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  Engine reinforcement, how much is too much ?

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Author Topic:   Engine reinforcement, how much is too much ?
Pierre
Gearhead

Posts: 394
From: Near Paris, France
Registered: Apr 2002

posted 12-17-2002 06:33 AM     Click Here to See the Profile for Pierre   Click Here to Email Pierre     Edit/Delete Message   Reply w/Quote
For a SB in the 300-350hp range (at the flywheel)& that will often see 5-6000 RPM (occasionnally 6500)in a street application: how much structural reinforcement is really necessary ?

I am refering to Main cap stud girdle, rocker stud girdle, all around ARP hardware stuff...... any particulary weak area that I should focus on (ie: rod bolts)

I just don't want to go overboard again

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SteveLaRiviere
Administrator

Posts: 34763
From: Saco, Maine
Registered: May 99

posted 12-17-2002 08:17 AM     Click Here to See the Profile for SteveLaRiviere   Click Here to Email SteveLaRiviere     Edit/Delete Message   Reply w/Quote
Just a good set of rod bolts will be fine for that application.

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Mpcoluv
Gearhead

Posts: 1004
From: Charlotte NC usa
Registered: Apr 2001

posted 12-17-2002 08:19 AM     Click Here to See the Profile for Mpcoluv   Click Here to Email Mpcoluv     Edit/Delete Message   Reply w/Quote
I would just make sure you have good rod bolts, and make sure all the clearences are good.
You have Edelbrock heads right? Your studs should be fine.
I wouldn't run a stud girdle on the heads or the main bearing caps.
In fact the guy who builds the crate motors for RDI (Raceparts Distribution, a major Ford motorsports distributor) says the main bearing girdle cause more problems than they fix.

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V8 Thumper
Gearhead

Posts: 3603
From: Orange, Ca. United States of America
Registered: Dec 2001

posted 12-17-2002 08:39 AM     Click Here to See the Profile for V8 Thumper   Click Here to Email V8 Thumper     Edit/Delete Message   Reply w/Quote
I agree with you guys. GOOD rod bolts are an absolute must, ARP main & head bolts if it'd make you feel better (probably not necessary, but inexpensive insurance), and run her hard

Mexican block, correct? Oh yea baby, that's a strong piece
Like stated above, your Edelbrock heads probably have 7/16" studs... plenty strong enough

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Moneymaker
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Posts: 19964
From: Lyons, IL, USA
Registered: May 99

posted 12-17-2002 09:01 AM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
I have not found a main stud girdle that I would use.

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stang106
Gearhead

Posts: 738
From: God's Country!... Port Alberni B.C. Canada
Registered: Jul 2001

posted 12-17-2002 11:10 AM     Click Here to See the Profile for stang106   Click Here to Email stang106     Edit/Delete Message   Reply w/Quote
I use ARP main cap studs to use all the available threads in the block. An align-hone, deburred and radiused stock cast crank and a good balance job and my motor sings up to 7K.
Dave

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Pierre
Gearhead

Posts: 394
From: Near Paris, France
Registered: Apr 2002

posted 12-17-2002 11:19 AM     Click Here to See the Profile for Pierre   Click Here to Email Pierre     Edit/Delete Message   Reply w/Quote
Thanks again to all of you. I am now confident about my decisions

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