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Thanks to everyone who replied to this thread, I had a good think about the options, 68Formula's post was a great summary.
On the face of it, I think that the Comp would probably be best, sacrificing some high end for the improved low down where i use the car 90% of the time. I expect that as mentioned, it will peak at around 6300 like the 216/220 does but that cam keeps making good power before dropping off at just under 6800 rpm, normally there is a very big drop off at peak and I expect that with that 215/223 based on the dyno sheets for similar combos I have seen. With the 216/220, when actually driving it, you cant feel anything drop, it just powers on and you just shift close to that 7000 rpm mark. I am worried about valvetrain noise with the comp though.
I had a really good think about the Lunati Voodoo as it looks like a nice cam that would produce a good power result with my heads and rev hard (probably closer to actual 7000 rpm) but I think it would not be as good in the low rpm. I also found out that I seemingly can only buy the Voodoo cam packaged with their lifters. I don't know who makes their lifters or what they are like. I assume they enforce that because of .625 lift.
Thanks to everyone who replied to this thread, I had a good think about the options, 68Formula's post was a great summary.
On the face of it, I think that the Comp would probably be best, sacrificing some high end for the improved low down where i use the car 90% of the time. I expect that as mentioned, it will peak at around 6300 like the 216/220 does but that cam keeps making good power before dropping off at just under 6800 rpm, normally there is a very big drop off at peak and I expect that with that 215/223 based on the dyno sheets for similar combos I have seen. With the 216/220, when actually driving it, you cant feel anything drop, it just powers on and you just shift close to that 7000 rpm mark. I am worried about valvetrain noise with the comp though.
I had a really good think about the Lunati Voodoo as it looks like a nice cam that would produce a good power result with my heads and rev hard (probably closer to actual 7000 rpm) but I think it would not be as good in the low rpm. I also found out that I seemingly can only buy the Voodoo cam packaged with their lifters. I don't know who makes their lifters or what they are like. I assume they enforce that because of .625 lift.
Typically its a good idea to package lifters with the cam if the cam company recommends something. I would also keep things in perspective. Are you really going to feel, say 10ftlbs at 2000 rpms? Not likely. But you might feel 20-30whp more at higher rpm because the cam can hang on longer. Just something to consider.
Typically its a good idea to package lifters with the cam if the cam company recommends something. I would also keep things in perspective. Are you really going to feel, say 10ftlbs at 2000 rpms? Not likely. But you might feel 20-30whp more at higher rpm because the cam can hang on longer. Just something to consider.
It's an interesting question, I can say that I noticed the difference between my 214/217 and the 216/220 down low. I can't say what the dyno difference is as they were never run on the same dyno but it's noticeable (no where near as noticeable as the 218/226 though, that cam felt much worse everywhere). However, the 216/220 is still very good down low and even stronger in the mid range and revs harder.
However, I'm wondering if there really would be a huge top end difference between a 215/223 and a 219/223, surely not 20-30 rwhp?
It's an interesting question, I can say that I noticed the difference between my 214/217 and the 216/220 down low. I can't say what the dyno difference is as they were never run on the same dyno but it's noticeable (no where near as noticeable as the 218/226 though, that cam felt much worse everywhere). However, the 216/220 is still very good down low and even stronger in the mid range and revs harder.
However, I'm wondering if there really would be a huge top end difference between a 215/223 and a 219/223, surely not 20-30 rwhp?
when you have 2 cams and 1 revs out farther where the 1st falls off the gains can be significant.
when you have 2 cams and 1 revs out farther where the 1st falls off the gains can be significant.
Makes sense, I was thinking 10 or so rwhp between those two but 20-30 rwhp is enough to make you think Hard to know without being able to test them all though! I was assured by a lot of people that the Cam Motion would make more than my old baby cam because it was bigger but interestingly the opposite happened. I'm a little risk adverse because of it but I will chat to the shop doing the work, see what they say. Cheers
Any of those cams should drive quite well as they are quite tame. Even my 227/234 is fairly tame compared to what some guys are running. My cam peaked at 6300 and my tuner set the rev limit at 6800. I feel mine is responsive off idle with a M6 3.42 gears.
Get the lunati. They make good power and customer service has always been good to me. I had a 222/228 113 lunati voodoo in my ls1 and that thing drove great and made decent power. 389 wheel with stock 799 heads and ls6 intake. Super budget.
Try a Lingenfelter GT11. I have it in my TBSS daily. Eveything you want, smooth 650rpm idle, revs to 7000rpm, etc. Check it out. There is a cam called a Cheatr Cam that is real similar to this, but less lift.
Get the lunati. They make good power and customer service has always been good to me. I had a 222/228 113 lunati voodoo in my ls1 and that thing drove great and made decent power. 389 wheel with stock 799 heads and ls6 intake. Super budget.
Thanks for your response. Unfortunately, I did a last minute check by actually calling the vendor, turns out that the website saying the Lunati was in stock, was wrong. It's not in the country. I really hate when website's do this! I've checked around and it's not available here.
Try a Lingenfelter GT11. I have it in my TBSS daily. Eveything you want, smooth 650rpm idle, revs to 7000rpm, etc. Check it out. There is a cam called a Cheatr Cam that is real similar to this, but less lift.
Thanks for the recommendation, alas like many US cams, I can't obtain this without importing it myself and there won't be time.
I will say, that back when I purchased my Cam Motion cam, I also spoke to EPS and they recommended something similar. A 214/232 117 but a little less lift. It was easier to import the Cam Motion do I did that (plus the recommendations on here) but I regret not trying that cam at the time instead.
So, despite all my issues getting a cam in time, I found that I do have a local option I did not know about. Crow cams in Australia make this cam that wasn't in their normal catalogue. It's a 216/222 .595/.595 112+4. Very close to my 216/220 .600/.600 112+2. This will be my backup if my cam is damaged.
Although, the shop would rather I fit a 222/230 .613/.612 114+4 as their baby cam, lol. They love bigger cams
I put a much smaller cam in my engine than many would suggest, and I love the combination of performance, driveability, and fuel economy I get out of the engine as a result. If it's a street driven motor, it's much better to lean towards the baby cams.
OK, I started the car up to take it to the shop over a week ago (I hadn't driven it at all since getting the noise) and it was quiet as a mouse. I drove there doing all sorts of things to set it off and it was perfect. Drove beautifully.
Spoke to the shop when I got there and they said it would be very unusual for lifters to go quiet again and this has happened twice now, each time after a service and then it's gone quiet again and been fine (untill it's serviced - different mechanic). Without pulling it all apart, there's not much the shop can do from here. So, I'll just keep driving it and see how I go, I guess.
05-21-2021, 01:35 AM
Hard to know without being able to test them all though! I was assured by a lot of people that the Cam Motion would make more than my old baby cam because it was bigger but interestingly the opposite happened. I'm a little risk adverse because of it but I will chat to the shop doing the work, see what they say. Cheers 
