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Search: Posts Made By: Scarab2969
Showing results 1 to 25 of 38
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Forum: General Q & A
06-19-2025, 03:05 PM
Replies: 9
Views: 841
Posted By Scarab2969

spark plugs are looking like it was running very...

spark plugs are looking like it was running very lean. it bent most of the valves and showed hot spots between cylinders. Base timing was set at 8 or 10 cant remember. i have not had it Sonic...
Forum: General Q & A
06-19-2025, 03:01 PM
Replies: 9
Views: 841
Posted By Scarab2969

Will try. thank you sir.

Will try. thank you sir.
Forum: General Q & A
06-19-2025, 03:00 PM
Replies: 9
Views: 841
Posted By Scarab2969

spark plugs are looking like it was running very...

spark plugs are looking like it was running very lean. it bent most of the valves and showed hot spots between cylinders. Base timing was set at 8 or 10 cant remember.
Forum: General Q & A
06-18-2025, 10:05 PM
Replies: 9
Views: 841
Posted By Scarab2969

I had them cleaned recently but they said they...

I had them cleaned recently but they said they were flowing fine before the cleaning.
Forum: General Q & A
06-18-2025, 08:20 PM
Replies: 9
Views: 841
Posted By Scarab2969

Does anyone know anybody in the DFW Texas area...

Does anyone know anybody in the DFW Texas area that knows how to perform MPI tuning and maping?
Forum: General Q & A
06-18-2025, 08:13 PM
Replies: 9
Views: 841
Posted By Scarab2969

502 Fuel Injection

I had to pull my motor because the cylinders we out of round from getting to hot from detination. My 502 MPI was bored out to 60 over. I now have it bored out to 100 over. Can I continue to run...
Forum: General Q & A
03-20-2025, 01:25 PM
Replies: 47
Views: 4,725
Posted By Scarab2969

yes, I did set the base mode maybe at 10, but I...

yes, I did set the base mode maybe at 10, but I would think that would make that much difference but I guess it could have. Would 2° make that much detonation difference?
Forum: General Q & A
03-20-2025, 01:08 PM
Replies: 47
Views: 4,725
Posted By Scarab2969

as far as I know, I’ve never done anything with...

as far as I know, I’ve never done anything with the ECM. I don’t even know who would tune an ECM.
Forum: General Q & A
03-17-2025, 07:55 AM
Replies: 47
Views: 4,725
Posted By Scarab2969

Awesome. Thanks so much.

Awesome. Thanks so much.
Forum: General Q & A
03-16-2025, 11:38 PM
Replies: 47
Views: 4,725
Posted By Scarab2969

Piston. Icon .064 Piston Rings Mahle Part #...

Piston. Icon .064

Piston Rings Mahle Part # MAH-3150108035 Summit Racing
Forum: General Q & A
03-16-2025, 07:31 PM
Replies: 47
Views: 4,725
Posted By Scarab2969

Will look

Will look
Forum: General Q & A
03-16-2025, 07:28 PM
Replies: 47
Views: 4,725
Posted By Scarab2969

https://cimg4.ibsrv.net/gimg/www.offshoreonly.com-...

https://cimg4.ibsrv.net/gimg/www.offshoreonly.com-vbulletin/920x2000/img_1617_6d1bbbd6427f4c2469e177829cb6a44fcf9ac62b.png
Is this normal when the top side of the piston only has black carbon on 75%...
Forum: General Q & A
03-16-2025, 07:23 PM
Replies: 47
Views: 4,725
Posted By Scarab2969

https://cimg0.ibsrv.net/gimg/www.offshoreonly.com-...

https://cimg0.ibsrv.net/gimg/www.offshoreonly.com-vbulletin/2000x1504/img_1606_94b1b6c7e1f763f81a70f598777824aa4613b1ca.jpeg
It looks like the skirts aren’t too bad.
Forum: General Q & A
03-15-2025, 03:39 PM
Replies: 47
Views: 4,725
Posted By Scarab2969

[QUOTE=Griff;4922002]Was it in base timing mode...

[QUOTE=Griff;4922002]Was it in base timing mode when you set it??

Post pics of the spark plugs[/QUOTE...
Forum: General Q & A
03-15-2025, 01:35 PM
Replies: 47
Views: 4,725
Posted By Scarab2969

Do you have any idea what the gaps should be on a...

Do you have any idea what the gaps should be on a 502 MPI that is .60 over? Im thinking this may be the issue as well.
Forum: General Q & A
03-15-2025, 01:32 PM
Replies: 47
Views: 4,725
Posted By Scarab2969

Thank you

Thank you
Forum: General Q & A
03-15-2025, 01:31 PM
Replies: 47
Views: 4,725
Posted By Scarab2969

Thank you!!

Thank you!!
Forum: General Q & A
03-15-2025, 01:30 PM
Replies: 47
Views: 4,725
Posted By Scarab2969

Yes

Yes
Forum: General Q & A
03-15-2025, 01:27 PM
Replies: 47
Views: 4,725
Posted By Scarab2969

Stack cam, compression was 155 after rebuild now...

Stack cam, compression was 155 after rebuild now all cylinders dropped 20 to 25 since this has been happening.
Forum: General Q & A
03-15-2025, 01:24 PM
Replies: 47
Views: 4,725
Posted By Scarab2969

I was getting water in the cylinders coming thru...

I was getting water in the cylinders coming thru the flaps. Had a valve head break and rebuilt. maybe 30 hours after rebuilt. was at .30 over now at .60 over.
Forum: General Q & A
03-15-2025, 01:20 PM
Replies: 47
Views: 4,725
Posted By Scarab2969

Will do. Base timimg was at 8. Could have been...

Will do. Base timimg was at 8. Could have been 10 but it was a year ago when i did it.
Forum: General Q & A
03-14-2025, 09:34 AM
Replies: 47
Views: 4,725
Posted By Scarab2969

Oil and water temps were normal.

Oil and water temps were normal.
Forum: General Q & A
03-14-2025, 09:33 AM
Replies: 47
Views: 4,725
Posted By Scarab2969

I did set at 8 on the base timing and even made...

I did set at 8 on the base timing and even made sure the total timing was right as well.
Forum: General Q & A
03-14-2025, 09:18 AM
Replies: 47
Views: 4,725
Posted By Scarab2969

Sorry I don’t really know that. I didn’t build...

Sorry I don’t really know that. I didn’t build the short block. I can ask and let you know.
Forum: General Q & A
03-14-2025, 09:13 AM
Replies: 47
Views: 4,725
Posted By Scarab2969

The head guy thinks it’s from the timing being...

The head guy thinks it’s from the timing being advanced to far.
Showing results 1 to 25 of 38
 
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