spun bearing after 200kms. edelbrock

[mrg666]

Did you, by any chance, replace your crank pulley before the supercharger. Some people had oil pump problems due to installation errors

[casing]

I installed it myself. Been a lisence tech here in Canada for 8+ years. Car was running perfect. My tuner kept giving me revisions after data logs. I had no issues with the car. Lack of oil pressure roasted my bearings yes. But dont understand how it happened after 200 KMs just bad luck on my part.

[casing]

Originally Posted by mrg666

Did you, by any chance, replace your crank pulley before the supercharger. Some people had oil pump problems due to installation errors

No. I installed what came with the kit.thats it.

[mrg666]

Originally Posted by casing

No. I installed what came with the kit.thats it.

IF there are no other mods, that could have probably happened without the supercharger at a later time. If I were you, I would just swap a used engine and reinstall the supercharger again. But I would also make sure that there wasn't any installation errors that can be repeated. I did >25K miles with JRSC already.

[ermax]

Originally Posted by jRuN

Is there a solution to the oiling issues these motors encounter when boosted? Upgraded oil pump, gear? Better pickup tube, baffle? it would be real nice to be able to build the motor and upgrade the oil components and be done with it.. rather than go through the process of building the motor, boosting it and still suffer oiling issues.

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There are a few threads on the forum discussing this. There is a guy who seems to have found a solution which involves a bunch of changes. 1in pickup with much larger screen. Shimmed oil temp sensor so it doesn’t block the oil gallery. Drilled the main feed that feeds the 2/3 rod journals and also increased the size of the grove around the main. He did some other stuff too but it looks like the most beneficial mods were the pickup tube and the mods to the main. I am tempted to buy the killer b pickup as it’s only $130 and easy to install. May do the oil temp shim too.

[kev0]

Originally Posted by ermax

There are a few threads on the forum discussing this. There is a guy who seems to have found a solution which involves a bunch of changes. 1in pickup with much larger screen. Shimmed oil temp sensor so it doesn’t block the oil gallery. Drilled the main feed that feeds the 2/3 rod journals and also increased the size of the grove around the main. He did some other stuff too but it looks like the most beneficial mods were the pickup tube and the mods to the main. I am tempted to buy the killer b pickup as it’s only $130 and easy to install. May do the oil temp shim too.

Do you have a link to the pickup tube and other mods?

[ermax]

Originally Posted by kev0

Do you have a link to the pickup tube and other mods?

The thread is here:

http://www.ft86club.com/forums/showthread.php?t=135294

He used the pickup from a 2JZ which is a little bigger than the Killer B but here is a link to the killer b pickup:

https://www.killerbmotorsport.net/ul...ickup-brz.html

[AndreC]

Is there a check valve for the PCV with the Edelbrock kit?

Maybe pressure buildup in the crankcase causing oil loss, and subsequently a dry bearing?

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[Grady]

Originally Posted by AndreC

Is there a check valve for the PCV with the Edelbrock kit?

Maybe pressure buildup in the crankcase causing oil loss, and subsequently a dry bearing?

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Yep that is it. He boosted his crankcase!

[casing]

Originally Posted by Grady

Yep that is it. He boosted his crankcase!

I am pretty sure this it what happened. It was mostly my fault. My shitty gas mixed oil I believe washed down my cylinders causing my compression rings not to seal essentially boosting my crank case. Blew out the seal and loss oil pressure.

[Elliotw]

Originally Posted by Grady

Yep that is it. He boosted his crankcase!

How much HP is that good for?

[Matt@Cosworth]

just my two pennies worth
but if you do anything but drive to the shops in these cars go to 5W30 full ester synthetic
the 0W20 is just for fuel economy ( it even says in the manual to use 5W30 for 'hard use')

they are also prone to oil surge problems so sticky tyres , so just about anything over the stock hard as nails primacies will start ot give oil pickup issues
fit a baffle plate or deeper sump . lower pick up etc etc
you can also make a good gain by porting the oil galleries in the front cover as there's a couple of sharp edges / turns in there that create a pressure drop

[kev0]

Originally Posted by Matt@Cosworth

just my two pennies worth
but if you do anything but drive to the shops in these cars go to 5W30 full ester synthetic
the 0W20 is just for fuel economy ( it even says in the manual to use 5W30 for 'hard use')

they are also prone to oil surge problems so sticky tyres , so just about anything over the stock hard as nails primacies will start ot give oil pickup issues
fit a baffle plate or deeper sump . lower pick up etc etc
you can also make a good gain by porting the oil galleries in the front cover as there's a couple of sharp edges / turns in there that create a pressure drop

I'm a newb but how does tyre grip correlate with oil pickup?

[Matt@Cosworth]

more tyre grip means more lateral 'G' which means the oil moves around more inside the engine typically 1 G = 45 Degrees of slope which can mean the oil moves away from the pickup and so the pump pulls in air and KaBoom!