the diff between lq4 and ls1
the diff between lq4 and ls1 hey guys I have a complete lq4 and a extra set of ls1 with comp 918 springs and was planing on getting a set of harland sharp rockers.I was also going to have them ported but I don't know if the pushrods from the lq4 heads will work or maybe the lq4 heads are better all together.So how about it I know the ls1 heads are alum and the lq4 iron but what about the valve's ,the chamber cc will they raise the compression ratio and which one would flow better? Any info would be great thanks in advance
the stock lq4 head is better than ANY fbody ls1 head. they flow more but have larger chamber, if anything install the 918's on the 317 after u have them milled for more compression. stock chamber for 317 is 71cc
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i would raise the CR with pistons instead of getting heads with a smaller combustion chamber. you want a big combustion chamber because it will prevent knock to a point.
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