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Search: Posts Made By: Dave Neptune
Forum: General Interest 10-11-2018, 05:21 PM
Replies: 28
Views: 429
Posted By Dave Neptune
Neil, old motor and poor compression. EI, manual...

Neil, old motor and poor compression. EI, manual FP, PCV and stock plugs @.040".

Warm start after running within 4~5 hours choke on 2~3 seconds and she purred. Release choke immediately.

Cold...
Forum: General Interest 10-11-2018, 04:40 PM
Replies: 7
Views: 163
Posted By Dave Neptune
Grade 8 is a good choice as it is a more similar...

Grade 8 is a good choice as it is a more similar metal than SS. Goop them up with Aviation grade Permatex and it will last many more years than the std bolts did uncoated. The harder grd 8 will...
Forum: Troubleshooting 09-25-2018, 12:59 PM
Replies: 25
Views: 642
Posted By Dave Neptune
Renegade, 1 oz per gallon is what I used which is...

Renegade, 1 oz per gallon is what I used which is 128:1 and always a clean exhaust.

I run my D/P Hemi Challenger (140,000 miles) and my Corvette (185,000 and pulled the engine still good running...
Forum: Troubleshooting 09-24-2018, 06:00 PM
Replies: 25
Views: 642
Posted By Dave Neptune
Renegade, good news. If you are using the MMO in...

Renegade, good news. If you are using the MMO in the fuel don't use anything else. When mixing mix at 100:1 max oil concentration. What were you mixing it at and any other additives? Also use regular...
Forum: Troubleshooting 09-24-2018, 03:20 PM
Replies: 25
Views: 642
Posted By Dave Neptune
Renegade, once ALL of the above ignition...

Renegade, once ALL of the above ignition questions have been checked and verified good all should be well there. I have only one question to answer, what plugs are you using?

Indeed a sooty single...
Forum: General Maintenance 09-18-2018, 05:34 PM
Replies: 2
Views: 251
Posted By Dave Neptune
Gregh, you are definitely loading the cylinders,...

Gregh, you are definitely loading the cylinders, probably to much prop.

If you have a timing light you can check for full advance of the c-advance mechanism. You should have full advance by...
Forum: General Interest 09-18-2018, 04:41 PM
Replies: 16
Views: 367
Posted By Dave Neptune
Steve, sit by the mast when it is ready with a...

Steve, sit by the mast when it is ready with a free beer sign. Once a half dozen have showed up say it's up there and it's free if you help carry this mast up the hill:D. May need to BBQ something as...
Forum: Troubleshooting 09-13-2018, 09:43 AM
Replies: 128
Views: 4,122
Posted By Dave Neptune
Question Gem555, I bought an A-4 that was seized while...

Gem555, I bought an A-4 that was seized while inside an E35 MkII. It took a week to get it running again and it did not fail me once in 34 years and is now serving the new owner.

Not a dis on you...
Forum: General Interest 09-08-2018, 08:14 PM
Replies: 5
Views: 225
Posted By Dave Neptune
Greg, use 1/8" tubing and fittings just like the...

Greg, use 1/8" tubing and fittings just like the scavenge tube. Use an extra foot or so and the needle will calm down at idle.

Watch the gage as you increase and decrease throttle. Watching will...
Forum: Troubleshooting 09-04-2018, 04:25 PM
Replies: 4
Views: 2,908
Posted By Dave Neptune
S & z, it could easily be the alternator kicking...

S & z, it could easily be the alternator kicking in and out. Check the charging levels during the next episode. You can also disable the alt via the belt or unplugging the "exciting" wire to see if...
Forum: Troubleshooting 08-31-2018, 12:56 PM
Replies: 3
Views: 208
Posted By Dave Neptune
I have "brazed" far worse looking things. Really...

I have "brazed" far worse looking things. Really not a biggie.

If the "brazing" material builds up in the injection tube it can easily be drilled out.

Dave Neptune :cool:
Forum: Overhaul 08-28-2018, 05:41 PM
Replies: 9
Views: 488
Posted By Dave Neptune
The gasket surfaces won't rust enough during...

The gasket surfaces won't rust enough during painting to worry about. The bit of color of the rust will pretty much just wipe off. These are hi nickel castings so rust is at a minimum for cast iron. ...
Forum: Ignition System 08-28-2018, 05:30 PM
Replies: 5
Views: 190
Posted By Dave Neptune
Neil, if you can mark the accy pulley when #1 is...

Neil, if you can mark the accy pulley when #1 is firing you can replace the distributor in approximately the same place using the direction the rotor is pointed as another mark. Then you can just...
Forum: Fuel System 08-26-2018, 12:38 PM
Replies: 8
Views: 324
Posted By Dave Neptune
Al, did you make sure the "fuel pump push rod"...

Al, did you make sure the "fuel pump push rod" was in place to actuate the pump?

Dave Neptune :cool:
Forum: Electrical 08-25-2018, 04:05 PM
Replies: 18
Views: 508
Posted By Dave Neptune
I the crack did not get it to fire I doubt you...

I the crack did not get it to fire I doubt you have spark at the plugs, especially if the plugs were dry. Did you smell gas on the plugs or emanating from the cylinders?

Next confirm spark at the...
Forum: Electrical 08-25-2018, 12:00 PM
Replies: 18
Views: 508
Posted By Dave Neptune
If it starts or sputters on crack that means the...

If it starts or sputters on crack that means the ignition side is functioning. It also means that the carb is not delivering fuel properly.

The flame arrestor does need inspection and occasional...
Forum: Electrical 08-25-2018, 11:02 AM
Replies: 18
Views: 508
Posted By Dave Neptune
goodolboat, did you try "motor crack" (starting...

goodolboat, did you try "motor crack" (starting fluid). A quick spray and a crank will let you know if you have spark at the plugs. If it kicks on "crack" you definitely have a fuel problem.

Dave...
Forum: Electrical 08-25-2018, 10:13 AM
Replies: 18
Views: 508
Posted By Dave Neptune
goodolboat, checking the spark at the time of...

goodolboat, checking the spark at the time of failure is a must. As it topped suddenly it could still be electrical in nature~~don't forget to check the ignition for voltage from the Ign switch. The...
Forum: Cooling System 08-23-2018, 10:05 AM
Replies: 10
Views: 423
Posted By Dave Neptune
Another point

One thing we all need to remember is that our accessory drive and alt are a closed loop!! There are only 2 pulleys involved and there is about 180 degrees of contact area, whereas most pulley drives...
Forum: Troubleshooting 08-19-2018, 08:46 PM
Replies: 24
Views: 824
Posted By Dave Neptune
Steve, if the rpms rise a bit and no gain in...

Steve, if the rpms rise a bit and no gain in speed is often growth. A Go-pro or a mask and a dip will tell you that.

If it is not the growth it could be sticking advance weights in the distributor...
Forum: Cooling System 08-19-2018, 05:57 PM
Replies: 4
Views: 183
Posted By Dave Neptune
77, the brass fitting is the diverter and the...

77, the brass fitting is the diverter and the hole in the side is to force water to the front (#4) of the block.

Both the side plate and the diverter are available from our host.

Dave Neptune
Forum: Overhaul 08-18-2018, 09:51 PM
Replies: 8
Views: 405
Posted By Dave Neptune
Talking Kudos Jerry, one of the best engine one liners...

Kudos Jerry, one of the best engine one liners I've heard:):)nicely stated.

A lil comedy goes a long way!

Dave Neptune :cool:
Forum: Ignition System 08-11-2018, 12:14 PM
Replies: 9
Views: 447
Posted By Dave Neptune
Exclamation GAP ????????

Stephen, RE the gap fixing the problem. In many of these "old distributors" setting the gap is very inaccurate and gets worse with wear!! Once the points are installed and the engine is running CHECK...
Forum: Ignition System 08-11-2018, 10:29 AM
Replies: 28
Views: 1,102
Posted By Dave Neptune
Having an EI and a weak spark is not good. The...

Having an EI and a weak spark is not good. The spark should be snappy and blue. I would check the "RUNNING" voltages at the coil to confirm good voltage. Then I would remove the cap and rotor for...
Forum: Fuel System 08-11-2018, 10:15 AM
Replies: 7
Views: 308
Posted By Dave Neptune
Steve, to add to Bill's statement it could be a...

Steve, to add to Bill's statement it could be a very minor air leak upstream too.

About the only thing that will keep a mechanical pump from pumping is lack of motion IE the plunger that actuates...
Showing results 1 to 25 of 500

 
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