I think he blew a motor with his PES kit before. Not the kit, but the tune likely caused the issue. He had someone local tuning.
Of course. That’s why we built the engine…
Gas here is 91-93 octane
I use 93 with both kits
Issues with Pes has nothing to do with the engine build. Engine was in perfect working conditios; but my plans since the beggining was to get to or close to 500 awhp. So now that I know everything went well Im planning on do that…
No… I never blew the engine or any other part of my car…
Sorry, I may have misremembered.
Maybe that was someone else. There was someone who had engine trouble with a PES kit due to a tuner. Maybe they were in Europe? Anyone else remember? It was like 2012-2013
There was one recently here in the US. A nogaro b6. But he traded it for his friend ford lightning. I’m sure there are more PES failures last couple of years
Dont worry…
be happy
It’s good because now I don’t have to feel bad for you lol. The other guy got screwed pretty bad.
Did JHM ever determine the limits of the stock block? I know rods were limiting factor but wondering if they ever swapped out rods. OP would you mind sharing cost for rods and pistons?
Yes they did, about a dozen times. They set their kit up to 400-450 whp (depends on your mod list)
above 450 it got sketchy. 475-500 is where things failed.
(that’s on stock block)
JHM of course swapped rods lol. Built motor = a gigantic piece of work from JHM. Rods, Pistons, heads, sleeved cylinders…etc.
No; they didnt. But when I talk to them they told they dont think I can reach my goal with stock internals…
Really dont remember the exact price because I pay for them 1 year ag pr more… But Im sure dindt cost more than $3,500 for both rods and pistons
Did you build up the heads too?
Before my current build, I had a full bolt-on motor (minus the SC) and dropped a few valves while on track. Turned the engine into a brick.
Thought it was the rods failing at that point? Not the block itself?
The trouble is that the stock rods have a fairly unique taper on the small end that is a weak point. To install a rod with a more normal design requires pistons with a new design. Going to a new piston design causes issues due to the necessary piston-to-wall clearance and the fact Audi used various piston/ring sets to match the variety of bore diameters (fractions of a mm difference).
Since its such a disaster, its likely best to sleeve with ferrous sleeves, go to a more standard piston and ring composition and solve many of the problems with the 4.2 all at once.
No; dindnt build the heads; but was thinking on doing it… Where do you buy parts for yours???
JHM has the parts.
I was road racing the car when the valves gave up the ghost. Two different cylinders ate valves. I was told that there seemed to be no rhyme or reason why it happened to my engine with only 47k miles on it and all indications pointing to it being healthy at the time of failure. For the record, I did not over-rev, not once. JHM said the engines seemed to be a crap shoot since some fail fairly quick when stressed and others seem to hold together.
David S4, the car looks great!
Are you planning on doing any track visits? I have never been to PR but I would assume that they would have something on the island.
Even after sorting that out then the bearings can be all different sizes. Just incase there weren’t enough monkey wrenches thrown in.