did use the search function and went through numerous pages on the engine internals forum and no dice.
*cliff notes:
-sweet sound at idle/entire RPM range
-good with nitrous (100-150 shot wet)
-most importantly great power gains on stock ported heads
-weekend car, so daily driveability doesnt matter all that much
Let me hear some responses backed with actual numbers you, or someone you know put down! thanks to all that help me out
----for the non beleivers, go to www.hinsonsupercars.com
thanks
-james
On The Tree
Joined: Nov 2003
Posts: 128
Likes: 0
From: Whittier, CA
well thunder racing has a good supercharged cam, suppose to make so damn good power. i just ordered the stealt cam from MTI. But usually anthing will work for nit. You should have a monster with there cam. i hear lots of good things about thunder racing.
Thread Starter
Launching!
Joined: Dec 2003
Posts: 246
Likes: 0
From: Texas, dont mess with us!
after doing some more reading, im leaning towards TR's 99-230/224-111lsa
should give me good power gains i hope, aside from springs and rods,, are Ti retainers needed? Anything else recommended? What kinda numbers could i expect with this setup? only a few more days till the special ends! thanks
-james
should give me good power gains i hope, aside from springs and rods,, are Ti retainers needed? Anything else recommended? What kinda numbers could i expect with this setup? only a few more days till the special ends! thanks
-james
On The Tree
Joined: Nov 2003
Posts: 128
Likes: 0
From: Whittier, CA
well, that cam is a very nast cam, ti retainers i think will bne needed. that cam with your set up should make anywhere from 380 to 420 give or take 10 horses. Ti retainers are a must with that came due to the fast ramp of the cam. tq. should be up around there to. Change your lifter's too. prob. comps R lifters are doing very well. Roller Rockers should be on that list. dont forget to go with double springs. Sounds like a nice combo. Just make sure to do a good tune on it. That cam might be making most of its power past 6500 rpm. And i've heard it. it has a very lumpy idle. i think the stock bottom end could handle it though. have fun.
Thread Starter
Launching!
Joined: Dec 2003
Posts: 246
Likes: 0
From: Texas, dont mess with us!
maybe that cam is a little tooo wild for what im looking for right now. Going to have to step it down. Whats the difference between these two:?
99-227/224-114 lsa
99-224/227-114 lsa
I really dont want to go with a new rocker setup, just springs, ret, and rods will be good enough for now. Im new to this cam stuff with V8's so bare with me. thanks for all your help so far. Hopefully one of the two cams listed above should do the trick.
-james
99-227/224-114 lsa
99-224/227-114 lsa
I really dont want to go with a new rocker setup, just springs, ret, and rods will be good enough for now. Im new to this cam stuff with V8's so bare with me. thanks for all your help so far. Hopefully one of the two cams listed above should do the trick.
-james
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TECH Resident
Joined: Apr 2003
Posts: 791
Likes: 0
From: Tulsa, Ok
i would go with the 224/227 114lsa. it sounds like what you're looking for. it should have a nice lope and work very wel on the juice. probably will make around 380-390rwhp naturally aspirated.
i've got the 230/224. you don't have to get aftermarket lifters or rockers for this cam. however, it does like to rev, quite a bit past 6500. my car peaks at 6500 and just flat lines till 7000 rpm's (havn't taken it any higher than that, but it probably could).
with any of the thunder cams i would suggest getting the crane duals with ti. retainers. those, pushrods, and gaskets is all you should need. oh, and a balancer bolt. good luck
i've got the 230/224. you don't have to get aftermarket lifters or rockers for this cam. however, it does like to rev, quite a bit past 6500. my car peaks at 6500 and just flat lines till 7000 rpm's (havn't taken it any higher than that, but it probably could).
with any of the thunder cams i would suggest getting the crane duals with ti. retainers. those, pushrods, and gaskets is all you should need. oh, and a balancer bolt. good luck
Thread Starter
Launching!
Joined: Dec 2003
Posts: 246
Likes: 0
From: Texas, dont mess with us!
Excellent, thanks guys for all the help! Cant wait to drive my car V8 powered! Let alone,,, LS1 powered! Ive played with 4cyls and the rotary motor for the last 3 yrs,,, torque, lope, and 8 cylinders were never in my vocabulary. :-(
looks like its the 224/227 114 Lsa for me! thanks again.
-james
looks like its the 224/227 114 Lsa for me! thanks again.
-james
I thought you said that you were looking for a cam that gave power under 6500 RPMs? If so, it sounds like you need a numerically lower LSA... Don't let anyone rush you into this before you're completely sure.
Thread Starter
Launching!
Joined: Dec 2003
Posts: 246
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From: Texas, dont mess with us!
the 224/227 114 Lsa will make power out of my set RPM rangeof 6500? If so im not really looking to do that, ideally i would like it to peak at 6500 or a little before. Also, what is the safest, highest redline a stock bottom end can handle? i thought i read somewhere that 6500 is safe, 6700 is risky, is that correct? That was my basis for wanting a cam to make power till 6500, but not beyond so i can use all the power the cam has to offer without spinning a bearing. However, i very well could be wrong. 
black knight you seem really knowledgeable in this area, what do you think?? anyone else ? thanks.
-james
black knight you seem really knowledgeable in this area, what do you think?? anyone else ? thanks.-james
Well, you want to peak under 6500 with the stock bottom end, not only because of the limits of your parts, but also because the runner length of the ls1 dictates that it will make most of its power there.
Of course, with Nitrous, you may well find that your ideal setup will be spinning up higher. I don't know too much about n2o.
Really, some of this can get very complex. I only just barely have my toes in it, so to speak. Like I said, take your time and get some expert opinions. I think you have clear goals and I recommend you stick to them. Just make sure that before you make a decision that it's not just "roxor kewl" but will actually do what you want it to. (i.e. a maximum power cam that peaks under 6500 RPM that will handle nitrous and can sacrifice "daily drivability")
Of course, with Nitrous, you may well find that your ideal setup will be spinning up higher. I don't know too much about n2o.
Really, some of this can get very complex. I only just barely have my toes in it, so to speak. Like I said, take your time and get some expert opinions. I think you have clear goals and I recommend you stick to them. Just make sure that before you make a decision that it's not just "roxor kewl" but will actually do what you want it to. (i.e. a maximum power cam that peaks under 6500 RPM that will handle nitrous and can sacrifice "daily drivability")
Originally Posted by black_knight
I thought you said that you were looking for a cam that gave power under 6500 RPMs? If so, it sounds like you need a numerically lower LSA... Don't let anyone rush you into this before you're completely sure.
TECH Apprentice
Joined: Jun 2002
Posts: 372
Likes: 0
From: Chester, VA
Originally Posted by Hicks 2KTA
LSA isn't the only thing that determines where your cam will peak at, duration and more importantly the icl will also effect its peak. For n2o I would run a regular split cam on a lsa of 112 +2. But do a lot of research before you pick a cam so you don't end up buying something you don't like and end up changing it.
You usually want to subtract at least a degree for every 50 HP no?
When you add a degree to a cam it makes the icl lower for example 112 +2 would be an icl of 110 correct? So your saying he should subtract a degree for every 50 hp? I was just trying to give him advice on how to lower his rpm.
Thread Starter
Launching!
Joined: Dec 2003
Posts: 246
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From: Texas, dont mess with us!
I can control the timing w/ LS1 edit if thats what you mean with the degrees stuff. rule of thumb is 2* retard per 50hp shot and run one step colder plugs. All im asking is what cam is good for what i want? No one has any cams from that selection or knows someone who does and what it puts down??? i read somewhere about a guy with a 224/228 114 cam, had a sound clip, it was damn nice. the closest one TR has in that selection is a 224/227 114 which is what im leaning towards currently...
Sorry I should have made my self more clear. I am talking about 2 degrees advance ground into the cam, not how much timing you should run. Almost every cam has some sort of advance or retard already ground into it.