Rod Bolts and Head Bolts
Thread Starter
TECH Senior Member
iTrader: (8)
Joined: Sep 2008
Posts: 5,130
Likes: 4
From: 6,000+ feet
Rod Bolts and Head Bolts These good?
Rod Bolts
http://www.jegs.com/i/ARP/070/134-6003/10002/-1
Head Bolts
http://www.jegs.com/i/ARP/070/134-3601/10002/-1
Rod Bolts
http://www.jegs.com/i/ARP/070/134-6003/10002/-1
Head Bolts
http://www.jegs.com/i/ARP/070/134-3601/10002/-1
For PM (powdered metal) LT1 rods (stock on all 95-97 and some 94s, but no 93s or half 94s), use ARP specific 134-6005 rod bolts, even though people can and do use the 134-6003 that you posted. If you have GM pink rods (used in all 93s and most of the 94s) then use teh 134-6003 bolts you posted.
The way you can tell if you have pink rods or PM rods is that the pink rods have a flattened 'weight' area on the top of the rod cap. If the top of the rod caps are smooth with no machined flat rectangular weight than you have PM rods.
The head bolts you posted are the correct ones for a LT1. You can also get them in a half-stainless half-black oxide kit that has all the external block bolts in stainless.
The way you can tell if you have pink rods or PM rods is that the pink rods have a flattened 'weight' area on the top of the rod cap. If the top of the rod caps are smooth with no machined flat rectangular weight than you have PM rods.
The head bolts you posted are the correct ones for a LT1. You can also get them in a half-stainless half-black oxide kit that has all the external block bolts in stainless.
For PM (powdered metal) The way you can tell if you have pink rods or PM rods is that the pink rods have a flattened 'weight' area on the top of the rod cap. If the top of the rod caps are smooth with no machined flat rectangular weight than you have PM rods.
.
.
So this means I have the pink rods? Wich are much stronger if I remember correcty?
!!!!! Powedered metal rods are by far stronger than Pink rods. They will actually deform vs breaking at thier limit, which is HIGHER than the pink rods.
And, yes, I have run itno that situation as well, so it is first hand experience.
And, yes, I have run itno that situation as well, so it is first hand experience.
Trending Topics
LS1 Tech Stories
The Best V8 Stories One Small Block at Time
Gas Monkey Built a 6-Wheel Ferrari Testarossa With a Corvette LT4 Engine
Verdad Gallardo
7 Most Reliable High-Performance Engines GM Has Ever Built
Verdad Gallardo
Amazing '71 Camaro Restomod Is Modern Muscle Car Under the Skin
Verdad Gallardo
6 Common C5 Corvette Failures and What's Involved In Repairing Them
Pouria Savadkouei
Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph
Verdad Gallardo
Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked
Pouria Savadkouei
Top 10 Most Powerful Chevy Trucks Ever Made!
Hennessey's New Supercharged Silverado ZR2 Has 700 HP
Verdad Gallardo
Coachbuilt N2A Anteros Is an LS2-Powered C6 Corvette In Italian Clothes
Verdad Gallardo
When getting machine work done ask the machinist what he wants.
If you choose the rod bolts and then there is a rod bearing problem he will blame your parts. Let him choose and he has to be a little more objective IF there is a problem.
If you choose the rod bolts and then there is a rod bearing problem he will blame your parts. Let him choose and he has to be a little more objective IF there is a problem.
If it is an ARP bolt, and comes in an ARP package and is installed by the machinist and fails he knows he needs to bring the issue up with ARP. For him to blame an application specific part means you should never use the guy as your machinist in the first place.
ARP came out with the 6005 rod bolts so that they didn't have the problem of 'eating' at the cap-side of a PM rod the way the 6003 bolts tend to do after repeated disassembly/assembly.
And a lot of times a machinist will not know about a LT1 specific application part unless it is brought to thier attention.
If it is an ARP bolt, and comes in an ARP package and is installed by the machinist and fails he knows he needs to bring the issue up with ARP. For him to blame an application specific part means you should never use the guy as your machinist in the first place.
ARP came out with the 6005 rod bolts so that they didn't have the problem of 'eating' at the cap-side of a PM rod the way the 6003 bolts tend to do after repeated disassembly/assembly.
If it is an ARP bolt, and comes in an ARP package and is installed by the machinist and fails he knows he needs to bring the issue up with ARP. For him to blame an application specific part means you should never use the guy as your machinist in the first place.
ARP came out with the 6005 rod bolts so that they didn't have the problem of 'eating' at the cap-side of a PM rod the way the 6003 bolts tend to do after repeated disassembly/assembly.
They are just different enough from an SBC to get you in trouble, and it has happened to many people. The famous 10.0:1CR or less LT1 rebuild is a great example.
. 
True that. I'm lucky my guys have been doing all sorts of motors for like 50 years. Wayne Calvert here in Denton, Texas is a genius and they've done lots of LT1 work.
Honestly can't see why that would be a problem. ARP makes good stuff. There are guys spinning past 6500 on stock bolts so the ARP bolts won't have a problem as long as the other parts are good enough to handle that kind of RPM.
