Couple Noob Piston Q's
09-05-2005, 11:28 AM
#1
Couple Noob Piston Q's i have found most of what im looking for, but i have a couple of what i think are noobie questions, so please bare with me.
LS1, LQ4, LQ9....do they use the same pistons? or is there a different bore, or anything else?
72cc head, and pistons witha 23cc dish, what would the resulting CR be?
again, sorry for the noob type questions, but i appreciate the help.
Russ W
LS1, LQ4, LQ9....do they use the same pistons? or is there a different bore, or anything else?
72cc head, and pistons witha 23cc dish, what would the resulting CR be?
again, sorry for the noob type questions, but i appreciate the help.
Russ W
09-05-2005, 11:45 AM
#2
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They use the same pistons, they can be different bore (LQ4/9 is 4.00 stock)
What head gasket and bore and stroke? You will need that info to figure out your compression ratio.
What head gasket and bore and stroke? You will need that info to figure out your compression ratio.
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09-05-2005, 06:05 PM
#8
1 more question...I am having trouble rods that are 6.200". Cant seem to find them anywhere. You guys have any idea where they'd be purchased from? Would that make a difference in the CR ratio? Sorry again, I just need this info, and searching isnt resulting in the answers i need.
09-05-2005, 06:22 PM
#9
You can use a thinner head gasket. But I would reccomend pistons with less of a dish and heads with a smaller combustion chamber. Milllng the heads is more for when you want to raise the CR for a NA motor. There are cheaper ways to get the right CR from the start, like the right pistons and the right heads.
09-05-2005, 06:29 PM
#10
I know, there is just a good deal right now, and i wanted to figure out if it was worth going after or not. The motor is still in the planning stages, so i am trying to figure out if i can use these pistons or not. Hence all the questions. If I went with 64cc heads, and a slightly thinner HG, that should put me near an area i want to be. That is something i can easily do. I am having a problem finding the correct rods to go with them right now. I dont want to buy something if I cannot not use it....thats why i am here trying to figure it out. Thanx for the help, it all is appreciated.