Ok so I've been thinking about it for a while and l just ordered my LDK And I've been wanting to spray my car I have the stock ko4 on it and it's got bolt ons just wanted to see if anyone here is spraying and has recommendations for me I've been looking at the proton kit from nitrous express. Lmk what y'all think please. Thanks.

 

It will live longer with forged Pistons. I wouldn't personally throw nitrous into a turbo motor without them and expect it to live a long time. I would also run aftermarket forged rods but that's just me. There have been a few ldks that had questionable rods.

 

Your stock ldk wont last long

 

Save ur money and get a zfr

 

be careful with spray i sent a rod thru the block and destroyed a piston on just E47

 

No you did that because of a bad tune most likely. lots of guys run e47 or more on high boost for years with no failure like that.

 

it ran just fine on my lnf for over a year, then 25k on my LDK and bam, rods are from what i read 60 grams lighter than LNF/LSJ rods

 

plus when i pulled apart the engine there were also 3 or 4 busted rockers just laying around in the head, not sure if that lent to engine failure but it sure didnt help.

 

Who tuned you? Were you tuned to run e47? I've been on it 2 years and haven't had issues.

 

i was Rakes tuned at the time but i had him make it conservative, i was at 25psi tapering back to 20 at 6500 at 19 degrees of timing at wot but didnt get full timing till after 4k

 

The sintered rods of the ldk make me nervous (vs forged) but with what I've read that can be just as strong as long as it's done right. I heard there was a bad batch, but other failures were bad tunes.

 

Rakes tuned.... That explains the engine faliure lol

 

you would think so but my LNF loved it, had no issues what so ever with his tune till i put the LDK in, then i was busting rocker arms and obviously a rod thru the block with a broken piston.

 

OP get an egt gauge and watch the temps as you spray and make adjustments as needed with egt changes. It's easy to put to much heat into the cylinders and then boom goes an engine.

a 25psi spike is not a conservative tune on a KO4, 20-21psi max and hold is a conservative tune.

 

Ldk's have slightly higher compression, shouldn't matter but who knows. No engine is the same, probably should have sent James a log to make sure the new motor was as happy as the old.

 

yeah i was going to but because im in AZ and he is in kentucky his logger was telling me i was another $300+ for a new tune cuz it was a new motor. i about shot the bitch, i was like hell no its pretty much the same damn thing, then after that motor blew james contacted me directly to tell me she was full of BS and he would have revised it for free. long story short. i would have had to go to tuscon for revisions and im like 2+ hrs away so found a better tuner who is right down the road a bit and car has been happy ever since just on 91 tho. im not trying my luck on my daily for E47 again till the motor is built

 

Higher compression changes a few little things, combine that with spiking at 25 (I'm assuming around 3200-3500 given the previous rakes tune I've know). I second the if you get a new engine def need to send a new log to your tuner after break in.

 

Did you look at the logs and do u understand what ur looking at?

 

i dont have the ability to i didnt do the logging myself, like i said before logger was 2+hrs away and wanted to charge me to look at it again, and my 25psi was a ramp in i didnt get to 25 till 4krpm, but yes i know a thing or 2 about HP tuners

 

even though the car seems to love it, or seems like its running good, doesn't mean it is. ur pictures look like u had nasty detonation, but I guess it could also have been bad rods as well, but because it was a rakes tune, I wouldn't for sure blame it on rods

 

Hope you learned your lesson about following up on making sure the tune was good after motor swapping. Sorry it was the hard way.

 

Why did you change your original engine for the ldk?

 

I think u need to invest in hptuners with new engine so u can tune easily and also see whats happening with ur car from now on

 

my engine was a porous block so coolant started leaking into oil, car is an 09 sedan but early build date

 

my tuner lives just down the road so when anything weird happens i see him immediately, i have like 30+ revisions to my tune as of now and its forever changing as i change stuff, and my tuner is totally cool with it