hey fellas, im looking into running mti g1 cam. specs are 228/232. i dont know if i should go 113, 112, 114 lsa. my car is a daily driver all street. it will never see the track. would you think it will be best to run pp ls6 heads or prc 5.3..car is an auto. and will probably run a 3200-3600 stall. i would like to make the most hp... thanks..

 

I'd go with a Futral Motorsports F-13 cam and the new Dart heads along with a 3600 stall and 3.73 gear.

Mike

 

[QUOTE=Kraest]I'd go with a Futral Motorsports F-13 cam and the new Dart heads along with a 3600 stall and 3.73 gear.

Mike[/QUOTE
I know you have had great success with the futral cams.... but if you look on ls1 tech you will see alot of people with trashed engines from these cams.It seems that there is some issues with the hardening process from the manufacturer.I would hold off on buying futral cams until this issue is resolved,with the reputation that this company has as being one of the best in the bussiness,I'm sure they will get to the bottom of this.

 

i dont really wanna go bigger than that 228/232. my car is a daily driver all street. and also, i have been hearing some bad stuff bout futral and his cams lately. i gotta go with people whos been in the business for a long time. but i wanna stick to the 228/232. its pretty close to the LG G5X1, F11. i just dont know if i should go prc 5.3 or patritot heads?

 

People are having problems with too much lifter preload, pushrod length, using old lifters, etc. The cam thing is a buncha BS if you ask me. Every Futral car that had a cam install done by Futral never had problems with the cams. Any car that had a cam install done by an amateur had a problem down the line. Coincidence? I think not. This IS the internet, where everyone is an automatic engine builder when they visit ls1howto.com and try to install their own internal engine components.

The cam grinder is Cam Motion, btw, which would affect all of Cam Motion's cams....they have ALOT of vendors out there (Thunder Racing being one of them), so if there really WAS a problem, don't you think it would show up on more than just Futral cams?

People want to misinstall stuff and automatically blame it on a vendor. I honestly doubt most of the people who are bitching installed new lifters in their cars or ported the oil pumps, which NEED to be done on an aggressive cam design. Don't even get me started on incorrect pushrod length and lifter preload.

Mike

 

i would say since you want a street, daily-driveable setup, you should stick with the higher 114 lsa. that will give you a more tollerable idle.

although it will shift your power peak a little higher.

not sure what the runner size is on those heads you list, but i think the 5.3s from prc are pretty big. that will give you great top end power, and impressive peak numbers, but at the expense of low and mid range power.

personally i would look into something like the Dart 205 heads, they still flow 300+ at .600" lift and have the smaller runner design to boost low end power, which is great for the street.

i've also seen some ported LS6 heads around that had 215cc runners. but i'm not sure where it was.

 

I understand where you are comming from and you brought up a lot of valid points and you might be right about the pushrod lengths and stuff but ... don't you think it's a little strange it seems to be happening mostly with futral cams?I mean what are the odds of everyone who has had a problem with this not know a thing or two about proper cam installs?I'm not putting down anyone or their products, but it is possible that they have a problem at this point and time, thats all!

 

I think the base circle on those cams is smaller than stock, so you need to adjust pushrod length and preload accordingly. What's more than likely happening is the lifters are coming up and skimming along the surface of the cam at high rpms and causing the damage.

Also, there's an oiling issue with stock lifters and stock oil pump. Porting/upgrading the pump will solve the problem, as will upgrading the lifters.

 

What lifters would be your suggested upgrade?

 

114 vs 112 will move power down the rpm scale not up. But I too would recommend the 114 for the idle. My cam is a 228-236 high lift on a 112 ground 2° advanced and I'm having problems tuning idle in gear.
I also agree on the heads. You want a head that flows well thru small runners to keep the low end torque up. I have stage 1 LS1 heads and the above cam and it's a holly terror down low but peters out at about 6500.

 

"114 vs 112 will move power down the rpm scale not up"

one of us is confused...probably me.

but doesn't a lower LSA move the power peak lower in the rpm band?

 

The Melling replacements are nice pieces that don't cost much.

 

Thanks.

 

The Morel are much better if you want to spend the $$$.

 

I've got Comp "R" s in mine I was just wondering what were now to be considered better lifters.