New style of 918 springs????
02-08-2010, 09:46 AM
#1
On The Tree
Thread Starter
iTrader: (3)
Join Date: Aug 2007
Location: Humble/Atascocita area
Posts: 146
Likes: 0
Received 0 Likes
on
0 Posts
New style of 918 springs???? I've been reading alot of how people have had problems with the older style of 918 springs breaking......... Anyone have any problems with the new style?
I just recently purchased a new set..... still trying to figure out wat cam now
I just recently purchased a new set..... still trying to figure out wat cam now
02-09-2010, 10:05 AM
#7
We've seen no issues with the new 918's (or old for that matter) when they were used in the right applications and setup properly! Too many people just throw a set of springs and a camshaft in and count on .600" lift springs to handle .61x" valve lift without worry. That's not what they were designed to do, and manufacturers put these ratings on them with good reason!
That all being said, we also offer the PAC 1218 and 1518 springs at competitive prices for those who are more comfortable with them.
That all being said, we also offer the PAC 1218 and 1518 springs at competitive prices for those who are more comfortable with them.
__________________
Largest Stocking Distributor of LS-x Engines / CHECK OUT OUR NEW WEBSITE!
COMP - FAST - PACESETTER - DIAMOND RACING - EAGLE SPECIALTY PRODUCTS - CALLIES - COMETIC GASKETS
RAM CLUTCHES - MOSER ENGINEERING - KOOK'S HEADERS - ARP - GM BOLTS AND GASKETS - MSD - NGK
POWERBOND - ASP - AND MORE!
Largest Stocking Distributor of LS-x Engines / CHECK OUT OUR NEW WEBSITE!
COMP - FAST - PACESETTER - DIAMOND RACING - EAGLE SPECIALTY PRODUCTS - CALLIES - COMETIC GASKETS
RAM CLUTCHES - MOSER ENGINEERING - KOOK'S HEADERS - ARP - GM BOLTS AND GASKETS - MSD - NGK
POWERBOND - ASP - AND MORE!
Trending Topics
02-09-2010, 10:09 AM
#8
Setting them up is key.
If you're running between .525-.575 lift then dropping them in is usually fine. Anything over .575 requires extra assembly IMO. Shimming, checking height, etc..
As Matt said, most people assuming they can run a .595-.600 lift cam no problem with a "drop in" assembly. Another reason sites like ls1howto.com are dangerous.
If you're running between .525-.575 lift then dropping them in is usually fine. Anything over .575 requires extra assembly IMO. Shimming, checking height, etc..
As Matt said, most people assuming they can run a .595-.600 lift cam no problem with a "drop in" assembly. Another reason sites like ls1howto.com are dangerous.
02-09-2010, 12:29 PM
#10
11 Second Club
iTrader: (4)
Join Date: Nov 2002
Location: SoCal
Posts: 903
Likes: 0
Received 0 Likes
on
0 Posts
I WOULD NOT RUN the old 918s!! I am surpised there are still any on the market. I ran the blue stripe 918s for years after breaking a 941. But I'd STAY AWAY from the orange stripe 918s!!!
02-11-2010, 01:31 AM
#15
On The Tree
iTrader: (4)
Join Date: Feb 2009
Location: Coon Rapids, MN
Posts: 187
Likes: 0
Received 0 Likes
on
0 Posts
I'm running the old ones in my lt1. 236/242 with .555/.576 on a 112. No issue here reving to 6250 all the time. Just need to make sure they are set up properly!
02-11-2010, 02:10 AM
#16
Not that its good info, but I ran a 244/248 .615/.622 cam on older 918's for 20k but before that there were 3 other cams on the same springs. IMO they are sort of under rated because they know what they CAN handle as opposed to what they advertise just to keep a lower failure rate.
I was probably lucky and they were probably worn out, but I dont think they are a bad spring at all.
I was probably lucky and they were probably worn out, but I dont think they are a bad spring at all.
