Why you dont cheap out on rods on a rebuild.
#1
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Why you dont cheap out on rods on a rebuild.
So I was tearing down the spare 2001 motor I have in my shed today... (got it from fmowry who purchased the car from Robbi Laurenson who ran a haltech and water injection and maybe around 250 rwhp if I recall all that correctly) and pulling out the pistons to send across the pond and found this:
Yes that's right folks! FOUR BENT RODS. Not sure if this matters, but 1 and 4 were bent in the plane of the rod and 2 and 3 were bent out of plane.
I think the motor had less than 650,000 miles on it at this point. frank can pipe up on that though. Everything else looks great. No serious wear on any parts or surfaces.
go figure.
go get rods for your build for $300.
Yes that's right folks! FOUR BENT RODS. Not sure if this matters, but 1 and 4 were bent in the plane of the rod and 2 and 3 were bent out of plane.
I think the motor had less than 650,000 miles on it at this point. frank can pipe up on that though. Everything else looks great. No serious wear on any parts or surfaces.
go figure.
go get rods for your build for $300.
#7
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I bet neither owner of the car had any clue that there was something wrong. There's really no way to know that the rods look like that until you tear it down.
a bent rod that's only marginally shorter will hardly show up on a compression test...
a bent rod that's only marginally shorter will hardly show up on a compression test...
#10
I buy nothing but 90-93 to turbo. Bone stock motors, as old as they are. I never work on them. They Run great and hold up well to boost. psi for psi, I would tear up the honda's.
Yea the new motors are startig to carry more power. But will they have the legacy that these have had. I doubt it.
For the dated technology on these motors, they still hold their own. And if clean, N/A and under 190,000 miles are usually still very dependable.
#12
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that's just it, the pistons look pristine
There's no broken lands or pitting or any obvious signs of repeat offending detonation. plus as I mentioned, there was a water injection system hooked up.
I think the rods were just designed for no boost.
There's no broken lands or pitting or any obvious signs of repeat offending detonation. plus as I mentioned, there was a water injection system hooked up.
I think the rods were just designed for no boost.
#14
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Bent two (killed one) of the four stock rods in my stock engine last year (as some of you may remember). Everyone was quick to blame detonation, but I do not think that is what did it. I think it was 16 psi with a GT2560 on a cold morning
Too much power = too much cylinder pressure = too much compression load on the stock rods = Euler column bucking (a.k.a. bent rods).
225 < Too much power < 300 WHP (based on anecdotal evidence, assuming stock redline).
Too much power = too much cylinder pressure = too much compression load on the stock rods = Euler column bucking (a.k.a. bent rods).
225 < Too much power < 300 WHP (based on anecdotal evidence, assuming stock redline).
#18
Best 4-banger?
Billet block, 55 psi, 4,000hp. I win.
Norwood Racing's 4,000 hp Max-4 Integra - Tech Review - Turbo Magazine
Billet block, 55 psi, 4,000hp. I win.
Norwood Racing's 4,000 hp Max-4 Integra - Tech Review - Turbo Magazine