Is it safe to run LT4 springs with these cams?
#1
Is it safe to run LT4 springs with these cams?
I know the LT4 springs are good to .525 lift. I was looking at the cc503 and cc305 cam shafts. With 1.5 rockers, the most lift both of these cams would see is .510 lift. Would it be ok to run the lt4 springs wiht these cams? I am wonder if the ramp rates of these cams would have any negative effects on the lt4 springs.
#2
Re: Is it safe to run LT4 springs with these cams?
You are failing to consider how the lift is achieved. The HOT cam springs on an LT1 with the HOT cam and 1.6s to produce .525 are marginal at best, with 1.5s the HOT cam is .492. This matters because rocker ratio is easier for the spring to control than the heavy hydraulic roller lifter being lifted higher.
Leave the LT4 springs to stock cams with 1.6s if going with a real cam get real springs.
Leave the LT4 springs to stock cams with 1.6s if going with a real cam get real springs.
#4
Re: Is it safe to run LT4 springs with these cams?
Originally Posted by Steve0
I know the LT4 springs are good to .525 lift. I was looking at the cc503 and cc305 cam shafts. With 1.5 rockers, the most lift both of these cams would see is .510 lift. Would it be ok to run the lt4 springs wiht these cams? I am wonder if the ramp rates of these cams would have any negative effects on the lt4 springs.
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