K20a bottom end failure


kammy11

Well-Known Member
Joined
Nov 24, 2010
Messages
2,132
Alright guys!

So unfortunately the time came in my DC5 whereby I spun a bottom end bearing. Spun two shells, damaged two rods and also potentially the crank hahaha I'm only laughing because if i don't I'll cry!

Anyway so I've kinda came to the conclusion I'm gonna rebuild the engine as the cost of a k20a is quite expensive and a slightly higher risk I think

Kinda in two minds what to do. OEM SPEC bottom end rebuilt? Forged pistons and rods? Or is there much point doing them if I don't upgrade the head. Decisions decisions!

Shout out to @robthedoc too!
 
Why do you think it let go ? Over revved ?

I would stay oem pistons and rod's unless your going boosted.
 
Why do you think it let go ? Over revved ?

I would stay oem pistons and rod's unless your going boosted.

Seems as though the engine was starved of oil man. Strange because it hadn't used barely any if any oil in 6 month then went through almost a full sump such a short time. Checked it on the Sunday and then the damage was a week on Monday so 8 days. Was lucky if it was driven for 100 mile in that period. Happened on the motorway, wasn't wvwn booting it
 
Shitter mate. We've all been there at some point. I'm here again haha.

I'd weigh up the cost of new oem against forged. You may find that you can get forged parts from the likes of realstreetpwrformance or ipg for the same as oe stuff. Maybe not but worth checking.

Also while you have it apart I would be thinking about mods but I'm a bell end so don't listen to me. But... High comp pistons and a set of cams? Means you'll be into kpro and mapping but... If it's apart now and there's a budget for it, it's gonna save you work in the long run.

Alternatively build it back to oe spec and you will basically have a new engine. Once it's fun in you should notice a bit of an improvement in power & torque and also ecconomy.

Really decisions you will have to make yourself but if you need advise or opinions you're in the right place.
 
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