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Forum: Engines 10-29-2011, 11:07 PM
Replies: 19
Views: 8,728
Posted By johno270583
Thanks for the feedback. Glad to see and hear...

Thanks for the feedback. Glad to see and hear that everything is ok internally. Costs me enough without more problems!

I would also like to know the reccommended manifold pressure/vaccuum, I'll...
Forum: Engines 10-26-2011, 05:47 AM
Replies: 19
Views: 8,728
Posted By johno270583
Vaccuum was checked off the bottom of the carb,...

Vaccuum was checked off the bottom of the carb, where the rocker cover vent hoses connect to.

There was a very slight, fast movement of the needle on the gauge, barely noticeable, but definitely...
Forum: Engines 10-23-2011, 08:01 AM
Replies: 19
Views: 8,728
Posted By johno270583
Checked the mainfold pressure today. Was sitting...

Checked the mainfold pressure today. Was sitting at 16. Sound about right?
Forum: Engines 10-09-2011, 10:48 AM
Replies: 19
Views: 8,728
Posted By johno270583
Also should probably mention the title of this...

Also should probably mention the title of this thread!

After adjusting idle mix, rechecked timing and idle speed. Timing about 7 btdc, was originally set at 8 (there is actually only 1 arrow to...
Forum: Engines 10-09-2011, 10:38 AM
Replies: 19
Views: 8,728
Posted By johno270583
Just deleted my post that I ha fully written out...

Just deleted my post that I ha fully written out on my phone! Annoying!

Update

Took boat out for a test run, but ended up just wakeboarding!

No adjustments made prior to dropping boat in.
...
Forum: Engines 10-06-2011, 12:36 AM
Replies: 19
Views: 8,728
Posted By johno270583
SP According to Edelbrock instructions that...

SP

According to Edelbrock instructions that came with manifold, should only be torqued to 12 ft/lbs, which seems very loose, so we went to 18 ft/lbs, which is what the Mercruiser manual...
Forum: Engines 10-05-2011, 11:27 AM
Replies: 19
Views: 8,728
Posted By johno270583
Also I should mention I have been a little...

Also I should mention I have been a little worried about vacuum leaks in the intake since installing. I have read spraying carb cleaner around the sealed edges is best way to find a leak. Is it, or...
Forum: Engines 10-05-2011, 11:25 AM
Replies: 19
Views: 8,728
Posted By johno270583
SP With the stock carb, it went through a phase...

SP
With the stock carb, it went through a phase of popping and backfiring when warmed up and had been running for 30 mins. Replaced leads, cracked coil, regapped plugs (very narrow gap out of box)...
Forum: Engines 10-03-2011, 04:46 AM
Replies: 19
Views: 8,728
Posted By johno270583
Ignition Timing jumping around

1999, 1900SR, 5.0L carbed

Have had the 'problem' for a while, but never thought too much of it.

When setting base timing, I am able to set it perfectly on the mark.

However when I unplug...
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