Old springs may not work now...
Thread Starter
Joined: Jun 2004
Posts: 5,125
Likes: 4
From: Alexandria, VA
Old springs may not work now... Well, my 346 is toast and I just purchased a 6.0 forged 370 iron block along with some brand new lq9 heads. However, from my 346 I still have my TR224 cam, comp 918's, Ti retainers, and LS6 intake that have never been run. This new block comes with a 244/248 635/627 112 cam but no heads, hence the reason I bought the new heads. So, I was wondering if I'd be able to run these 918's with this cam or if I'd need to get some new ones. These springs have about an hour's worth of run time on them, but I'm not sure they'd hold up for this cam. If they won't hold up, I may end up putting in my 224 for now and worrying about that cam later on. If I did go back to the 224, how much power do you think I'd be putting out with the ls6 intake, ported tb, and the 224? Just looking for suggestions on what I should do. My budget is shot now that I've bought this engine and I know I won't have the best performing 370 in the world. I just needed a solid start for future mods and this was my perfect match. Later as I'm able to save up I'll start doing the mods that will unleash this, so keep that in mind. Thanks, I appreciate the info.
imho that cam is a bit large to run confidently on 918's. i'd look into all the double springs rated to at least .650. manley duals, comp 921's, PP Gold, PRCs should all work. but with that big of a cam it'd be best to call a sponsor or two, and the manufacturers to verify. good luck!
Thread Starter
Joined: Jun 2004
Posts: 5,125
Likes: 4
From: Alexandria, VA
Originally Posted by cyphur_traq
imho that cam is a bit large to run confidently on 918's. i'd look into all the double springs rated to at least .650. manley duals, comp 921's, PP Gold, PRCs should all work. but with that big of a cam it'd be best to call a sponsor or two, and the manufacturers to verify. good luck!
they would be fine depending on the lobes but after piston to valve smacking throw them away. Whered you get the motor from?
I hear you on the shot budget, thats why we all said stay 346!
I hear you on the shot budget, thats why we all said stay 346!
Thread Starter
Joined: Jun 2004
Posts: 5,125
Likes: 4
From: Alexandria, VA
Originally Posted by GrannySShifting
they would be fine depending on the lobes but after piston to valve smacking throw them away. Whered you get the motor from?
I hear you on the shot budget, thats why we all said stay 346!
I hear you on the shot budget, thats why we all said stay 346!
I hope to have it in by the end of next weekend. This weekend I'm gonna work on getting my current engine outta there. Speaking of which, are there any good tutorials out there for pulling this LS1? I know how to pull an engine, but I've learned that these engines don't always like to follow the rules Also, if I were to go with Dual springs such as PP Golds... would I be able to use the 918's Ti retainers + keepers for them (aka, just buy the springs and not have to buy the whole PP Gold kit including bases, locks, and seals)? Do the LS1 springs, retainers, and keepers work in the LQ9 heads?
Last edited by ArcticZ28; Apr 13, 2005 at 12:43 AM.
glad to hear about your stuff coming together after that other mess. make sure you put the cam in right this time 
i have the PRC (precision race components) dual valvespring kit, comes w/ Ti retainers, hardened seats, and new seals.
shoot a PM to Terry@racetechspeed , he will get you a KICK *** price on them
, they are awesome springs and will work very well w/ that cam should you choose to go that way one day.
what kinda compression is he new motor going to be runninng? are you planning on milling the LQ9 heads (to make them like ls6 heads)?
i have the PRC (precision race components) dual valvespring kit, comes w/ Ti retainers, hardened seats, and new seals.
shoot a PM to Terry@racetechspeed , he will get you a KICK *** price on them
, they are awesome springs and will work very well w/ that cam should you choose to go that way one day.what kinda compression is he new motor going to be runninng? are you planning on milling the LQ9 heads (to make them like ls6 heads)?
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Verdad Gallardo PRC duals or Comp 921s is what i would chose for what your doing now. I love the 918s for many applications, when setup properly, but you should be worry free with the doubles. They come with everything you need, so just throw the 918 springs away and keep the titanium retainers if you hve them. If you need to know anything on pulling the motor give me a shout, going from the top or the bottom? Ive pulled out half a dozen from the top, much prefer from bottom but you can do it either way.
Thread Starter
Joined: Jun 2004
Posts: 5,125
Likes: 4
From: Alexandria, VA
TheBlur - thanks for the advice I haven't worked out the compression numbers yet but I'm going to be keeping the LQ9 heads stock for now, don't have the funds for anything else yet
Terry - I'll be PMing you about the price for the PRC kit
GrannySS - I'll be pulling the motor from the top b/c I don't have a lift. Anything I should know in doing it that way? I'd like to pick your brain for the best way to get this done.
I haven't worked out the compression numbers yet but I'm going to be keeping the LQ9 heads stock for now, don't have the funds for anything else yetTerry - I'll be PMing you about the price for the PRC kit
GrannySS - I'll be pulling the motor from the top b/c I don't have a lift. Anything I should know in doing it that way? I'd like to pick your brain for the best way to get this done.
you can attatch the engine lift to the core-support, and lift the car's body off of the motor. lots of guys do it that way.
there's a pic on here somewhere w/ JRP's car up on lumber and jackstands with the motor laying underneath it in his driveway
there's a pic on here somewhere w/ JRP's car up on lumber and jackstands with the motor laying underneath it in his driveway
Thread Starter
Joined: Jun 2004
Posts: 5,125
Likes: 4
From: Alexandria, VA
Originally Posted by TheBlurLS1
you can attatch the engine lift to the core-support, and lift the car's body off of the motor. lots of guys do it that way.
there's a pic on here somewhere w/ JRP's car up on lumber and jackstands with the motor laying underneath it in his driveway
there's a pic on here somewhere w/ JRP's car up on lumber and jackstands with the motor laying underneath it in his driveway
the core-support is what the radiator attatches to, runs across the front of the car 
an engine hoist *should* be able to lift it up enough, especially one of those long ones.
an engine hoist *should* be able to lift it up enough, especially one of those long ones.
Arctic, 918's used to be rated for .625 lift before the 921's existed. Even still, the cam exceeds that lift. Thats truly a monsterous cam! Like it was said above, Sell your 918's since theyve only been run for an hour, and youll probably get a good offering for them. Put the money towards the PP gold or PRC spring kits. Theyre the best value out there that will suit your needs. Good luck.
10 Second Club
Joined: Aug 2004
Posts: 328
Likes: 0
From: Houston
Originally Posted by cyphur_traq
what happened?
Just the slightest mistake installing a cam can bring that much carnage.
Makes me quiver thinking about cam installs.
