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Search: Posts Made By: jmm4jmc
Showing results 1 to 24 of 24
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Forum: General Q & A
12-21-2018, 06:56 PM
Replies: 38
Views: 10,998
Posted By jmm4jmc

Thanks everyone for the feedback and advice. ...

Thanks everyone for the feedback and advice.

I thoroughly scoped each cylinder and all pistons looks good, no damage, cylinder walls look good too, I also did a compression and leak-down test and...
Forum: General Q & A
12-18-2018, 08:19 PM
Replies: 38
Views: 10,998
Posted By jmm4jmc

I know these images are pretty much useless, I...

I know these images are pretty much useless, I was just curious if there was some indication of whats going on (besides the wide band) due to the white insulator and the white deposits.

Here are...
Forum: General Q & A
12-18-2018, 06:15 PM
Replies: 38
Views: 10,998
Posted By jmm4jmc

Read my plugs please

I have a recent build, N/A 400 sbc, about 30 hours. Was a new build from a previous motor that failed most likely due to detonation.

I installed O2 sensors in each riser and a wideband. I am...
Forum: General Q & A
09-10-2018, 10:12 PM
Replies: 12
Views: 2,703
Posted By jmm4jmc

Thank you everyone for all the comments and...

Thank you everyone for all the comments and recommendations!
Forum: General Q & A
09-05-2018, 06:12 PM
Replies: 12
Views: 2,703
Posted By jmm4jmc

Looking for advise with wideband installed

Well after my engine issues (see previous threads)

https://www.offshoreonly.com/forums/general-q/354114-need-advice-new-401-sbc-stroker-build.html...
Forum: General Q & A
07-03-2018, 07:57 PM
Replies: 32
Views: 24,501
Posted By jmm4jmc

Well I finished the bung mod. I thought I'd share...

Well I finished the bung mod. I thought I'd share some images of the process, which could help others down the line.

I did a similar technique as was suggested here....
Forum: General Q & A
07-01-2018, 08:59 PM
Replies: 29
Views: 7,312
Posted By jmm4jmc

Thank you for the info. I am very curious how the...

Thank you for the info. I am very curious how the Holley 780 works for you. Please keep me posted!
Forum: General Q & A
05-31-2018, 09:17 PM
Replies: 32
Views: 24,501
Posted By jmm4jmc

Thanks, I think I will do both

Thanks, I think I will do both
Forum: General Q & A
05-31-2018, 09:15 PM
Replies: 32
Views: 24,501
Posted By jmm4jmc

Read some reviews about these and people seem to...

Read some reviews about these and people seem to like em.
Forum: General Q & A
05-31-2018, 09:14 PM
Replies: 32
Views: 24,501
Posted By jmm4jmc

That would be perfect if the bung could be welded...

That would be perfect if the bung could be welded from both sides, pretty tight access to the inside though, but looks like it could be done (obviously yours worked well) with a torch with a short...
Forum: General Q & A
05-30-2018, 11:37 AM
Replies: 32
Views: 24,501
Posted By jmm4jmc

How's this location? Would like to keep it "out...

How's this location? Would like to keep it "out of the way" so as not to bump or snag it while working on the engine or standing in the engine compartment....
Forum: General Q & A
05-30-2018, 09:55 AM
Replies: 32
Views: 24,501
Posted By jmm4jmc

Makes sense, I was thinking that would be the...

Makes sense, I was thinking that would be the only way to do it, and getting access to that inner pipe.




The procedure in that link would be a little easier as long as the clearance between...
Forum: General Q & A
05-29-2018, 11:40 AM
Replies: 32
Views: 24,501
Posted By jmm4jmc

Widebands and sensor location

Well after the advise of others from my previous thread here:
https://www.offshoreonly.com/forums/general-q/354114-need-advice-new-401-sbc-stroker-build.html

I am looking into Wideband kits but...
Forum: General Q & A
05-29-2018, 11:15 AM
Replies: 29
Views: 7,312
Posted By jmm4jmc

Looks like I might have to start a new thread...

Looks like I might have to start a new thread regarding widebands and O2 sensor location.
Forum: General Q & A
05-27-2018, 12:45 PM
Replies: 29
Views: 7,312
Posted By jmm4jmc

post 7 See piston image above

post 7
See piston image above
Forum: General Q & A
05-27-2018, 12:44 PM
Replies: 29
Views: 7,312
Posted By jmm4jmc

post 6

post 6
Forum: General Q & A
05-27-2018, 12:44 PM
Replies: 29
Views: 7,312
Posted By jmm4jmc

post 5

post 5
Forum: General Q & A
05-27-2018, 12:43 PM
Replies: 29
Views: 7,312
Posted By jmm4jmc

post 4

post 4
Forum: General Q & A
05-27-2018, 12:42 PM
Replies: 29
Views: 7,312
Posted By jmm4jmc

post 3

post 3
Forum: General Q & A
05-27-2018, 12:41 PM
Replies: 29
Views: 7,312
Posted By jmm4jmc

post 2

post 2
Forum: General Q & A
05-27-2018, 12:41 PM
Replies: 29
Views: 7,312
Posted By jmm4jmc

Lets try this, to get my 10 posts. post 1

Lets try this, to get my 10 posts.
post 1
Forum: General Q & A
05-27-2018, 12:40 PM
Replies: 29
Views: 7,312
Posted By jmm4jmc

I will have to look into possibly more carb and...

I will have to look into possibly more carb and research on a wide band.




Crank was balanced internal front external rear.



Based on the piston specs, for marine use and 2618 alloy the...
Forum: General Q & A
05-23-2018, 08:20 AM
Replies: 29
Views: 7,312
Posted By jmm4jmc

Thanks SB for the reply. Carb choice was for...

Thanks SB for the reply.
Carb choice was for fuel economy basically. I always questioned the carb CFM size though, but plugs always read good. It did not seem the engine was running lean/hot. As far...
Forum: General Q & A
05-22-2018, 11:44 PM
Replies: 29
Views: 7,312
Posted By jmm4jmc

Need advice on new 401 SBC stroker build

First time posting. Read alot, wealth of information here.

Anyways, I have a 401 SBC stroker, had a piston ring failure in #6 cylinder in my current build, beat the piston top and head to hell,...
Showing results 1 to 24 of 24


 
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