Doing head studs and gaskets going for 650-700hp

LLYDMAX13

New member
Feb 5, 2016
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Im doing my head gaskets in my lly. After I am done I will be going to push for 650-700hp. While im in there I was wondering if I should put some MA pushrods in or the empire stage 1 pushrods or do I not need them? Engine will not be built. Max of 700hp as safe as I can. Do I need pushrods?
 

Yngdmax92

Active member
Sep 26, 2013
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Doesn't matter what you do, and not trying to ruin your goals, but 700 HP on a stock bottom end is ever going to be safe for a lly.
 

Awenta

Active member
Sep 28, 2014
4,090
2
38
CT
Those are the wrong rods to be worrying about at 700

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Yngdmax92

Active member
Sep 26, 2013
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Better off keeping it around the 550 to 600 area and enjoy the truck. 700 is pushing some major luck.
 

The Kansan

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Aug 30, 2013
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Topeka, KS
If you fill out your signature might help some too. There are some trucks that live at 650 for a while but you have to be realistic, at 700 as everyone has said engine itself wont last long. Your stock pushrods will be fine until you build the engine. Keep torque numbers as low as possible.
 

Stancedlb7

Cummin Stroke this Duramax
Feb 9, 2015
649
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0
SLC, UTAH
If you fill out your signature might help some too. There are some trucks that live at 650 for a while but you have to be realistic, at 700 as everyone has said engine itself wont last long. Your stock pushrods will be fine until you build the engine. Keep torque numbers as low as possible.

With some good tunes lbz rods are just fine at 700hp.
 

The Kansan

New member
Aug 30, 2013
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Topeka, KS
I dont know if he has lbz rods or if he is talking about putting them in his motor but i was going off him saying "engine not built" and him having an lly.
 

aklbz

Member
Jan 8, 2015
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Spend the 5000 and do rods and Pistons and be done with it.


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melms23

Member
Jul 30, 2011
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WI
Buying rods and pistons will be the least of your worries after buying the fuel,air, trans, and everything else needed for 1100 hp.
 

Awenta

Active member
Sep 28, 2014
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38
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A big single certainly helps it live longer versus twins.

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Stancedlb7

Cummin Stroke this Duramax
Feb 9, 2015
649
0
0
SLC, UTAH
If your on a budget get some lbz rods. Take some material off the bottom of the cap to equal the weight of your current lly rods. No need to rebalance assembly. New bearings and studs should hold fine at 650-700hp like you originally asked...