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Forum: General Q & A

02-05-2012, 08:43 PM

Replies: 44

525SC questions....

Views: 6,906

Posted By supermx96

Mine is a gen VI, the snout is 9'' and the spline...

Mine is a gen VI, the snout is 9'' and the spline shaft is 1.5'' from snout bearing.

Forum: General Q & A

02-03-2012, 09:34 PM

Replies: 44

525SC questions....

Views: 6,906

Posted By supermx96

[QUOTE=JD33;3609129] Pretty easy, no need...

[QUOTE=JD33;3609129]

Pretty easy, no need to disassembling the gear casse or rotor, just disassemble the snout and swap the shaft to the keyed shaft. In case if you need to change the shaft...

Forum: General Q & A

01-31-2012, 09:39 PM

Replies: 44

525SC questions....

Views: 6,906

Posted By supermx96

Timing at 30-32* with the stock merc 525sc ing???...

Timing at 30-32* with the stock merc 525sc ing???

If i keep the stock ing and set at 32* my initial timing will drop at 10*

The oem timing spec is 35* at 4500rpm and 13* initial timing total...

Forum: General Q & A

01-30-2012, 10:30 PM

Replies: 44

525SC questions....

Views: 6,906

Posted By supermx96

Now it is time to chose between keep comp ratio...

Now it is time to chose between keep comp ratio at 7.5:1 or put it at 8.5:1 and keep the 177 turn at 2:1. But do you think with a 250 blower with cr at 8.5:1 and 7lb boost on 91 octane will be ok...

Forum: General Q & A

01-06-2012, 11:48 PM

Replies: 44

525SC questions....

Views: 6,906

Posted By supermx96

I have email Weiand about 177 marine max rpm he...

I have email Weiand about 177 marine max rpm he have tell me no more 14000 rpm I know this is very fast at between 13000-13500 rpm. I dont drive at wot long time mostly cruise at 3500- 4000 engine rpm

Forum: General Q & A

01-06-2012, 11:15 PM

Replies: 44

525SC questions....

Views: 6,906

Posted By supermx96

I think with the right cam for this litle 177 is...

I think with the right cam for this litle 177 is posible to get 650hp not sure with the stock or with smaller pulley i have one with 2.85 dia, i know that my comp ratio is low for aluminum head but i...

Forum: General Q & A

01-06-2012, 10:56 PM

Replies: 44

525SC questions....

Views: 6,906

Posted By supermx96

The one i am locking @.050 intake open...

The one i am locking

@.050

intake open 6 btdc

intake close 44 abdc

exhaust open 57 bbdc

Forum: General Q & A

01-06-2012, 10:36 PM

Replies: 44

525SC questions....

Views: 6,906

Posted By supermx96

Do you have full spec or the parts no of your cam?

Do you have full spec or the parts no of your cam?

Forum: General Q & A

01-06-2012, 09:07 PM

Replies: 44

525SC questions....

Views: 6,906

Posted By supermx96

I am in rebuilt now of mine, I have swap the rod...

I am in rebuilt now of mine, I have swap the rod for Callies Compstar H Beam, .030 oversize with block valve notch, Speed Pro forged piston, new aluminum Hedelbrock Performer RPM head 45 cfm more...

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