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Performance Rods for 1.6 16valve?

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mudfkr

Re: Performance Rods for 1.6 16valve?
« Reply #15 on: January 15, 2006, 03:54:27 PM »
Wild, Zaggy & Rhino,

What do you think caused this rod to break ?

It doesn't have any obvious signs of lack of oil like bluing the pin or any thing. The rod brake is crystallized all the way across with no area showing any signs of where it started to go.

Seeing this has me concerned now about Mudfkrs doing the same when I'm caning it in the mud to clear the tyres. Don't think I'll let it hit the rev limiter any more   ;D
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Offline wildgoody

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Re: Performance Rods for 1.6 16valve?
« Reply #16 on: January 15, 2006, 04:19:29 PM »
That's an unusual place to break.

I would guess it was fatigue in the rod,
and not a lack of lubrication that caused this.

You might find a lot of piston slap could cause
this kind of damage, every object has it's resonation
frequency, reach that and things go snap
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Offline zaggy

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Re: Performance Rods for 1.6 16valve?
« Reply #17 on: January 16, 2006, 12:30:16 PM »
Looking at the picture........

1) High rpm detonation
2) Excessive rod angle, possibly due to too much clearance

Haven't seen a Suzuki break in that area personally but on very high rpm Nissans I have seen it, or something real similar.

Got yerself a real rare one there.

Zag
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Offline Rhinoman

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Re: Performance Rods for 1.6 16valve?
« Reply #18 on: January 16, 2006, 01:44:50 PM »
Not too easy to see on that pic but the surface finish looks a little rough, maybe it developed a stress crack in a casting pit.  Could have been a candidate for cleaning up and shot peening like Zaggy suggested.
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Offline billybob

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Re: Performance Rods for 1.6 16valve?
« Reply #19 on: January 17, 2006, 08:54:40 AM »
Hey y'all...

just did some research and found that Pauter machine here in San Diego area makes custom HP rods for the 16valve at approx $750. Little pricey... still lookin into the Acura rod rumor.
L8R
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Offline Suzuki1.8

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Re: Performance Rods for 1.6 16valve?
« Reply #20 on: January 17, 2006, 05:54:31 PM »
So wild you say you have 150hp and can run sand dunes in the kick. Mine is horrible on sand it seems to bog down on power on long steep runs. I have 120 stock with the 1.8 and plus i got chip intake cam exhaust. I wonder how much lighter the 2 dr is compared to the 4dr.
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Offline zaggy

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Re: Performance Rods for 1.6 16valve?
« Reply #21 on: January 17, 2006, 09:21:52 PM »
Hey Suzuki 1.8

     You're running a lowered 22" rim Sport in the dunes? I would think bogging would,nt be the biggest problem. (lol)

     Your Sport is around 6-700lbs heavier than a stock 2dr 8 valve so thats part of it. The other part will be Wild's boost........bigger torque across the range, and I think he has some decent gears.

     You just need a little more snort to catch up with him and I think about 30hp and a tire/gear combo would do it.

Zag
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Offline wildgoody

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Re: Performance Rods for 1.6 16valve?
« Reply #22 on: January 17, 2006, 09:37:31 PM »
Ya, I run 33" tires 5.83 gears, which bring me
lower than stock gears and tires. Add the weight
of the 2 door at 2500 Lbs plus me at 200 lbs and
150 HP engine with quite a bit more torque and
you have a monster of a ride, mind you I still will
have a challenge in the big dunes with the buggies,
but I don't have paddles either

So at 2700 Lbs I have about 18 lbs per HP, about the
same as a full size truck with 350-400 HP, and in a much
more capable package.

I expect to be getting about 200-210 HP from the new
engine and lower that to around 12-13 Lb per HP and
increase the dunability also  ;D

BTW 22" tires don't air down well, and the foot print,
is also a big factor, as well as tread pattern


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Offline Suzuki1.8

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Re: Performance Rods for 1.6 16valve?
« Reply #23 on: January 18, 2006, 05:28:31 PM »
Well i don't run the dunes know i'm lowerd and wheels. It was before when i had normal tires. And i only have 20 inch on the sidekick >:( But i been eye balling the new grand because it is bult on a chevy platfrom and has alot more wheel choices so 22 inch is possible. So if i ran a turbo with about 5 pounds of boost would i be over 200hp considering i'm around 140 right now with all my mods?
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Offline wildgoody

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Re: Performance Rods for 1.6 16valve?
« Reply #24 on: January 18, 2006, 06:02:59 PM »
Ya, about that, 5 PSI will give you about a 40-50%
power increase, as long as your EFI system can
supply the fuel to run right.

Compression ratio is the biggest factor in boost
levels, and forged pistons are a must over 5 PSI
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