LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

New best with crane 210/224

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Old Feb 19, 2005 | 11:12 AM
  #31  
chrism400's Avatar
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Joined: Jun 2003
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From: Dayton, OH
Re: New best with crane 210/224

Originally Posted by disco192
LTs help more across the board, but noticably in top end because of larger primaries.

Whats up with everyone today busting a load over teeny tiny cams? Why not just get a cam like a cc305? It will make more power at EVERY point in the powerband with a TQ curve as flat as the kitchen table. It is a TQ cam and has effectively zero overlap at .05 and has enough duration and lift to have *****.

I understand that some cams are too big for peoples likeings, like I run a 236/242 cam (its in a 383 though). If I let you drive it, you would NEVER go back. Not saying duration is everything, but there is a reason that stock cams are small.

There is a point where you can overcam a car. For example, my friend has a 99ss with a 25x/25x cam in his car and he makes absolutely no power under 4k rpm. It does scream and make sick power (its a dyno queen) but he cant seem to break into the 10s (hes got a forged 383 AFR LS1 putting down 500 rwhp).

It all boils down to what you want out of your engine. For me, I wanted it to lope like a SOB and pull hard from 2500-6500. Emmisions doesnt matter and I know tuning is gonna be hell.

I guess it just goes to show that it is easier to overcam a car than to undercam it....

Didnt mean to rain on anyone's parade, gongrats on the time. Different strokes for differnt folks.
Yes, it is very simple to overcam - especially a hydraulic roller. Many of these cams simpy make power past the usable rpm of a hydraulic lifter unless you use a rev kit, or Comp R's with 170 lbs. of spring pressure at the seat. If you notice, his mph with the tiny cam was 115!!!!!!! That's sick! If he could get that thing to hook up, 11.90's are definitely in reach.

I chose the XE 224/230 because I noticed people with bigger cams, automatics, and stock heads weren't ET-ing better. Yes, they are trapping more but they give up driveability, economy, emissions etc...I think I am overcammed for the fat 12" converter I am using but I planned on upping that in the future so I bought a cheap S-10 one to get me by. While the 115 mph is somewhat unusual (must have some good head work - the 6 speed is also some of that), it's indicative of what a combo that works together is capable of.
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