What do you think happend to my lt1?? - LS1TECH - Camaro and Firebird Forum Discussion



LT1-LT4 Modifications 1993-97 Gen II Small Block V8

What do you think happend to my lt1??

Reply
 
Thread Tools Search this Thread
Old 09-12-2017, 09:25 PM   #1
Staging Lane
Thread Starter
 
Join Date: Feb 2017
Posts: 58
Default What do you think happend to my lt1??

So i just put some new coolant in it and i went to drive it and it was driving fine and i floored it and it (downshifted or whatever it does)started pulling then i heard a POP then the engine shut off and i rolled to the side of the road and i tried starting it and it had spark but wouldn't start.??

i think maybe transmission has not been very good in this car i believe..

1995 z28
bobby678 is offline   Reply With Quote
Old 09-12-2017, 09:38 PM   #2
On The Tree
 
Join Date: Nov 2010
Location: Lake Villa IL
Posts: 112
Default

Going to need some more details.. any check engine lights? Where did the pop come from?
z28jimmy is offline   Reply With Quote
Old 09-12-2017, 09:42 PM   #3
Staging Lane
Thread Starter
 
Join Date: Feb 2017
Posts: 58
Default

Quote:
Originally Posted by z28jimmy View Post
Going to need some more details.. any check engine lights? Where did the pop come from?
yes ''check gauges'' and engine service soon

the pop felt like it came from underneath me the car has been shifting hard from 1st to 2nd since ive bought it and lately when i left off the brakes from a stop it has been kind of ''clicking'' from what i thought was the trans, the kind of clicking that you get when you shift the car from park to reverse, ect.
bobby678 is offline   Reply With Quote
Old 09-13-2017, 06:21 AM   #4
TECH Junkie
 
shbox's Avatar
 
Join Date: Dec 2008
Location: Little Rock, AR
Posts: 3,849
Default

From the limited information, I'll guess opti rotor failure. Check for spark at the coil and then at some plugs.
shbox is offline   Reply With Quote
Old 09-13-2017, 09:28 AM   #5
Village Troll
iTrader: (2)
 
SS RRR's Avatar
 
Join Date: Oct 2002
Location: Jackstandican
Posts: 8,857
Default

Check the simple things first. Make sure your timing chain didn't snap (it's happened before) by rotating the engine and watch through the oil fill to see if your rockers move. If that checks out, go right for the opti. The SES and CG lights are only because the engine isn't running. For the engine to shut off immediately is either mechanical or the opti, IMO.
SS RRR is offline   Reply With Quote
Old 09-13-2017, 09:49 AM   #6
Launching!
 
Join Date: Sep 2005
Posts: 203
Default

Quote:
Originally Posted by shbox View Post
From the limited information, I'll guess opti rotor failure. Check for spark at the coil and then at some plugs.
was it like this...

Heatmaker is offline   Reply With Quote
Old 09-13-2017, 10:03 AM   #7
Staging Lane
Thread Starter
 
Join Date: Feb 2017
Posts: 58
Default

Quote:
Originally Posted by Heatmaker View Post
yes actually it sounded just like that , i think the car was revving a bit high for 1st gear. what kind of damage could have been done to the engine from a opti fail?
bobby678 is offline   Reply With Quote
Old 09-13-2017, 11:03 AM   #8
Village Troll
iTrader: (2)
 
SS RRR's Avatar
 
Join Date: Oct 2002
Location: Jackstandican
Posts: 8,857
Default

Quote:
Originally Posted by bobby678 View Post
yes actually it sounded just like that , i think the car was revving a bit high for 1st gear. what kind of damage could have been done to the engine from a opti fail?
Just fuel igniting where it shouldn't/backfire either through intake or exhaust. Worse case through intake is it could blow out the diods on the MAF or damage your air filter.
SS RRR is offline   Reply With Quote
Old 09-13-2017, 12:33 PM   #9
TECH Junkie
 
Join Date: Apr 2008
Posts: 3,536
Default

OP

from this side of the internet it sounds like the rotor in the Opti came off because the two VERY small screws cam out.

Once you take Opti off and pull the cap you would immediately see if this happened. Just use blue loc tite on the screws and put it back together.

you may also have tranny issues related to that other sound...but that won't prevent a engine from running
BALLSS is offline   Reply With Quote
Old 09-13-2017, 02:56 PM   #10
Launching!
 
Join Date: Sep 2005
Posts: 203
Default

It's a simple repair though. When you pull the opti out replace the motor with an LS1 and that should solve your Opti problems for good.
Heatmaker is offline   Reply With Quote
Old 09-13-2017, 07:04 PM   #11
Staging Lane
Thread Starter
 
Join Date: Feb 2017
Posts: 58
Default

Quote:
Originally Posted by Heatmaker View Post
It's a simple repair though. When you pull the opti out replace the motor with an LS1 and that should solve your Opti problems for good.
''LT4 Pride'' come one man! hahah
bobby678 is offline   Reply With Quote
Old 09-13-2017, 08:41 PM   #12
On The Tree
 
Join Date: Nov 2010
Location: Lake Villa IL
Posts: 112
Default

Quote:
Originally Posted by Heatmaker View Post
It's a simple repair though. When you pull the opti out replace the motor with an LS1 and that should solve your Opti problems for good.
z28jimmy is offline   Reply With Quote
Old 09-14-2017, 07:40 AM   #13
Staging Lane
 
Join Date: Jan 2017
Location: Clemmons, NC
Posts: 62
Default

Definitely check to make sure the engine is not physically damaged. Really sounds like an opti to me though can you scan for any codes? Code 16 or 36 means the opti is damaged
aroberson77 is offline   Reply With Quote
Old 09-18-2017, 11:53 PM   #14
8 Second Club
iTrader: (2)
 
fex77k's Avatar
 
Join Date: Sep 2006
Location: AR
Posts: 1,628
Default

Quote:
Originally Posted by Heatmaker View Post
It's a simple repair though. When you pull the opti out replace the motor with an LS1 and that should solve your Opti problems for good.
Yea once you say 4th gen LS1 intake or fuel rails you get screwed. Had to use a fast to keep the factory hood, since I couldn't find a GM one in my area.
fex77k is offline   Reply With Quote
Reply

Related Topics
Thread Thread Starter Forum Replies Last Post
HELP!!! No Crank no Start! WS6GMguy PCM Diagnostics & Tuning 5 08-01-2017 11:08 PM
LS1 low idle KonkeyDong Fueling & Injection 3 03-02-2017 05:33 PM
Wide open it goes no where, no power. LS1 pwrd NOVA New LS1 Owners - Newbie Tech 16 02-13-2017 07:38 PM
No start demondog2007 Pontiac GTO 2004-2006 2 09-07-2016 09:40 PM
Lsx engine starts fine cold but after driving it starts then dies Twinchargedlsx PCM Diagnostics & Tuning 1 01-24-2016 12:47 PM


Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off



All times are GMT -5. The time now is 05:29 AM.


 
  • Ask a Question
    Get answers from community experts
Question Title:
Description:
Your question will be posted in: