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Tech Talk | Forum profile
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Forum profile page for Tech Talk on http://www.screamandfly.com.
This report page is the aggregated overview from a single forum: Tech Talk, located on the Message Board at http://www.screamandfly.com.
This forum profile page summarizes the general forum statistics such as: Users Activity, Forum Activity, and Top Authors, which are reported in either a table or graph below for a given reporting time period.
Additional forum profile information for "Tech Talk" on the Message Board at http://www.screamandfly.com is also shown in the following ways:
1) Latest Active Threads
2) Hot Threads for Last Week
Warning: These statistics are generated using 'best efforts' and can experience delays and reporting errors at times. Please note that such statistics do not constitute a forum's popularity and/or exact posting volumes at any given reporting period.
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Posting activity on Tech Talk:
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Week
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Month
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3 Months
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Threads:
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199
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644
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2,380
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Post:
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865
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2,721
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9,806
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Tech Talk Posting activity graph:
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Top authors during last week:
user's latest post:
going to build my first 2.4...
Published (2009-12-21 11:32:00)
I agree. There is a lot of hidden power. Simple is to change the shape of the piston ports. Here is a set I just done for a 2.4 200 I am building. I am also decking the block and the pistons to effectively raise the porting. Shaving the front, filling up the oil gear passage, make #2 close to the same cc as the other 5. Check out T-rex's cherry 2.4 project for more ideals. [/IMG]
user's latest post:
Modding a 2.0 150hp Mariner
Published (2009-12-19 21:43:00)
Nothing practical for a 21 foot bass boat, time to step up to a new motor.
user's latest post:
Mercury Tech ProMax rebuild...
Published (2009-12-18 04:45:00)
Quote: Originally Posted by stroker smoker lol and it might turn into a allison vs stv thread before its over so dont go no where
user's latest post:
Mercury lower unit 1647-9147-C1
Published (2009-12-21 09:55:00)
that is a 1 1/4 dia propshaft number that case number has no connection to CLE Sporty or Torqmaster carriers? you must have a Promax for this to be pulling up, the case number you stated was a fishing motor case 2.1 and 1.87
user's latest post:
Modding a 2.0 150hp Mariner
Published (2009-12-21 08:18:00)
Quote: Or at least HEAVY bass boats... Damm.....I thunk ALL bass botes wuz HEAVY!!! ......I never seen a 300# bass bote!!
user's latest post:
100 mph propski videos
Published (2009-12-17 14:38:00)
Quote: Originally Posted by WATERWINGS We used to do that too, (but not THAT fast), the tube was called a "Ski Buiscuit"....but because how we used it.....we called it.....THE DEATH BISCUIT We used a 16" superheavy wall truck tube. They were expensive/hard to come by but could be inflated as hard as a basketball. The G force in the spin would stretch the tube into a canoe-shape. The death blow was when you made a figure 8 spin...
user's latest post:
found my yamaha 2.6 noise....
Published (2009-12-20 17:02:00)
the top seal is kinda hard. another thing, it was a little dark when I tore the powerhead down. now that I put a little light on it, there's rust all over the crank, top to bottom. no rust on the rods though. i'd almost swear this thing went under at some point in its life... it will be a low budget re-assembly. new gaskets, rings, seals, orings. I've got a ton of "good" used bearings salvaged from other powerheads,...
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Latest active threads on Tech Talk::
Started 2 days, 18 hours ago (2009-12-20 07:05:00)
by Eagle One
standard centerhorn seems better on the top end and the single SVS is quicker on the low end. You can put ten of each on an engine and it won't help a bit. Even a Holley Dominator if you like. You are restricted by the amount of flow through the reed cages.They will only flow so much through a given size opening.
Started 2 days, 10 hours ago (2009-12-20 14:48:00)
by mcyama
Man that doesn't look for the back pocket. What broke? Hope Santa brings you a new powerhead. By the way did you kill the grimlins that caused this? Martin
Started 3 days, 8 hours ago (2009-12-19 16:33:00)
by wrechin2
ONE of the best engines they made as far a depedability in many peoples eyes. It is a V-4 X-flow. It is nothing more than a 90HP without oil injection and would be a late 80's engine. It can be made to have a lot more power very easily than the inline merc you traded for. The parts are cheap and plentiful. That is a plus. JMO.....
Started 1 day, 9 hours ago (2009-12-21 15:53:00)
by HighVelocity
I would give Eric Simon a call, he knows the 3.0L very well and seems to be very willing to help Scream and Fly members out. Maybe you could send him what you have and he can test it for ya.
Eric Simon "Simon Motorsports" is a supporting vendor for this site and a decent person to deal with.
Otherwise you are at the mercy of your good old local Mercury dealer...OUCH!!!$$$$
Started 2 days, 8 hours ago (2009-12-20 16:27:00)
by TEXAS20225
if Mercury 1.87 forward and pinion come as a set 43-44104 with 43-824986 as reverse
Started 4 days, 9 hours ago (2009-12-18 15:35:00)
by Action Dave
Not sure if the limited edition motor came with the mid-bore 225 carbs, but that's the easiest 25 horsepower you will ever gain. Just install the 225 carbs and throttle bodies.
Started 2 days, 4 hours ago (2009-12-20 20:59:00)
by shooter1
I have lots of parts for that engine that I looking to get rid of since I now have a 3.0L. Let me know what you need and might want to swap.
Shooter1
Started 3 days, 3 hours ago (2009-12-19 21:43:00)
by Capt.Insane-o
Nothing practical for a 21 foot bass boat, time to step up to a new motor.
Started 1 month ago (2009-11-16 13:04:00)
by largecar91
The power head is what holds it all together, The mounts for the cowling bolts to the Powerhead and the powerhead bolts to the mid section.
Started 2 days ago (2009-12-21 00:52:00)
by 1nebel0
Hey,
Your fuel system is plumbed wrong..The hose that comes off of the middle of the fuel rail ties into the hose coming down from the regulator.. If you send me your email, I will email you a posting that will show you and explain in detail how to rig a fuel injection system...
Regards,
Steve..
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Hot threads for last week on Tech Talk::
Started 1 week ago (2009-12-15 12:06:00)
by Jay Smith
Many opinions on the Vertex.. They seem to work fine in some of the stock classes ( Drag Racing ) turning big RPMS as they come..
I am building 3 Pro Max's this week and I am using Mercury pistons and having Marles top pin. Maybe I see too many destroyed motors to want to take the chance with my customers stuff... $300.00 is IMO a cheap insurance policy . I am at the point I will NOT build ...
Started 1 week, 2 days ago (2009-12-13 10:55:00)
by VernG
Actually for a lot of us, 250+ hp does go 80 mph. My RXP goes 81+ on GPS like many other friends, and my engine is only 1.5 liters. But it is a 4 stroke supercharged engine with 13 lbs boost and a big air to water intercooler. There are quite a few GPRs with 1.3 - 1.4 liter two strokes that are going over 80 mph too ... some with triple pipes are going 85 - 88 mph. Then there are the guys running...
Started 1 week, 2 days ago (2009-12-13 12:32:00)
by dez nuts
Quote:
Originally Posted by sschefer
Found on eBay, (havent bought them yet), a set of 4 petal rubberized reed blocks from a 150 EFI motor and was wondering if these could be a direct replacement/upgrade for 1991 5 petal carbed reed blocks. I've heard they seal really well and have better flow. I just upgraded my 135 WHM-8's with 150 ...
Started 5 days, 18 hours ago (2009-12-17 06:48:00)
by Jay Smith
If the heads are painted they could be as large as 41 CC's or as small as 38 CC's if the heads are gold alodine they could be 38 , 26 or 21 CC's...
I'll have to go down and confirm your numbers on the casting to give you an exact CC..
Information to come in a bit!
Jay
Started 3 days, 8 hours ago (2009-12-19 16:33:00)
by wrechin2
ONE of the best engines they made as far a depedability in many peoples eyes. It is a V-4 X-flow. It is nothing more than a 90HP without oil injection and would be a late 80's engine. It can be made to have a lot more power very easily than the inline merc you traded for. The parts are cheap and plentiful. That is a plus. JMO.....
Started 1 week, 1 day ago (2009-12-14 11:04:00)
by steamengine6
I have a 1989 ,150 crossflow.The dealer told me ``don`t use nothing but J-E Tc-w3.Is that not a synthetic oil?Only thing it`s had done is maintenance.
Started 1 week, 1 day ago (2009-12-14 20:06:00)
by Capt.Insane-o
Perfect for that size of boat, Up the mains a couple sizes, run 92-93-94 octane and 20* timing has been safe for me. New water pump impeller EVERY year.
Started 1 week, 2 days ago (2009-12-13 19:57:00)
by Capt.Insane-o
useless and potentially dangerous.
Started 1 week, 5 days ago (2009-12-10 21:27:00)
by patchesII
On a conventional 2.5 145 lbs is considered by most to be the safe limit. I know there are others that get away with more but the key word is safe
Started 4 days, 17 hours ago (2009-12-18 08:03:00)
by tlwjkw
Think this is it.
http://forums.screamandfly.com/forum...1&d=1198826 769
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