Safe

navyman8903 · March 19th, 2009, 04:48 PM

it is really a case by case basis, remember the 1st thing your motor gets is torque the only time I have heard of a motor blowing at peak under load was a procharger under stupid high boost for a stock bottom end. There are plenty of people running paxton 2200 novi's at 10-13 psi with no problems and yes it is pushing the envelope, but there is really no safe boost number on stock internals. The rods are good to 450hp from the factory and that is bwhp not rwhp so think about it. Centri's are much safer to run but not a done deal either. So just look at what you are buying and take what ever risk you are comfortable with.

Anthony05GT · March 19th, 2009, 05:02 PM

Your engine is only as strong as the weakest rod. The rods are the weakest link. They are made of compressed, heated powdered metal which is cheap to produce and relatively strong, but not to be over stressed. They are great in stock form, but when you add boost there really isn't any guarantee. The smartest thing to do is keep it at or under 450rwhp and have it tuned by someone that reaaly knows these systems.

Mickey · March 19th, 2009, 06:02 PM

Originally Posted by Towelly

Ok...... SUHleen, a member here (blown motor I think a rod. at 10PSI Saleen Blower stock everything else) and Clyde on ModularFords ( EJECTED two rod's at 10PSI Saleen installed and tuned by JDM WITH GT500 pumps! ).

Most people that blow their motor in that range are running over 11lbs, as was SUHleen! Most people in the 8-10lb range are safe and thats where ill be

JakeM · March 19th, 2009, 06:32 PM

Originally Posted by Mickey

Most people that blow their motor in that range are running over 11lbs, as was SUHleen! Most people in the 8-10lb range are safe and thats where ill be

So 1 lb makes that much of a difference????? Our rod's are weak.. I know you don't want to hear it, but we will see as time goes on. There is a decent chance you will find out first hand....

I hate to be a dick, but see sig... Go over to modular fords and see Chad05GT's thread. "People that have had forced induction on a stock bottem end for over a year" or something to that effect. The people that have had FI for more than a year on the stock bottom end are in the minority for sure.

navyman8903 · March 19th, 2009, 06:43 PM

just get a rotation assembly and get friends, tools, beer and wrench on the bottom end all weekend.

JakeM · March 19th, 2009, 06:45 PM

I'm pretty sure mickey has a bottom end planned in next year or two IIRC Navy. I agree with you though. Its not a BAD thing to have to build the bottom end.... Thats for sure.

Mickey · March 19th, 2009, 06:53 PM

Originally Posted by Towelly

I'm pretty sure mickey has a bottom end planned in next year or two IIRC Navy. I agree with you though. Its not a BAD thing to have to build the bottom end.... Thats for sure.

That is correct...I hope by Christmas '10

navyman8903 · March 19th, 2009, 06:54 PM

I am sure you will have it..........especially if you run too much boost your 1st run.

navyman8903 · March 19th, 2009, 06:55 PM

but you wont and I am going to win the bet. How you doin!

Mickey · March 19th, 2009, 06:57 PM

I believe they plan on starting with the 3.6 or 3.75 pulley to begin tuning

Grabber523 · March 19th, 2009, 08:34 PM

Originally Posted by Towelly

So 1 lb makes that much of a difference????? Our rod's are weak.. I know you don't want to hear it, but we will see as time goes on. There is a decent chance you will find out first hand.... I hate to be a dick, but see sig... Go over to modular fords and see Chad05GT's thread. "People that have had forced induction on a stock bottem end for over a year" or something to that effect. The people that have had FI for more than a year on the stock bottom end are in the minority for sure.

SWEET! I'm a minority now!

Blower was installed by myself in January of 07 at about 11,000 miles. My car now has about 42000 miles on it. I guess I'm just lucky.

Mickey · March 19th, 2009, 08:40 PM

Who has DD w/ FI and over 40K miles? - ModularFords.com

look at that thread navy...look at how much power a lot of those guys are running and for how many miles...

AMmuslGT · March 19th, 2009, 08:42 PM

Originally Posted by navyman8903

just get a rotation assembly and get friends, tools, beer and wrench on the bottom end all weekend.

March 19th, 2009, 05:02 PM	#22
Anthony05GT Hardcore Enthusiast Join Date: Feb 2009 Posts: 1,462 iTrader: 1 reviews	Your engine is only as strong as the weakest rod. The rods are the weakest link. They are made of compressed, heated powdered metal which is cheap to produce and relatively strong, but not to be over stressed. They are great in stock form, but when you add boost there really isn't any guarantee. The smartest thing to do is keep it at or under 450rwhp and have it tuned by someone that reaaly knows these systems. __________________ JDM 302 Stroker, Whipple 10 rib 12 psi, L&M, JBA, J&M, LFP, Corsa, BBR Stage II cams, Manley, MGW, McLeod RST, Metco, Steeda, Autometer, CDC, Street Scene, SOS, Tuned at JPC Racing by Kevin MacDonald

March 19th, 2009, 06:57 PM	#30
Mickey I Post Entirely Way Too Much Join Date: Nov 2007 Posts: 6,391 iTrader: 0 reviews	I believe they plan on starting with the 3.6 or 3.75 pulley to begin tuning __________________ Under Construction

March 19th, 2009, 08:40 PM	#32
Mickey I Post Entirely Way Too Much Join Date: Nov 2007 Posts: 6,391 iTrader: 0 reviews	Who has DD w/ FI and over 40K miles? - ModularFords.com look at that thread navy...look at how much power a lot of those guys are running and for how many miles... __________________ Under Construction

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