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Forum: Do It Yourself, Boating on a Budget

01-07-2011, 03:58 PM

Replies: 90

"Burnt" spark plugs

Views: 38,999

Posted By Boat1

Yes they can be measured with the cam still in...

Yes they can be measured with the cam still in the shortblock by degree wheel, or there may be a grind number stamped into the core. If there is a grind number we can probably ID the specs for you. ...

Forum: Do It Yourself, Boating on a Budget

01-07-2011, 12:55 PM

Replies: 90

"Burnt" spark plugs

Views: 38,999

Posted By Boat1

I never saw an actual cc measurement of the...

I never saw an actual cc measurement of the cylinder head, get that volume and piston deck height then calculate the actual compression ratio. I'm suggesting this because once you know where you are...

Forum: Do It Yourself, Boating on a Budget

01-07-2011, 10:38 AM

Replies: 90

"Burnt" spark plugs

Views: 38,999

Posted By Boat1

Calculate the compression ratio accurately and...

Calculate the compression ratio accurately and provide the camshaft specifications advertised, and at .050 lift.

Forum: Do It Yourself, Boating on a Budget

01-02-2011, 07:40 PM

Replies: 90

"Burnt" spark plugs

Views: 38,999

Posted By Boat1

If the pistons are domed, measure the flat top...

If the pistons are domed, measure the flat top sections of the piston, and get the cc's of the dome from the piston manufacturer. With these numbers you can calculate the compression ratio.

Forum: Do It Yourself, Boating on a Budget

01-02-2011, 07:36 PM

Replies: 90

"Burnt" spark plugs

Views: 38,999

Posted By Boat1

I would use a Fel-Pro 1047 head gasket. I have...

I would use a Fel-Pro 1047 head gasket. I have two concerns, first the bore of the gasket is the same as your block. Be sure the fire ring off the gasket is not overhanging the bore. You may have...

Forum: Do It Yourself, Boating on a Budget

12-29-2010, 03:15 PM

Replies: 90

"Burnt" spark plugs

Views: 38,999

Posted By Boat1

Most everything listed sounds good. The fuel...

Most everything listed sounds good. The fuel should control detonation assuming the heads are not making hot spots. The water temp of 220 is a surprise. Most crossover systems run the engine to...

Forum: Do It Yourself, Boating on a Budget

12-26-2010, 02:15 PM

Replies: 90

"Burnt" spark plugs

Views: 38,999

Posted By Boat1

After looking at the pictures of your engines I...

After looking at the pictures of your engines I feel we need more information. I'm seeing crossover cooling, single plane mainfold, you say its a .060 over 502 with 36 total timing, and then it has...

Forum: Do It Yourself, Boating on a Budget

12-23-2010, 07:05 PM

Replies: 90

"Burnt" spark plugs

Views: 38,999

Posted By Boat1

By chance were the sparkplugs left loose, like...

By chance were the sparkplugs left loose, like finger tight. I had a person install a fresh engine and never tightened the plugs, just left them finger tight. It burnt the electrodes of the...

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