lq9/ls3 top end conversion
lq9/ls3 top end conversion Okay guys. I'm sticking my 370 lq9 in a s13 240sx 
. However, I'm having a bit of trouble deciding which route would be the best as far as the engine. I'm almost positive i'm going with the 233/239 cam from Texas Speed on a 114 lsa. I'm in the process of getting rid of the 317's and swaping on a pair of ls3 heads(stock valves, unported, dual valve springs etc.).
For starters, my question is: Will the stock ls3 intake and injectors/fuel rail support this cam/engine set up? I'm not looking to squeeze out hp numbers (since the car weighs about 2500lbs I'm not really too concerned) but I don't want to unnecessarily inhibit anything here.
Also, care to chime in on the cam selection or any potential problems you can see with this set up if you'd like! I'd like all the feedback I can get.
. However, I'm having a bit of trouble deciding which route would be the best as far as the engine. I'm almost positive i'm going with the 233/239 cam from Texas Speed on a 114 lsa. I'm in the process of getting rid of the 317's and swaping on a pair of ls3 heads(stock valves, unported, dual valve springs etc.). For starters, my question is: Will the stock ls3 intake and injectors/fuel rail support this cam/engine set up? I'm not looking to squeeze out hp numbers (since the car weighs about 2500lbs I'm not really too concerned) but I don't want to unnecessarily inhibit anything here.
Also, care to chime in on the cam selection or any potential problems you can see with this set up if you'd like! I'd like all the feedback I can get.
Well that's good news! The engine is a 2009. Am I going to need to do anything special with the swap as far as the reluctor wheel is concerned? Or does the wiring harness I use make the difference? I planned on using a 99+ computer and wiring harness from an F body and modifying it as needed..
Well that's good news! The engine is a 2009. Am I going to need to do anything special with the swap as far as the reluctor wheel is concerned? Or does the wiring harness I use make the difference? I planned on using a 99+ computer and wiring harness from an F body and modifying it as needed..
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Engine Damn that's a good point. I never thought of that.. The guy I bought it from just called it that and since it was a 6.0 I never thought to think otherwise. The code on the metal plaque thing says GMC so this must be a from a Sierra/yukon? I'll attach the file of the plaque. Does anyone have a link to specs of the engine? Or know the reluctor wheel that these have? I have found some info but not very much. I'm now assuming this is a gen IV engine... Any help would be appreciated.
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Verdad Gallardo The color of the crank sensor will tell if its 58 or 24x.
The timing chain cover will indicate if it has VVT.
If it is an iron block, 6.0, 58x, with a large valve cover, it's probably an LY6.
The timing chain cover will indicate if it has VVT.
If it is an iron block, 6.0, 58x, with a large valve cover, it's probably an LY6.
Okay, I checked the sensor and it's black. The engine has 317's bolted up and I saw it running with those heads before I bought it. Not sure why I just thought of that.. So I'm fairly sure it's a 24x wheel. Looks like I'll be running a conversion box with the heads
LY6 comes factory with the rectangle port Heads I beleive....
These Heads like to flow a ton of air and its nice to see they have been out long enough to start having nice cams out for them.
These Heads like to flow a ton of air and its nice to see they have been out long enough to start having nice cams out for them.
Stock intake works almost as good as a FAST, not worth the swap unless you're wanting every drop out of it.
Is it an iron or aluminum block?
Didn't Ly6 come with L92 heads?
If it is aluminum and 317 heads, I don't think they made a combination like that from the factory, I could be wrong though.
Check my build thread for my setup.
Is it an iron or aluminum block?
Didn't Ly6 come with L92 heads?
If it is aluminum and 317 heads, I don't think they made a combination like that from the factory, I could be wrong though.
Check my build thread for my setup.
Stock intake works almost as good as a FAST, not worth the swap unless you're wanting every drop out of it.
Is it an iron or aluminum block?
Didn't Ly6 come with L92 heads?
If it is aluminum and 317 heads, I don't think they made a combination like that from the factory, I could be wrong though.
Check my build thread for my setup.
Is it an iron or aluminum block?
Didn't Ly6 come with L92 heads?
If it is aluminum and 317 heads, I don't think they made a combination like that from the factory, I could be wrong though.
Check my build thread for my setup.
