Longevity of springs with various cams
04-27-2005, 05:14 PM
#1
12 Second Club
Thread Starter
iTrader: (13)
Join Date: Apr 2004
Location: Belleville, MI
Posts: 1,027
Likes: 0
Received 0 Likes
on
0 Posts
Longevity of springs with various cams The Stage 1.5 Tea 5.3 heads have springs rated to .660 lift. How long can I be worry free about teh springs with the following cams.
Stealth II 224/220 .581/.581 116
GFX3 ...............................
F13 230/232 .595/.585 114
The X3 I'll need to start worrying about first, but am just wanting to get an idea for when. Also, am I going to have any clearance issues if I mill the heads any? I believe the X3 is close as it is, but I'm not sure, so milling it would increase the risks. Would I still be able to mill somewhat with the F13 or SII? Thanks.
Stealth II 224/220 .581/.581 116
GFX3 ...............................
F13 230/232 .595/.585 114
The X3 I'll need to start worrying about first, but am just wanting to get an idea for when. Also, am I going to have any clearance issues if I mill the heads any? I believe the X3 is close as it is, but I'm not sure, so milling it would increase the risks. Would I still be able to mill somewhat with the F13 or SII? Thanks.
04-27-2005, 06:17 PM
#2
TECH Fanatic
iTrader: (35)
Join Date: Sep 2004
Location: Maryland/Illinois
Posts: 1,660
Likes: 0
Received 0 Likes
on
0 Posts
I just bought a set of the TEA stage 1.5 5.3L heads. I am going to run an F13 cam. I called Futral and they said the MAX mill they recommend with the F13 cam is .010" (assuming stock MLS head gaskets). Now, I know there are a few guys on here that have more milling than that and it clears (Damian is one). I ordered my heads with no milling, but I am getting thinner cometic gaskets. I don't think the milling is worth the risk in terms of power gained in my case, but that's my opinion. I am also going to check clearances before I bolt everything down.
As for valvespring life, I don't know. I am going to pull a few springs once a year and check them. When they get to low on pressure they will get replaced. I hope to get 15,000 miles or so out of them.
As for valvespring life, I don't know. I am going to pull a few springs once a year and check them. When they get to low on pressure they will get replaced. I hope to get 15,000 miles or so out of them.
04-27-2005, 07:23 PM
#3
11 Second Club
You really should pull some and check them once in awhile. There are many variables involved. Should be able to get at least 15,000, at which point it's a good idea to check them.
04-27-2005, 09:18 PM
#4
12 Second Club
Thread Starter
iTrader: (13)
Join Date: Apr 2004
Location: Belleville, MI
Posts: 1,027
Likes: 0
Received 0 Likes
on
0 Posts
I'm doing the smart thing, I'm talking to Louis about my setup.
My real issue is that I don't want much lope, I know, I know. I don't mind it some, but I just hate it when the car sounds like it's just going to die right there. But I want it to scream at WOT. Is it possible to get a stock sounding idle with a larger cam, or does the increased LSA detract from the power you can make?
My real issue is that I don't want much lope, I know, I know. I don't mind it some, but I just hate it when the car sounds like it's just going to die right there. But I want it to scream at WOT. Is it possible to get a stock sounding idle with a larger cam, or does the increased LSA detract from the power you can make?
