I purchased a 23 foot Tempest it's a rather large boat cuddy sink stove washroom ect. It's powered by a 4.3 4 barrel that seems to run great on the hose. My concern is wether this engine is a little under powered? The boat does have Tabs. I've also got a 5.7 in my bow rider I could swap in and...
I recently started a restoration on a 1989 Tempest 23 footer cabin cruiser. I've gutted the cabin and to my suprise the stringers only run to a bulk head just in front of the cabin entrance. From there it's a big cavity of foam. And fuel tank . Then at back of boat about five feet another bulk...
Ive got a wellcraft 200 elite 5.7 merc. With 2 people light gear and 120 liters of fuel. 4 blade 19 pitch alum prop 1.47 gear I run 49 mph at 4600 rpm. I figure its about 12.49% slip is that a decent number? Or should i try a 17 pitch
Im just wondering if a 13.74 ?19pitch 4 bkade prop would give me the same results as my current prop a 14.75?19 pitch stanless. Currently I run around 5000 rpm at 55 mpr
Ive checked my manifold and riser with acetone no leaks. Ive instaled a new oem graphite gasket and im still getting water in my #3 and 5 exhaust port. Thru hull exhaust with a 15 degree slope to tips above the water line. Compression on those two cylinders is 145 160 . Is there any other way...
Hey guys! Seams it never ends with my boat.. Ive put a new reman in my boat with vortec heads I had it out all was good except the issue with bogging after 4200 rpm. Well that aside Im now getting milky oil. I figured intake gaskets so I changed them out to the felpro 1255 change the oil and all...
Well I splashed my boat to day after the new engine swap. Vortec heads on a 1990 remam with doul plane intake with a mild rv cam 423 444 with my original quadro jet carb that was rebuilt last year. It runs great rite to 4200 rpms. I still have about 1 inch of throttle to go but if I open it up...
I in the middle of putting vortecs 906 castings on my 5.7 block 3970010 with factory flat tops 4 valve reliefs. Original heads were 462624 with 76cc chambers and 76 cc chambers that were cracked. Im worried about compression being a little to high with the vortecs 62 cc chambers to run 87...
Just pondering why you couldnt run a flex plate instead of a flywheel? You would think doing so would get your reves up a little quicker less weight and all.. im sure theres a reason for it just wondering why.
Im not sure if this is the write spot for this but seams like very skilled engine guys on here. So ive got a line on a set of camel hump heads is what there called so im told. Supposedly 300hp heads 2 02 and 1 06 valves. Would these be a better head then the stock head on my 84 5.7?
Im going to be starting my new engine build shortly and just woundering what guys think of putting a crank scrapper in a marine engine? Also what are stock head chamber cc and valve sizes on 5.7 260hp 1984 era?
I thinking of buying a bigger boat than I have know. Possibly 25 to 27 ' just wondering what manufacturers didnt yous wood as a core material in the 80s if any and also are these bigger boats full of foam aswell?
As boating season is coming to an end im debating on wether or not to pull my engine (5.7) and build a stroker. My engine runs great and strong so would it really be worth it in a boat and would my R drive hold up to the extra hp? The drive was completely rebuilt at the start of the season with...
Could i use a 20% muratic acid solution and soak a rochester 4 barrel carb body i ? I picked up a carb and upon taking it apart the float bowl is full off white calcium crap or something and nothing seems to clean it up. Its just the aluminum body or would the acid be bad. or any other ideas