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Old 10-29-2019, 02:52 PM   #326
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Yikes. That reminds me, I need to figure out why my Goldbox MAT sensor always says exactly 70 degrees.
that's easy, because it's not reading the sensor.
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Old 10-29-2019, 02:53 PM   #327
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that's easy, because it's not reading the sensor.
I unplugged the sensor and it dropped to -40(ish, IIRC). Bad sensor? Dunno, wrong thread, my bad.
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Old 10-29-2019, 02:57 PM   #328
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mm treadstone. I have a treadstone core in my v8 wagon, it does well but it's also a bit small (hindsight and what not), it still doesn't get really super hot. The ebay intercoolers seem to be more along the lines of about 3/4 what they're rated at, whereas the garret/treadstone/precision cores seem to be a little bit under rated.
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Old 11-08-2019, 10:09 AM   #329
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So I managed to find another L33 in the junkyard. $120 for a complete shortblock L33. No real changes this time around besides switching to the "dumb" coils and upgrading the intercooler.

My buddy that runs a speedshop was able to get me a TR1245 Treadstone core at cost so I bit the bullet and purchased it. Can't wait to see this work of art in person. Going to need to cut a good amount out of the core support to make it fit but I'm going to do my best to get it to fit.
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Old 11-08-2019, 10:21 AM   #330
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I've heard two different sides to the random discharge story. What's your dwell set at in the ecu? what's it saying in the datalogs going down the track?
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Old 11-10-2019, 10:15 AM   #331
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3.5ms and a 1ms spark duration. I think they might have been getting weak and letting go early when they were approaching 4.5ms total time.

I also noticed on the batt voltage compensation it was adding 4% dwell between 13.3 and 12.0v

A few things combined may have lead to this in the ignition coils.

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Old 11-10-2019, 10:30 AM   #332
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Love this car and the simplicity behind it. Can't wait to see that monster of an intercooler.
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Old 11-10-2019, 09:35 PM   #333
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Love this car and the simplicity behind it. Can't wait to see that monster of an intercooler.
Thanks. Me too! I'd love to stop fixing the damn thing at this point haha. Hopefully this time I can enjoy it for the next 4 or 5 months before I go back overseas. Really dont want it to break again so I probly won't be putting it back in the 9's this year.
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Old 11-10-2019, 09:49 PM   #334
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Thanks. Me too! I'd love to stop fixing the damn thing at this point haha. Hopefully this time I can enjoy it for the next 4 or 5 months before I go back overseas. Really dont want it to break again so I probly won't be putting it back in the 9's this year.
That's understandable, definitely need to enjoy it while you can. Are you PCSing or deploying?
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Old 11-12-2019, 11:27 PM   #335
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Yeah headed back to S. Korea lol
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Old 11-13-2019, 11:23 AM   #336
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3.5ms and a 1ms spark duration. I think they might have been getting weak and letting go early when they were approaching 4.5ms total time.

I also noticed on the batt voltage compensation it was adding 4% dwell between 13.3 and 12.0v

A few things combined may have lead to this in the ignition coils.

drop your dwell to 3 and discharge time to like .5
I'm not really convinced that was your issue though, a lot of the guys that really had problems with it were running much higher dwell
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Old 11-15-2019, 01:57 PM   #337
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drop your dwell to 3 and discharge time to like .5
I'm not really convinced that was your issue though, a lot of the guys that really had problems with it were running much higher dwell
I agree for sure that these aren't aggressive settings by any means really. The main reason I'm suspect of them is because my last set of d585 coils, 367k miles, prior to this worked flawlessly and as soon as I switched to this set, 220k miles, that came with the damaged L33. I've had ignition issues almost the entire time with those coils. Mainly under bigger boost numbers, 18+ psi. Problems I never had with the original set of d585 coils.

Plan moving forward is to install the set of square truck coils I got from 73amc in exchange for my heat sink coils. Gonna turn up the dwell to 4.0ms and leave the 1.0ms ignition time. My thinking for that is the square coils are weaker but won't self discharge so I will try and make up the ignition energy with a SLIGHTLY longer dwell period than the d585 coils had. I think 4ms is still well within the realm of a safe dwell period. I've read about max effective dwell being around 4.8ish ms. Over that there wasn't a measurable increase in spark energy.

I am curious as to the rational of dropping the discharge time from 1.0ms to 0.5ms? Honestly interested in the reason there.

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Old 11-15-2019, 03:52 PM   #338
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I agree for sure that these aren't aggressive settings by any means really. The main reason I'm suspect of them is because my last set of d585 coils, 367k miles, prior to this worked flawlessly and as soon as I switched to this set, 220k miles, that came with the first L33. I've had ignition issues almost the entire time I've had this recent set of coils on the car. Mainly under bigger boost numbers, 18+ psi. Problems I never had with the original set of d585 coils.

Plan moving forward is to install the set of square truck coils I got from 73amc in exchange for my heat sink coils. Gonna turn up the dwell to 4.0ms and leave the 1.0ms ignition time. My thinking for that is the square coils are weaker but won't self discharge so I will try and make up the ignition energy with a SLIGHTLY longer dwell period than the d585 coils had. I think 4ms is still well within the realm of a safe dwell period. I've read about max effective dwell being around 4.8ish ms. Over that there wasn't a measurable increase in spark energy.

I am curious as to the rational of dropping the discharge time from 1.0ms to 0.5ms? Honestly interested in the reason there.
I'll have to dig around and look, I forget why the discharge time is even really an option, it had something to do with older coils iirc
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Old 11-15-2019, 11:53 PM   #339
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I'll have to dig around and look, I forget why the discharge time is even really an option, it had something to do with older coils iirc
I wonder if new coils like the square truck coils need that much or if they fire fast? Interesting for sure.
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Old 11-18-2019, 12:36 PM   #340
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Got the new intercooler in with some trimming. Decent option for the high powered redblocks/whiteblocks/LS's out there if you don't want to move the radiator or intercooler location.








Also had a final message for the engine before I set it in its new home lol
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Old 11-19-2019, 01:29 PM   #341
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Had a weird feeling about the injectors so I sent them off to Eric Derr to get flow tested and cleaned. $75 for 8 tested, cleaned and shipped back. $115 for 16. He does excellent, fast work.

Eric Derr
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Bowling Green, KY 42104
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I'll post up the flow sheet of the Bosch 210's and any photos if he sends them. Injectors should get to him on Wednesday and hopefully I can them back this weekend or maybe Monday/Tuesday. We'll see.
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Old 12-13-2019, 12:05 PM   #342
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Got the car back up and running around the 26th if I remember right. Just been driving it to and from work.

It's currently turned way down to around 16psi. Still moves out really well but isn't the animal it has been. I can't risk breaking it before I leave so it'll stay in "reliable" mode for now.

Need to get a timeslip from my 10.3 pass that happened before the engine blew up and put it in the east vs west thread for 2019.

And injector flow data. Forgot to post up pics of that. Basically he said that they were in nearly perfect condition before and even after cleaning. Bosch 210's are almost always a good injector and last a long time.
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Old 12-13-2019, 05:14 PM   #343
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Do you still have that weak little piece of rubber hose connecting the 450 lift pump and sender hard line?
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Old 12-18-2019, 02:57 PM   #344
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Do you still have that weak little piece of rubber hose connecting the 450 lift pump and sender hard line?
Got rid of that a LONG time ago. It burst almost immediately and cause terrible running and idling issues for me.
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Old 12-18-2019, 03:14 PM   #345
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Imagined it would. Was looking for previously done 450 mounting setups and came across that one first
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Old 12-18-2019, 03:24 PM   #346
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My final solution was a 90deg bulkhead -6AN fitting going to the pump for the intake walbro 450. Then I sumped the tank for dual AEM 400's.
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Old 12-26-2019, 10:30 PM   #347
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Still no update beside putting miles on the car and enjoying it turned down for a while.

Here's the before and after flow data from the Bosch 210's. They definitely weren't the problem for the last motor failure.


I did swap out my old PAC 1218's for a set of Summit Dual Valve Springs rated for .600 lift. They have a higher seat pressure for slightly better valve control.


This thread will probly be almost completely dead for a minimum of the next year and possibly for up to 5 years unfortunately. I'll keep you guys updated if anything changes or I have the shop that is storing the car do some things to the car
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Old 12-30-2019, 09:51 AM   #348
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if you've been running e85 in the car, be sure to flush the whole thing out with pump 93, run a tank or two through it if you have time.
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Old 01-30-2020, 02:52 PM   #349
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Pretty much what I'm gonna try and do. Not sure I'll have time at this point. Turned the car down to wastegate and dropped the car off at the speedshop I work at. Currently has a half tank of e85 in it but will fill up with 93 next time I grab the car to do a little driving.
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Old 03-28-2020, 07:32 AM   #350
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Ok so small update with no pics first and the next post will be a couple photos...

Like I said before I dropped the car off at the speedshop(Speedworks in Goldsboro) and it's been doing good.

First week of march I actually moved to S. Korea for one year for work. Luckily I have an awesome assignment after this. Gonna be switching to Nellis AFB(Las Vegas) I've lived there before but am excited to do it again. Going to buy a house there and am actually in the middle of doing it right now. Pretty excited to see how the wifes business expands in Vegas. She's a professional photographer and I am so incredibly proud of her and her work. Have a look at The Lost Compass LLC if you're interested.
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