Blown 4-banger

No, the stock ss s/c rods are rated to like 450-500 hp. There based off the Pink rods for the small block chevy. The stock rods are forged, and people don't give them enough credit, just because they are stock. Think about this, have you EVER heard of stock LSJ rods failing? I sure haven't, many people have had pistons fail, put forged pistons, and never have any more problems. The rods are good, hell Rice eater's crank failed before the rods did!

cobaltBlackss

The build book says not to use them in applications over 300hp. My machine shop said it was not a good idea to use them. I told them that they are similar to sb Chevy pink rods, but they said they would be inadequate. I'm not saying they will fail, I just figure while it's apart why not?

halfj99

good luck, i expect to hear another "i broke my engine" thread from you in the next month or two

victory_red_SS

iTrader: (2)

I think you are confusing the 2.2 build book with the LSJ's build book. The 2.0 are forged and will do just fine for most people's needs.

Cobalt_Supercharged

cobaltBlackss

^^^ Thank you, that's what I was refering to.

Blown 4-banger

In the LSJ build book it says the stock rods "...are more than capable of handling 300 hp..."
I can not afford the JBP rip off rods, it would be cheaper to get a set custom CNC machined.

Cobalt_Supercharged

Then again there is also this from the LSJ 300hp build book.

cobaltBlackss

Yeah I saw that too... It seems like there is so much conflicting info out there. I didn't want to take the chance so I just got some eagle rods and had the crank machined.

Blown 4-banger

Had the crank machined? What do you mean? Do you mean you had the crank lightened?

cobaltBlackss

No, the big end (where it attaches to the crank) on the 2.2 rods is not the same size as the big end of the 2.0 rods, it's smaller. My solution was to make the crank fit the rods.

Cobalt_Supercharged

Wow. Not the route I would have gone, but I guess it should work. Make sure you get the right pistons for the rods. They L61 rod is longer than the LSJ rod.

cobaltBlackss

Yeah the only reason i did it that way was because I allready had custom pistons made

Blown 4-banger

Why would you ruin the crank like that and make it weaker?

cobaltBlackss

It's not very much material, maybe .0200

WSFrazier

So did you end up getting any sleeve damage? Any pictures of the piston?

I would wait and save to do it right the first time. You probably don't want to open this motor up again. I know my car has been in the air for 5 months now.

lsjwannabe

iTrader: (1)

so is this 300 hp at the wheels or crank? does anyone besdies jbp make rods for our cars and how much do they run?

WSFrazier

Only JBP makes rods for our cars, price is listed on their site, but it will vary depending on vender. Probably around $800+ USD range.

Blown 4-banger

R-I-P O-F-F

blown06

ok I am starting to follow this thread.... I am running the 2.2 headgasket so if I read everything right then I shouldnt go anything less 9.5:1 because it will increase the chances of detonation?

Red2.4SS/SC

fixed it for you

Cobalt_Supercharged

No. Lower compression decreases the risk of detonation. The more boost you want, the lower the compression. As for the 2.2 gasket you should be ok. It is slightly thicker than the 2.0 gasket so it lowered your compression slightly.

Archie

Damn George! You tell him that the thicker gasket is cool, but I get bitched at by Cameron for throwing out the idea of a slightly thicker gasket! So what's the deal, is it okay on a boosted motor or not?

Cobalt_Supercharged

Thicker is not better, but the difference is very slight with 2.2 and 2.0. The 2.2 Cometic is also design to handle boost though.

Coblt ss super

yo cameron how is the build coming along?, and i showed my cousin your fly by video and he pretty much was like HOLY ****!!!! and im leaving florida guys, talk to you guys when im back in new york peace!!!!