I think motor is blown

Crazy Drywall Guy · 03-09-2022, 06:56 PM

Well I think it's done,added a Procharger@8psi,lt4 fueling,Jms booster ect. Data logging 4th gear to 6800 rpm and the front crank seal blew oil all over the place,huge smoke cloud down the highway. Replaced front crank seal,now when I remove the oil fill cap i can see smoke and feel crank pressure at idle. Going to do a compression test this week, but my guess is Probably ring land gone. What's your thoughts?

95 imp · 03-09-2022, 07:05 PM

Seems the front seal is like that thingie in the Thanksgiving turkey.

When it pops out, you're done!

Sorry for the loss...

What octane fuel were you running?

Crazy Drywall Guy · 03-09-2022, 07:09 PM

Quote:

Originally Posted by 95 imp

Seems the front seal is like that thingie in the Thanksgiving turkey.

When it pops out, you're done!

Sorry for the loss...

What octane fuel were you running?

93 octane,sucks I didn't even get to drive the car,I was still in the data logging/ tuning process

Joshinator99 · 03-09-2022, 07:14 PM

Quote:

Originally Posted by Crazy Drywall Guy

93 octane,sucks I didn't even get to drive the car,I was still in the data logging/ tuning process

Sorry to hear it… 93 octane just doesn’t give you a lot of wiggle room for tuning errors on a stock LT1 short block. Hopefully you can just do some drop-in pistons and rods from GPI and be back in business. I’d go for the one point lower compression setup IMO… just my 2 cents.

Crazy Drywall Guy · 03-09-2022, 07:19 PM

Quote:

Originally Posted by Joshinator99

Sorry to hear it… 93 octane just doesn’t give you a lot of wiggle room for tuning errors on a stock LT1 short block. Hopefully you can just do some drop-in pistons and rods from GPI and be back in business. I’d go for the one point lower compression setup IMO… just my 2 cents.

You know while I have the motor out....... Might as well do a cam,ported heads,new torque converter and on and on.

95 imp · 03-09-2022, 07:20 PM

Quote:

Originally Posted by Joshinator99

Sorry to hear it… 93 octane just doesn’t give you a lot of wiggle room for tuning errors on a stock LT1 short block. Hopefully you can just do some drop-in pistons and rods from GPI and be back in business. I’d go for the one point lower compression setup IMO… just my 2 cents.

+1

arpad_m · 03-09-2022, 07:25 PM

Quote:

Originally Posted by Crazy Drywall Guy

You know while I have the motor out....... Might as well do a cam,ported heads,new torque converter and on and on.

Sorry to hear about your motor, looks like you drew the short straw

As you said, though, there is a way to turn this into lemonade (just check my signature, heh)

Joshinator99 · 03-09-2022, 07:57 PM

Quote:

Originally Posted by Crazy Drywall Guy

You know while I have the motor out....... Might as well do a cam,ported heads,new torque converter and on and on.

Quote:

Originally Posted by arpad_m

Sorry to hear about your motor, looks like you drew the short straw

As you said, though, there is a way to turn this into lemonade (just check my signature, heh)

That’s the spirit fellas.

Crazy Drywall Guy · 03-09-2022, 08:13 PM

Quote:

Originally Posted by Joshinator99

That’s the spirit fellas.

What's a few thousand more dollars on top of the few thousand already spent...... This thing is making me sick

ZO6Ted · 03-09-2022, 08:20 PM

Brings back memories of cold dense air and 8.5 lbs turbo'd on 93. Same result. What Josh said, however GPI is backordered on those currently. I'm waiting as well. Really, really sorry!

LT1ornothing · 03-09-2022, 09:13 PM

Would a good tune on E60 instead of 93 oct have prevented this?

Crazy Drywall Guy · 03-09-2022, 09:20 PM

Quote:

Originally Posted by 1LEornothing

Would a good tune on E60 instead of 93 oct have prevented this?

Possibly...... I think I had about a gallon of e-85 mixed with it from before adding the procharger bringing it to 10%,but obviously not enough

We had adjusted the tune with my tuner couple times before going high rpms.

LT1ornothing · 03-09-2022, 09:25 PM

Quote:

Originally Posted by Crazy Drywall Guy

Possibly...... I think I had about a gallon of e-85 mixed with it from before adding the procharger bringing it to 10%,but obviously not enough

We had adjusted the tune with my tuner couple times before going high rpms.

This is extremely concerning, I have an ecs kit ready to bolt on with 2" catless longtubes. Only looking for 8 lbs sbe with full lt4 fuel system, flex fuel e60. Really starting to feel like a roll of the dice.

Crazy Drywall Guy · 03-09-2022, 09:30 PM

Quote:

Originally Posted by 1LEornothing

This is extremely concerning, I have an ecs kit ready to bolt on with 2" catless longtubes. Only looking for 8 lbs sbe with full lt4 fuel system, flex fuel e60. Really starting to feel like a roll of the dice.

I knew it was a roll of the dice, maybe I'm jumping the gun before doing a compression test,but when I see blow by out the oil filler it probably means the motor is coming out

03-09-2022, 06:56 PM	#1
Crazy Drywall Guy Drives: 2018 Chevy Camaro 1ss Join Date: Nov 2020 Location: Clare MICHIGAN Posts: 62	I think motor is blown Well I think it's done,added a Procharger@8psi,lt4 fueling,Jms booster ect. Data logging 4th gear to 6800 rpm and the front crank seal blew oil all over the place,huge smoke cloud down the highway. Replaced front crank seal,now when I remove the oil fill cap i can see smoke and feel crank pressure at idle. Going to do a compression test this week, but my guess is Probably ring land gone. What's your thoughts?

03-09-2022, 07:05 PM	#2
95 imp Dumb Ass Deluxe Drives: A Tricked Out Mountain Bike Join Date: Jun 2019 Location: Arizona Posts: 1,959	Seems the front seal is like that thingie in the Thanksgiving turkey. When it pops out, you're done! Sorry for the loss... What octane fuel were you running? __________________

03-09-2022, 08:20 PM	#10
ZO6Ted Old badass Drives: 14GMC 2.9 16GMC Turbos 2020Silv.6.2 Join Date: Mar 2020 Location: Arlington Tx Posts: 240	Brings back memories of cold dense air and 8.5 lbs turbo'd on 93. Same result. What Josh said, however GPI is backordered on those currently. I'm waiting as well. Really, really sorry! __________________ I've had 7 Camaro's. All gone...for now. Current build in progress 2016 GMC4x4 RCSB twin hair dryers ~1k whp fbe port inj 1/8 mi & stealth street terror

03-09-2022, 09:13 PM	#11
LT1ornothing Drives: 2020 LT1 M6 Join Date: Jan 2016 Location: South, the DEEP south Posts: 1,114	Would a good tune on E60 instead of 93 oct have prevented this?

User Name		Remember Me?
Password