Cam Swap
Thread Starter
TECH Senior Member
iTrader: (8)
Joined: Sep 2008
Posts: 5,130
Likes: 4
From: 6,000+ feet
Cam Swap Well I'm mostly finished. Just gotta install valve springs on a few more cyls and put her back together. Cam is in.
Timing chain was stretched pretty bad even w only 80K on it. Glad I'm changing that.
My Patriot valve spring kit was missing one of the machined bases so I gotta call them
Has went pretty smooth other than pulling the crank hub, good God that thing is a PITA.
What method are you guys using to reinstall the crank hub?
Got somw pics I'll post later.
Guess I can take my time finishing it. Builder says trans is in ROUGH shape
Got some pics I'll post later of the swap. I'll get some of the trans carnage too.
Timing chain was stretched pretty bad even w only 80K on it. Glad I'm changing that.
My Patriot valve spring kit was missing one of the machined bases so I gotta call them
Has went pretty smooth other than pulling the crank hub, good God that thing is a PITA.
What method are you guys using to reinstall the crank hub?
Got somw pics I'll post later.
Guess I can take my time finishing it. Builder says trans is in ROUGH shape
Got some pics I'll post later of the swap. I'll get some of the trans carnage too.
LT1 timing chains are notoroiusly "loose" explainations are usually "ease of factory assembly" and "reduce load since the cam bearing is already seeing additional load from the waterpump". I am sure whatever you thought was badly stretched was completely normal and no problem whatsoever.
To reinstall the hub I bought a longer bolt, a stack of washers and first heat the hub in boiling water so I can get it good and started before pulling it on the the bolt. I boil it because this way you can get it hot enough to loosen the press fit without making it so hot as to damage the seal. When pulling it on with the bolt make sure to have LOTS of thead engagement at all times.
To reinstall the hub I bought a longer bolt, a stack of washers and first heat the hub in boiling water so I can get it good and started before pulling it on the the bolt. I boil it because this way you can get it hot enough to loosen the press fit without making it so hot as to damage the seal. When pulling it on with the bolt make sure to have LOTS of thead engagement at all times.
If you try to lift one on top of the gear and see if it will clear a tooth you will see there is not real risk.
Cloyes also sells an ovcersized crank gear to tighten them up if it really bothers you.
Cloyes also sells an ovcersized crank gear to tighten them up if it really bothers you.
Thread Starter
TECH Senior Member
iTrader: (8)
Joined: Sep 2008
Posts: 5,130
Likes: 4
From: 6,000+ feet
Ok. I just got the gmpartsdirect timing set, gears and all so thats what will be going back in. As long as its not loose enough to cause a timing or reliability issue I'm good.
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
