Cosworth Supercharger Owners Thread - Page 51 - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

weederr33 · 01-01-2017, 03:51 PM

So I'm working on installing the OEM Oil cooler, and after removing the skid plate, I notice this!

I take it, it's a head gasket leak? This wasn't hear last time I went under the engine... which was when I installed the Nameless headers about a year ago.

Teseo · 01-01-2017, 04:09 PM

Try an engine compression

weederr33 · 01-01-2017, 06:17 PM

Quote:

Originally Posted by Teseo

Try an engine compression

What do you mean?

Teseo · 01-01-2017, 06:25 PM

Quote:

Originally Posted by weederr33

What do you mean?

Sorry, i was not clear. If compression of cylinders are lost then you are fuck up. If not, then is an external leak. Also check your coolant if have a milkway color. Prepare for an overhaul and good idea to go forged internals for moar pawa

sly · 01-01-2017, 08:43 PM

Quote:

Originally Posted by weederr33

I take it, it's a head gasket leak? This wasn't hear last time I went under the engine... which was when I installed the Nameless headers about a year ago.

Looks like a valve cover leak to me. Where exactly is this located? Is this the driver or passenger's side?

If it's a head gasket leak, you'll know it. Like said, you may have low compression or antifreeze in the oil which will make it milky. You may even smell antifreeze in the exhaust. If your oil looks fine, then I would clean the engine off and put some UV dye in it. You can get it from Advance, Autozone, Walmart, etc...

Clean everything off at the car wash and then put in a small bottle of dye. Drive it for a few days and then check with a UV light. Most mechanics can do this. They can pinpoint exactly where the leak is and tell you what you need to fix it.

weederr33 · 01-01-2017, 08:56 PM

Quote:

Originally Posted by sly

Looks like a valve cover leak to me. Where exactly is this located? Is this the driver or passenger's side?

If it's a head gasket leak, you'll know it. Like said, you may have low compression or antifreeze in the oil which will make it milky. You may even smell antifreeze in the exhaust. If your oil looks fine, then I would clean the engine off and put some UV dye in it. You can get it from Advance, Autozone, Walmart, etc...

Clean everything off at the car wash and then put in a small bottle of dye. Drive it for a few days and then check with a UV light. Most mechanics can do this. They can pinpoint exactly where the leak is and tell you what you need to fix it.

It's the passenger side. But the leak but be very slow as the gunk on the skid plate looked more like old soot. I'll try the dye. I haven't noticed any smell of antifreeze, let alone the grime associated with a gasket leak. So it could be the valve cover. Any idea at the cost to fix it?

sly · 01-01-2017, 09:05 PM

No idea. But it would be a lot cheaper to fix a valve cover leak than a head gasket. I'd start with the dye and go from there.

Insurme1 · 01-03-2017, 10:39 PM

Can someone tell me the part # for a spare belt? I know I read it here somewhere but can't find it?

weederr33 · 01-04-2017, 11:42 AM

Quote:

Originally Posted by Insurme1

Can someone tell me the part # for a spare belt? I know I read it here somewhere but can't find it?

It's the Gates 6PK2315

Matt@Cosworth · 01-05-2017, 05:28 PM

If you've not been losing coolant its certainly an oil leak from either the rocker cover or the front cover
there's no actual gasket for either both are sealed with sealant

weederr33 · 01-20-2017, 05:15 PM

OEM Oil Cooler, via the capped off throttle body pieces was installed today. Wasn't very hard. The only problem was trying to bleed the coolant since the supercharger throttle body is directly over the bleeder.... Otherwise, looks great with the Stage 2 kit!

Insurme1 · 01-30-2017, 10:46 PM

Matt, was this pulley ever produced?

ajc209 · 01-31-2017, 02:08 AM

Quote:

Originally Posted by weederr33

OEM Oil Cooler, via the capped off throttle body pieces was installed today. Wasn't very hard. The only problem was trying to bleed the coolant since the supercharger throttle body is directly over the bleeder.... Otherwise, looks great with the Stage 2 kit!

It will be fine for road use, but I think that cooler will benefit from a direct water supply from block as per the forester setup it was taken from. Its not really designed to use the throttle body feed.

I will be interested what you oil temp settles to on the highway. Do you have the low temp theromstat?

weederr33 · 01-31-2017, 10:17 AM

Quote:

Originally Posted by ajc209

It will be fine for road use, but I think that cooler will benefit from a direct water supply from block as per the forester setup it was taken from. Its not really designed to use the throttle body feed.

I will be interested what you oil temp settles to on the highway. Do you have the low temp theromstat?

I do have the Cosworth low temperature thermostat. I did attempt the engine block option but stripped the hex bolt when trying to unscrew it unfortunately. Which is why I went the throttle body route. I'll do some data logging on the Temps soon and post them up for sure.
Since I don't really track my car, it should be OK for now.

01-01-2017, 03:51 PM	#701
weederr33 Airborne at your service Join Date: Sep 2014 Drives: '17 BRZ Series.Yellow Location: El Paso, Texas Posts: 6,325 Thanks: 4,528 Thanked 5,586 Times in 2,928 Posts Mentioned: 33 Post(s) Tagged: 2 Thread(s)	So I'm working on installing the OEM Oil cooler, and after removing the skid plate, I notice this! I take it, it's a head gasket leak? This wasn't hear last time I went under the engine... which was when I installed the Nameless headers about a year ago. __________________ Series.Yellowbird - http://www.ft86club.com/forums/showthread.php?t=122135 MS, CSCS, TSAC-F, CPT

01-20-2017, 05:15 PM	#711
weederr33 Airborne at your service Join Date: Sep 2014 Drives: '17 BRZ Series.Yellow Location: El Paso, Texas Posts: 6,325 Thanks: 4,528 Thanked 5,586 Times in 2,928 Posts Mentioned: 33 Post(s) Tagged: 2 Thread(s)	OEM Oil Cooler, via the capped off throttle body pieces was installed today. Wasn't very hard. The only problem was trying to bleed the coolant since the supercharger throttle body is directly over the bleeder.... Otherwise, looks great with the Stage 2 kit! __________________ Series.Yellowbird - http://www.ft86club.com/forums/showthread.php?t=122135 MS, CSCS, TSAC-F, CPT

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01-01-2017, 04:09 PM	#702
Teseo Senior Member Join Date: Jun 2014 Drives: frs Location: Gunsai Posts: 4,877 Thanks: 7,145 Thanked 2,922 Times in 1,769 Posts Mentioned: 23 Post(s) Tagged: 2 Thread(s)	Try an engine compression

01-01-2017, 09:05 PM	#707
sly Senior Member Join Date: Dec 2015 Drives: 2016 Cosworth 2.2 BRZ Location: TN Posts: 302 Thanks: 81 Thanked 185 Times in 112 Posts Mentioned: 10 Post(s) Tagged: 0 Thread(s)	No idea. But it would be a lot cheaper to fix a valve cover leak than a head gasket. I'd start with the dye and go from there.

01-03-2017, 10:39 PM	#708
Insurme1 Member Join Date: Feb 2014 Drives: 2013 Scion FR-S 10-Series Location: Troy, AL Posts: 65 Thanks: 116 Thanked 9 Times in 7 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	Can someone tell me the part # for a spare belt? I know I read it here somewhere but can't find it?

01-05-2017, 05:28 PM	#710
Matt@Cosworth Senior Member Join Date: Dec 2015 Drives: blue - Cosworth SC stage 3.0 Location: Northants - UK Posts: 330 Thanks: 3 Thanked 388 Times in 182 Posts Mentioned: 34 Post(s) Tagged: 1 Thread(s)	If you've not been losing coolant its certainly an oil leak from either the rocker cover or the front cover there's no actual gasket for either both are sealed with sealant

01-30-2017, 10:46 PM	#712
Insurme1 Member Join Date: Feb 2014 Drives: 2013 Scion FR-S 10-Series Location: Troy, AL Posts: 65 Thanks: 116 Thanked 9 Times in 7 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	Matt, was this pulley ever produced?

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