Adam Poland

I've ran 25psi on Sunoco leaded 110 octane fuel with bone stock internals with no issues. Unless oil pan baffle counts? That was for only a tank though.....but it ran like a bat out of hell. Most of the time I run 17-18 psi on 93 octane and make around 400 rwhp. Only problems I'm having are oil leaks. And, I'm pretty darn stupid when it comes to tuning, so my car is going to the dyno soon to get tuned.

George D

Agree, but I'm trying to help a guy building a 2.5 and sharing my opinion. LR makes great products. No bashing here. You know how it feels to have lag coming out of a corner and it sucks not having power when you want it.

Clown

Thank you guys for your advice! I am reconsidering not installing the oil pan baffle kit or the rods at this point. I think I will put my money towards the items that will increase hp after the engine is put back together. I am now going to aim for 350hp and follow the advice you guys gave me. I really don't want that much lag. Thats not any fun. I will probably buy an alluminum flywheel and new clutch kit instead.

Speaking of the flywheel... those bolts are a pain I stripped the last three of nine last night and I was using the proper four square bit. Now I have to drill them out what a pain. Any other bolts I should be worried about as I take the engine apart?

Bri Bro

Cam bolt

JDS968

Triple square, I think you mean?

Have you tried hammering the bit in? When they strip, it's usually because the bit slips out partially, and so the actual ridges don't strip all the way down...with a hammer you can some times get the bit in far enough to engage those last bits of metal and have one last chance at it.

Chris White

I was just ‘funnin’ you George! -> <-

Chris White

One of the most insightful comments I ever got was from a dyno operator over a decade ago.
I was feeling pretty good about the tune I had just finished and I asked him (he did a lot of turbo engine work) if he thought there was any more power to be made. His answer was “what’s your R&D budget?”. I replied that we could spend several more hours on the dyno if needed. He then replied that wasn’t the issue, if I really want to know what the full limit of the engine was I would have to be able to afford to break it – only then would I really know exactly what the limit was!

The ‘usual’ way to pick correct timing is to look for torque drop off – but if you do this at full power and high boost you will run in to detonation and unless you are very used to tuning and dynos you stand a pretty good chance of damaging your engine.

Chris White

I hope you mean the pressure plate bolts and not the flywheel bolts (both are triple square). Drilling the pressure plate bolts is pretty standard, I usually have to drill at least one. Once the pressure is release the ‘stub’ will come out with just your fingers!

If you go with the aluminum flywheel make sure you get it balanced – and make sure that the reference sender triggers are installed!

Good choice on the 350rwhp target – you will like it! You don’t need a huge turbo to get there.

Clown

Chris/JD968- Yes I meant the pressure plate and yes I was using the tripple square bit not the four square ( I think I made that tool up). Thanks for the tip about hammering I just did not think I had to since the other 6 bolts came out pretty easy....I had my body weight leaning into it pretty hard but I guess that was not enough. They are in there pretty tight. I sprayed pb blaster, I cut a flathead notch in the top with a dremmel and tried twisting with a large flathead driver then hammering screwdriver into one side of the notch to loosen but ended up just pealing the top of the bolt in a counter-clockwise cirrcular motion LOL.

Dea_944t

I always find it easiest to use an impact wrench, seems to get the most stubborn screws loose with less risk of stripping the head.

/Dea

toddk911

Yep, looks a lot like my dyno graph

What boost/mods for that chart?

But look how linear that hp line is???

Oh, if it was laggy that means you were just in too high a gear George! lol

toddk911

Excellent real world data! Thanks for sharing that and showing my post about "octane is key" with these motors was not smoke I was blowing. LOL

Dear Santa,

Please bring me an E85 station!!!!!

Thanks Santa!

Adam Poland

Agree 100%

Chris White

Better tell Santa to add a standalone EMS and some larger injectors to the list….!
They will be needed to get the most out of E85 (actually the EMS mods are needed just to get the engine running in E85)!

toddk911

Well, I know guys like Rogue and some others running E85 have had no issues or needing anything other then to richen up the a/f. It is just 20-25% leaner so you add the fuel and your good. Of course you can also adjust boost and timing to get a spot on tune but in terms of gas vs. e85 all that is needed is a richer tune and yes probably 72# or bigger injectors; but that is it.

Unless I am missing something?