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Lou C
replied to the thread
Fuel pressure too high, how to fix? Small block GM V8
.
When you measured the pressure was the pump dead headed or did you hook it up so that the fuel went from the pump to the gauge then to...
Sep 24, 2026
R
Rochester_Rob
replied to the thread
OMC 250 hp rough idle, back fires through carb on load
.
The one local person I found that would work on my boat said he doesn't work on old motors and that he would put in a new motor because...
Sep 24, 2026
Lou C
replied to the thread
OMC 250 hp rough idle, back fires through carb on load
.
What do the center electrodes insulators look like on the spark plugs, black?= rich, white?= lean, tan/grey?= about right. Quadrajet...
Sep 24, 2026
R
Rochester_Rob
replied to the thread
OMC 250 hp rough idle, back fires through carb on load
.
Thanks, Lou, for the quick response. I sprayed some starter fluid around the intake gasket while the engine was idling but saw no change...
Sep 24, 2026
R
Rochester_Rob
replied to the thread
OMC 250 hp rough idle, back fires through carb on load
.
Hi Scott, thanks for the quick response. The dwell spec is 30 degrees. After several adjustments I have it set to 29 degrees. The fuel...
Sep 24, 2026
T
tphoyt
reacted to
Mc Tool's post
in the thread
1978 Mercury 70hp Worth Messing With?
with
Like
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yeah there is something about holding the book in your hand .... its the oily finger prints all over the pages of the section pertaining...
Sep 24, 2026
arks
posted the thread
Fuel pressure too high, how to fix? Small block GM V8
in
Other Brands of I/O & Inboard Engines & Outdrives
.
My Silverton has twin Crusader 270’s (350 Chevy small blocks). The port carb (quadrajet) was acting up so I bought a rebuilt one from an...
Sep 24, 2026
Lou C
replied to the thread
OMC 250 hp rough idle, back fires through carb on load
.
How about an intake gasket leak either under the carb or one of the actual intake gaskets & maybe an intake valve not seating fully?
Sep 24, 2026
P
Pmt133
reacted to
MikeSchinlaub's post
in the thread
Boats from work.
with
Like
.
Now a 2001 Ranger trailer fender.
Sep 24, 2026
Scott Danforth
replied to the thread
Happy Birthday, @Bob_VT
.
HBD Bob
Sep 24, 2026
Scott Danforth
replied to the thread
OMC 250 hp rough idle, back fires through carb on load
.
what is the dwell set to on the points? what does the fuel look like? two reasons to backfire thru the carb. dwell and timing is off...
Sep 24, 2026
M
MikeSchinlaub
replied to the thread
Boats from work.
.
Now a 2001 Ranger trailer fender.
Sep 24, 2026
M
MikeSchinlaub
reacted to
Scott Danforth's post
in the thread
new vinyl and possible layout change
with
Like
.
hit the wood with OTF radius the substrate edges you will be wrapping. get new foam 2 mill painters plastic sheeting is great between...
Sep 24, 2026
M
MikeSchinlaub
reacted to
redneck joe's post
in the thread
Random
with
Like
.
Sep 24, 2026
dingbat
reacted to
Chris1956's post
in the thread
deck waterproofing
with
Like
.
I read the description of the product on Amazon. I was surprised that it was listed, as I expected a stain to protect from greying.
Sep 24, 2026
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