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Forum: General Q & A

03-20-2008, 02:33 PM

Replies: 1

454 mag cam specs

Views: 13,721

Posted By problemchild292

454 mag cam specs

can anyone tell me the cam specs on the stock 1989 454 mag 365hp mercruiser. thanks much, eric

Forum: General Q & A

02-18-2008, 10:17 AM

Replies: 13

bigger cam with manifolds

Views: 7,075

Posted By problemchild292

fresh idea. block the water passages to the...

fresh idea. block the water passages to the risers and divert the water to bungs installed in the exhaust farther down the line. i know i won't get the big hp increase until the other mods are added...

Forum: General Q & A

02-18-2008, 10:06 AM

Replies: 4

O2 sensor installation

Views: 6,922

Posted By problemchild292

O2 sensor installation

i'm gonna be running glm aluminum exhaust manifolds this season and am adding an O2 kit to both engines. the manifolds are close to stock mercruiser center rise with exhaust dividers in the...

Forum: General Q & A

02-15-2008, 10:52 PM

Replies: 13

bigger cam with manifolds

Views: 7,075

Posted By problemchild292

guys, i appreciate all of the help. i'm trying...

guys, i appreciate all of the help. i'm trying to sip champagne on a beer pocket book. think i'll just rebuild the one motor and wait til next offseason for the bigger cams, headers, and carbs....

Forum: General Q & A

02-11-2008, 11:23 AM

Replies: 13

bigger cam with manifolds

Views: 7,075

Posted By problemchild292

randy, wish i could help but i've got a pair...

randy, wish i could help but i've got a pair still in the box. i was wanting to install them this spring if i could so i wouldn't have to pull engines again next winter. you're right on on the cams...

Forum: General Q & A

02-11-2008, 12:16 AM

Replies: 13

bigger cam with manifolds

Views: 7,075

Posted By problemchild292

stock mercruiser manifolds and risers right now....

stock mercruiser manifolds and risers right now. replaced and smoothed runners late this season when i rebuilt the port motor. was thinking of picking up no-name cast aluminum stock style until next...

Forum: General Q & A

02-10-2008, 08:54 PM

Replies: 13

bigger cam with manifolds

Views: 7,075

Posted By problemchild292

bigger cam with manifolds

everything i've been reading suggests that longer duration camshafts don't agree with stock style manifolds. i need to pull both motors this winter/spring and was wanting to install my bigger cams. ...

Forum: General Q & A

02-10-2008, 07:59 PM

Replies: 32

What kind of oil do you run?

Views: 4,588

Posted By problemchild292

i throw in a bottle of comp cams break-in...

i throw in a bottle of comp cams break-in additive with mine. little pricy but i've been told it's cheap insurance for flat tappet cams

Forum: General Q & A

02-10-2008, 12:25 PM

Replies: 2

Buying used motors, just how much can you inspect?

Views: 701

Posted By problemchild292

michael, i bought my formula this year 6000...

michael, i bought my formula this year 6000 below market. i now know why. one bad motor after 1 weekend. another bad motor 2 runs after i built the first. still in pieces. i bought a core 454...

Forum: General Q & A

02-10-2008, 12:07 PM

Replies: 10

solid VS hydraulic lifters

Views: 7,253

Posted By problemchild292

carm, i'm pretty new to the fast boat world but...

carm, i'm pretty new to the fast boat world but can have built many a street and strip motor. you'll lose a little valve lift with hydraulic lifters over solid but you'll save your valve springs. ...

Forum: Drives and Lower Units

02-10-2008, 12:07 AM

Replies: 1

bravo,bravox,bravoxr?

Views: 1,248

Posted By problemchild292

bravo,bravox,bravoxr?

i've got 89 bravo's and gimbal housings. i'm probably looking at replacing at least one drive b4 this season. i've found bravo 1 for $4000 including prop, bravo x for $4750, and bravo xr for around...

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