Low budget stroker idea...
10-21-2009, 01:41 PM
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Low budget stroker idea... I've been checking a lot of junkyards lately for the going rate of those 4.8/5.3 motors. It looks like they could go anywhere from $200 to $400 including all accessories depending on mileage. On the other hand, those 6.0s still hold their value at anywhere between $1000 to $2000, depending on the mileage. Maybe it is just a Polk County Florida thing... LOL... So a $1000 6.0L motor is still kind of up there and is not exactly budget friendly.
Assuming the 4.8/5.3 block doesn't need an overbore, how easily would an aftermarket 4" crank fit? With a cam in the 220-230 degree range, .580-.600 lift, 112-114 LSA, what kind of rwhp and torque numbers are possible with this budget stroker build? My guess is that this motor's power will peak at 5000 rpms because of the long stroke, and will be very strong on torque. Discuss...
Assuming the 4.8/5.3 block doesn't need an overbore, how easily would an aftermarket 4" crank fit? With a cam in the 220-230 degree range, .580-.600 lift, 112-114 LSA, what kind of rwhp and torque numbers are possible with this budget stroker build? My guess is that this motor's power will peak at 5000 rpms because of the long stroke, and will be very strong on torque. Discuss...
10-21-2009, 02:20 PM
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A 4" stroke crank in one of those would require the use of different rods, and pistons due to the change in compression height. To the best of my knowlege Wiesco is the only company making such pistons. Price it out, but building a complete engine isn't going to save you anymore money then the price difference in the block. Not to mention that other LS engines have a ton more aftermarket support so parts are easier to get and cheaper.
