Doing H/C should I replace pistons/rods too?
Thanks,
kevin
https://ls1tech.com/forums/showt...d=1#post2700591
Even if you have no interest in what I am selling I would still suggest if you have the money to forged the shortblock.
It will save you headaches in the future.
Also something like I have will allow for a larger camshaft without P/V problems, has coated pistons which will defentially help with the Nitrous. What I am selling is a little extreem for most guys, however if you buy it and resell your shortblock for 850-1000 bicks your only out 2500 more dollars and you can have the motor at your house in 1 week.
Anyways check it out, if it's to built for what your looking at I still suggest changing the pistons/rods/rings/rod bolts,etc, plus there is machine work that will be needed.
People have been doing H/C swaps since the LS1's inception, generally without problems. There are hundreds if not thousands of h/c cars out there running stock bottom end. Swapping the timing chain and oil pump are part of the price of admission. If you want a little more piece of mind, you can install ARP rod bolts. Some people have done this with the engine still in the car, but it requires jacking up the engine, removing the K member and the oil pan, which im sure is no easy task.
-heads & cam (obviously)
-TR hardened 7.400 pushrods
-SVO 30lb injectors (I think my stockers are only like 26#'s)
-New oil pump & Timing chain
-ARP head bolts & head gaskets (I still have to figure out which head gaskets to get).
-TR hardened 7.400 pushrods
-SVO 30lb injectors (I think my stockers are only like 26#'s)
-New oil pump & Timing chain
-ARP head bolts & head gaskets (I still have to figure out which head gaskets to get).
Youll also need these if your buying gaskets individually:
Front Engine Seal
Front cover gasket
2 Water Pump Gaskets
Oil Pump O Ring
Some extra Valve spring keeper locks
Crank Bolt
You couls also get a head/cam bolt and gasket kit from a sponsor that should come with everything you need for the h/c swap.
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Yeah its probably best if I just buy one of those heads/cam install kits from Thunder racing. Geez, thats another $250...this really adds up. Some people think heads cam, hmm I can do that for under $1500 buying used but when you are done factoring in everything its a LOT more!
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Yeah its probably best if I just buy one of those heads/cam install kits from Thunder racing. Geez, thats another $250...this really adds up. Some people think heads cam, hmm I can do that for under $1500 buying used but when you are done factoring in everything its a LOT more!
Get the SVO 30#s if you are going to upgrade injectors, they won't be to big, plus once you get it tuned it will be fine. And you will want to 30#s if you spray.
Dan
This is just to show you the difference between upgrading from 26 to 28, or upgrading from 26 to 40 (30# SVO). Really isnt much of an upgrade to only go to 28s, unless the 26ers are right on the verge and you can get 28s damn cheap, which you can.
-T
I still not sure what to do about the install on my H/C. I got two quotes from two shops, one was $950 and than other was $1000...and they both quoted a tune of about $450 on top of that.
Id say do the swap in your new garage. Youve got a daily beater still, right? If so youre not under any pressure to get it done in a day or two. You can take your time, save your cash and feel good about spinning your own wrenches. When it comes time to tune, find someone else to go in with you on HPTuners (500 for 2 licenses). Ill definately be around to give you a hand, and this way youve got $1200 saved bucks to put towards a 12 bolt when you grenade your 10 bolt.
you're right though...I know I'd feel really good about it afterwards if all went well though...
Dropping the oil pump pickup tube bolt.
Timing dots lined up.
coolant in the blind head bolt holes.
Threading the pulley back on.
Even these tricky parts are relatively easy as long as youre careful and you double and triple check yourself. You dont even need to do the most nerve racking part, the TDC method of holding up the valves. And ive got the JRP tools from a friend, not that youd have to worry about dropping a lifter with the heads off anyway.... Dont be intimidated.

