408 is in, and about ready to start
Originally Posted by Robert56
You don't think a 112/108 will also give a nice lope?
Robert
Robert
I have the MS3 and I believe that is 113LSA and it has a MEAN lope to it!
you'll be happy
if not, thats why they make bigger ones
Originally Posted by Robert56
I am saving the LS6 heads to go back on the original motor for resale time. i'll keep the 408? and maybe do a real race car, an f-body (did I say that out loud). Also, will be moving on to the C6 Z06 sometime in the near future, so the value of a low milage C5Zo6 in stock form will be more $$ for trade in.
Nice numbers you got, from the get go. You may be at the magic 500rwhp with the newer heads?
Robert
Nice numbers you got, from the get go. You may be at the magic 500rwhp with the newer heads?
Robert
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From: Tacoma, WA
Originally Posted by LostCauseZ06
i actually broke the 52x mark with the rebuild heads, lighter wheels, fast90/90 setup and a better tune
Robert
496/501 with the lq9 and a 238/242-610/615-113+3 through the stage 5+ 4L65
Your stick car should make around 540 whp with the same cam and its not
a BeAsT to drive on the street with a good tune .
I drive it every day with a loaded 150/150 ,, hehe
Your stick car should make around 540 whp with the same cam and its not
a BeAsT to drive on the street with a good tune .
I drive it every day with a loaded 150/150 ,, hehe
Originally Posted by Robert56
Just waiting on some new Kooks LTs, then it's ready to fire up and get a nice n/a tune. Not really much to look at, if it don't make it faster then who cares, but will do some tricking out later in the looks dept. Man I am ready to roll and get to racing. 
Here's the cam I choose, now I know it's not a mondo cam like some of ya run. But, that's because this is a true street/strip car with a manual. Anywho what do think, it's a hyd roller from Cam Motion:
228/232 .578/587 112/108
I think it's a decent nitrous freindly cam that'll work with my current mild LS6 heads, and 3-stage dry hit? Also, PRC dual springs.
Robert
Here's the cam I choose, now I know it's not a mondo cam like some of ya run. But, that's because this is a true street/strip car with a manual. Anywho what do think, it's a hyd roller from Cam Motion:
228/232 .578/587 112/108
I think it's a decent nitrous freindly cam that'll work with my current mild LS6 heads, and 3-stage dry hit? Also, PRC dual springs.
Robert
Originally Posted by Robert56
Well the one thing you guys are missing, I have stock LS6 heads. Putting a big cam in would be futile, don't you think. Now does the cam choice and specs seem out of place? Also, we have grid lock driving on the freeways; Furthermore, I plan on taking long trips to the mid west. Besides, I'll be putting down way more than the Z06 could use at this point, at least 700/700. Now with that said, this coming fall/winter I want to go with the l92/l76 and probably will bump the cam up at that time, and do some drivetrain upgrades.
Robert
Robert
Itll probably peak at 5400-5800 on the motor, and probably peak torque will be your peak hp too on three stages. I garuntee you that i could make more torque at 4000 with any of the (bigger) cams we use on 400 inch motors than you can with that one. What spring pressure and lift can you run with the springs on your exhaust valve?
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From: Tacoma, WA
Originally Posted by GrannySShifting
No Robert your logic is completely backwards. Because you dont have nearly enough cylinder head to feed that many more cubes, you need more camshaft than normal.
Itll probably peak at 5400-5800 on the motor, and probably peak torque will be your peak hp too on three stages. I garuntee you that i could make more torque at 4000 with any of the (bigger) cams we use on 400 inch motors than you can with that one. What spring pressure and lift can you run with the springs on your exhaust valve?
Itll probably peak at 5400-5800 on the motor, and probably peak torque will be your peak hp too on three stages. I garuntee you that i could make more torque at 4000 with any of the (bigger) cams we use on 400 inch motors than you can with that one. What spring pressure and lift can you run with the springs on your exhaust valve?
Robert
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Verdad Gallardo Ive done some small cams for 400 inch motors for blower cars, before we put the blower on and doen some testing. The smallest Ive ever done, is little bigger on the intake side and much more on the exhaust side, closed the intake valve 8 degrees later than the info you posts and peaked at 5600 rpm This is with a good cylinder head as well. Yours has good bit less duration, less overlap, wayy earlier intake closing and more restrictive exhaust. Do a compression test. Itll probably be well into the 200s and if it has any compression in it may have a tendency to detonate
Wasnt much of a slouch though, made 450 on our mustang dyno at 8.4:1 compression and LS6 intake
Not trying to say anything just dont check all bases. See what it does crank it, etc. Lemme know how it goes Id be interested to see
Wasnt much of a slouch though, made 450 on our mustang dyno at 8.4:1 compression and LS6 intake
Not trying to say anything just dont check all bases. See what it does crank it, etc. Lemme know how it goes Id be interested to see
8 second mod
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From: East Side Performance! mASShole
Originally Posted by tuff
Mine is big to.It's so big the lobes won't fit in the hole 
we need to talk and see who's is bigger
robert, i agree with granny, with my new setup, my old cam was all done at 5800-6000 on my 402 it reved to 6600-6800 like nothing.
it may work, but there is alot to be had with a differant cam
Originally Posted by Robert56
Very nice, I am impressed. I hope to be there also when I step it up a bit. Do you have a dyno sheet for insight, and to see the curves.
Robert
Robert
and im kinda "at ends" with the dyno shop at the moment after them strapping the car down on my damn inner fenders and burning huge holes in my inner fender plastics... 
good dyno shops are hard to find out here
btw... my cam peaked around 6k as well with the stock LS6 intake... with the FAST 90/90 setup it carried to about 6800 from what i remember but it peaked right around 6k.
torque peaked at 4600 RPM's and carried solid clear up to around 5800 RPM's on the old setup.
Last edited by LostCauseZ06; Jul 12, 2007 at 10:14 AM.
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From: Tacoma, WA
Originally Posted by GrannySShifting
Ive done some small cams for 400 inch motors for blower cars, before we put the blower on and doen some testing. The smallest Ive ever done, is little bigger on the intake side and much more on the exhaust side, closed the intake valve 8 degrees later than the info you posts and peaked at 5600 rpm This is with a good cylinder head as well. Yours has good bit less duration, less overlap, wayy earlier intake closing and more restrictive exhaust. Do a compression test. Itll probably be well into the 200s and if it has any compression in it may have a tendency to detonate
Wasnt much of a slouch though, made 450 on our mustang dyno at 8.4:1 compression and LS6 intake
Not trying to say anything just dont check all bases. See what it does crank it, etc. Lemme know how it goes Id be interested to see
Wasnt much of a slouch though, made 450 on our mustang dyno at 8.4:1 compression and LS6 intake
Not trying to say anything just dont check all bases. See what it does crank it, etc. Lemme know how it goes Id be interested to see
Robert
Robert - my old setup that I ran 10.52 consistently at Rockingham and Darlington and Dyno'd at 450.12 NA and 636 rwhp with a 200 shot on was a LQ based LME 408 with AFR 205 heads a 90/90, Nick Williams and a 200 FJO controlled and I never installed the first custom cam Allan cut for me. I was still using the FM13-114 cam. A nice lope...no TRex or MS3 thung but she ran like a champ. the cam was a 230/232 .595/.585 @ 114. Allan once offered to take the cam back and build me something for the 408 when a few folks had some issues with the FM13 a few years ago. Mine wasn't effected. When we pulled the FM13 out last month...it looked great. Here a few photos of the new build which will sport a big (except in Noyzee's world of 1.95 Ratios and .750) but still : 254/266 .646/.623 114.1
Dave has agreed to build me a DP (wet) and ill keep my plate for a second stage for some sort of finish line blast if I require a bit more on the big end!
Dave has agreed to build me a DP (wet) and ill keep my plate for a second stage for some sort of finish line blast if I require a bit more on the big end!
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From: Tacoma, WA
Originally Posted by BadAssFast
Robert - my old setup that I ran 10.52 consistently at Rockingham and Darlington and Dyno'd at 450.12 NA and 636 rwhp with a 200 shot on was a LQ based LME 408 with AFR 205 heads a 90/90, Nick Williams and a 200 FJO controlled and I never installed the first custom cam Allan cut for me. I was still using the FM13-114 cam. A nice lope...no TRex or MS3 thung but she ran like a champ. the cam was a 230/232 .595/.585 @ 114. Allan once offered to take the cam back and build me something for the 408 when a few folks had some issues with the FM13 a few years ago. Mine wasn't effected. When we pulled the FM13 out last month...it looked great. Here a few photos of the new build which will sport a big (except in Noyzee's world of 1.95 Ratios and .750) but still : 254/266 .646/.623 114.1
Dave has agreed to build me a DP (wet) and ill keep my plate for a second stage for some sort of finish line blast if I require a bit more on the big end!
Dave has agreed to build me a DP (wet) and ill keep my plate for a second stage for some sort of finish line blast if I require a bit more on the big end!
Robert
Originally Posted by Robert56
Very freaking nice, yes that's going to be a true beast. how long till it's back in car and running?
Robert
Robert
