I have been disapointed with most of the XE grinds, I love the cc 305 and cc 306.

I would go cc305.

 

What are you disapointed about just curious?


I still want to know how high you shift each cam at? LT4 vs CC 305 VS CC 503.

 

I shift mine at 6000, my limiter is set at 6300

 

I had some homeported heads to go with the HOTcam, and shifted mine at 6200. It was still making power up there, and I probably could have done 6300-6400 but never tried it.

 

I have heard of CA cars passing smog with the CC503 and a good tune. This
is about the most cam you can pass with in CA, unless you have a 383 or
larger. Check the Impala SS board. There is a thread on this topic.

 

I am pretty sure that any of those cams (LT4, CC305 or CC 503) will pass maryland emissions with a cat.


I still want to know what RPM you guys shift the CC305 and CC 503 at beacase I am also making my decision on how high I want to spin my 120K mile bottom end.

 

I'd think the 503 would fall off first. Although its bigger the XE's tend to fall off earlier than other cams with slower ramps. Also the XE should make more low end power than the others listed.

 

Thank you, i read some posts on that.


Still looking for RPM shift of CC 503 vs CC 305.

 

I can't quite give you an answer to the shift point up top of those cams, but I did however want to remind you to not forget to throw in a nice 2800-3000 stall converter with whichever of those cams you choose...That stall speed won't be very loose w/ your 3.42's and that combo will work great with one of those cams in your daily-driver...You'll be giving up an easy 5 tenths in the full 1/4 staying with the stock converter FYI. And don't forget to throw a B&M tranny cooler in there too...

BTW, has a search yielded any info on where people like to shift these cams? Also, talk to some of the tuners on the board (Madwolf, Bryan @ PCM4LESS, etc.) who set the rev limiters accordingly dependent upon each person's set-up...

Mike

P.S. Is the stock 4L60E still in the car? If so, I'd just have it replaced with a much better built one (FLP Level 4 4L60E or a CPT 4L60E) because I doubt at 120,000 miles it will hold up to much abuse after the stall & cam go in.

 

my stock tranny and bottom end at 127k is very strong, i hit the limiter till ig et my tune. i will most likely set the limiter at 6500 and shift point at 62-6300.

 

Just about everyone with lots of experience in LT1's say they really dont like XE Grinds like the 224/230. I have seen a few perform well, but alot more not even perform satisfactory.

The CC305 is a nice cam, but I'd have to personally say I'd go for the GM 846 above all 3 of these. 222/230 .509/.528 (1.5 ratio). I cant say for sure its going to pass emissions, but since its so close to the CC305 I dont think you'll have a problem.

If any option was open I'd email Bret Bauer and have him make me a cam for exactly what I wanted. He'll squeeze the most possible power out of a emissions friendly cam.

Also look into some better header options. MAC/RK Sport/SLP/AS&M. Make sure you listen to a LM with headers and a cam. I've heard a few, and its not at all entertaining to me. Dont forget all your bolt ons, TC, and gears.

-Dustin-