I wonder what pistons, crank, and rods they use.
CK5
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L18 8.1L swap resource thread
- Thread starter Larry
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Just right for the current info . .
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A lot of these gen sets are propane or nat gas feed from what i have seen .
that means they will be supper clean inside a used 1
Cast crank, forged rods and 10.5:1 compression is all I can find.
Howell will use whichever O2 you specify, and if you didn’t specify one then it would default to an AC Delco AFS93 O2 sensor which is the connector you have. Get a pair of AFS93s
The harness and the O2’s have the same male 4 pin plug.
My Howell harness had the same problem. Howell sent me 2 female/female connector/adapters no charge.
The adapters would be the easiest solution. I don’t quite understand why they put the male connectors on the harness unless there’s another O2 sensor available that accepts that plug.
You beat me to it.
I get the same thing with my guys on the job with the temp power SO cords
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Exactly what was said above...
I'm not sure how this would have happened but they can make to jumpers for you...usually at no charge. They that for a different gender issue I had with something years ago.
I'm not sure how this would have happened but they can make to jumpers for you...usually at no charge. They that for a different gender issue I had with something years ago.
I found a bag with loose connectors and terminals, two of which fit the O2 sensors however they only support two of the 4 terminals. I sent an email to Matt Howell earlier this morning.
For future reference, I spoke with Troy @ Howell and he said the harness is designed to work with GM GENUINE AFS75 oxygen sensors.
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Apparently on yours anyway……I just double checked my spreadsheets and the three 8.1s and 2 Vortec 454s that I’ve done all used a Denso 234-4019 (AFS93). Odd that I’ve gotten 5 harnesses spread over 15 years with the same O2 plug for a AFS93
Apparently on yours anyway……I just double checked my spreadsheets and the three 8.1s and 2 Vortec 454s that I’ve done all used a Denso 234-4019 (AFS93). Odd that I’ve gotten 5 harnesses spread over 15 years with the same O2 plug for a AFS93
You got lucky.........
It's a little frustrating because I asked them for the p/n for the correct O2 sensors and didn't get a response so I asked here.
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No doubt! And you still go the wrong answer here. Sorry dude. Odd harness came that way
No need to apologize, it's just Howell being inconsistent with their product. I've found a ton of useful information in this thread
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If it makes you feel any better, they used the wrong alternator plug and goofed up the EVAP leads on my latest harness for the L29 454 K5 I’m building now. I clearly told Troy that I was using a CS144 140-amp alternator, and they still used the oval plug that’s used on the base alternators. Then I told them I needed the EVAP Vent Valve circuit to be about 9 feet long as I had planned to mount the EVAP can somewhere towards the back of the rig. It showed up with a 9 feel long Purge Solenoid lead, which is on the intake, and nothing to go to the Vent Valve.. They were quick to sent me what I needed with the instructions where to pin the Vent Valve circuits in the ECM but geesh. It’s like, don’t you guys write this shit down?No need to apologize, it's just Howell being inconsistent with their product. I've found a ton of useful information in this thread
. I guess, I somewhat understand that these harnesses are kind of involved to build with large margins of error. I mean, that’s why I don’t build my own harnesses 
and at the end of the day, Howell is probably still the best in the business.One thing I did differently on this latest order was to order it bare and without looming, as it seems there are always circuits that are in the wrong spot, too short, too long, etc. They gladly did that and sent the looming and tape separately. I’m glad I did this because the MAF and IAT were on the wrong side.
If it makes you feel any better, they used the wrong alternator plug and goofed up the EVAP leads on my latest harness for the L29 454 K5 I’m building now. I clearly told Troy that I was using a CS144 140-amp alternator, and they still used the oval plug that’s used on the base alternators. Then I told them I needed the EVAP Vent Valve circuit to be about 9 feet long as I had planned to mount the EVAP can somewhere towards the back of the rig. It showed up with a 9 feel long Purge Solenoid lead, which is on the intake, and nothing to go to the Vent Valve.. They were quick to sent me what I needed with the instructions where to pin the Vent Valve circuits in the ECM but geesh. It’s like, don’t you guys write this shit down?
One thing I did differently on this latest order was to order it bare and without looming, as it seems there are always circuits that are in the wrong spot, too short, too long, etc. They gladly did that and sent the looming and tape separately. I’m glad I did this because the MAF and IAT were on the wrong side.
Those little mistakes are annoying but I'm glad to hear they stand behind their product. I really like your harness without the loom, I might have to explore that option on future builds.
