Aluminum 454 Build
Banned
Joined: Mar 2013
Posts: 1,137
Likes: 2
From: Studewood/Acres-Homes TX.
Man your looking good. I'm not that far yet.. still trying 2 grasp .757 lift (would be .715 with a 1.7 rocker ). and sending the TFS heads 2 SLICK RICK..for them 2 be coaxed to flow to that range and assemble them.This **** is getting 2 real 700 +hp pump gas STREET engine with A/C.
That intake you got is going 2 BLOW YOUR MIND. once dialed in.You got the right group of guys and parts. I'm wanting 2 see 700hp myself from a junkyard 414 Lq9.
Remember the ad.. BO JACKSON KNOWS
UPDATED version... Briou knows
That intake you got is going 2 BLOW YOUR MIND. once dialed in.You got the right group of guys and parts. I'm wanting 2 see 700hp myself from a junkyard 414 Lq9.
Remember the ad.. BO JACKSON KNOWS
UPDATED version... Briou knows
Launching!
Joined: Nov 2010
Posts: 251
Likes: 0
Its all rear wheel HP, all SAE.
The trans is the 30 spline T-56 (viper style) that comes on the early C6Z's with a RPS full carbon twin disk clutch.
The diff is the 9" Getrag IRS that comes from the factory - beefy.
The trans is the 30 spline T-56 (viper style) that comes on the early C6Z's with a RPS full carbon twin disk clutch.
The diff is the 9" Getrag IRS that comes from the factory - beefy.
Launching!
Joined: Nov 2010
Posts: 251
Likes: 0
Once you figure it out you will be able to degree a cam in your sleep.
What are the cam specs?
Launching!
Joined: Nov 2010
Posts: 251
Likes: 0
So that is probably something I will need to do once I get my pushrods in then....I don't think the pushrod length checker will handle that amount of pressure, unless I install a checker spring...
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Verdad Gallardo Banned
Joined: Mar 2013
Posts: 1,137
Likes: 2
From: Studewood/Acres-Homes TX.
Brian you said that right.. once you dail in 1 with the heads and 1 without the heads U can C the true timing events... BLUE PRINTING YOUR SELF.... I'm lazy so I add #'s up and let 1 of H-town finest build it @ 37 im no longer wrenchen.
A lot of guys have FI but the way 700n/a WhINES it can not be repeated...Fact is most cars WON'T hook...unless set up 4 drag but... you can fail safe a car in auto.. FASTw/ wheel spin(new age throttle stop). and go 2 the track and run low-mid 10's and leave the track.. Drive home w. a/c ...
Stop buy the store on the way home. lol...
A lot of guys have FI but the way 700n/a WhINES it can not be repeated...Fact is most cars WON'T hook...unless set up 4 drag but... you can fail safe a car in auto.. FASTw/ wheel spin(new age throttle stop). and go 2 the track and run low-mid 10's and leave the track.. Drive home w. a/c ...
Stop buy the store on the way home. lol...
Launching!
Joined: Nov 2010
Posts: 251
Likes: 0
Whats your cam specs?
Do it with the heads off. You need to get the wheel on so you need to know where tdc is. Less stuff to mess with your measurements when taking it off the lifter.
Only reason I could see doing it with the head on is if the cams are in the heads.
You are concerned about the cam events in relation to the piston not the valve events to the piston.
Tim
Only reason I could see doing it with the head on is if the cams are in the heads.
You are concerned about the cam events in relation to the piston not the valve events to the piston.
Tim
Last edited by Gray86hatch; Jun 7, 2014 at 08:54 PM.
Do it with the heads off. You need to get the wheel on so you need to know where tdc is. Less stuff to mess with your measurements when taking it off the lifter.
Only reason I could see doing it with the head on is if the cams are in the head.
You are concerned about the cam events in relation to the piston not the valve events to the piston.
Tim
Only reason I could see doing it with the head on is if the cams are in the head.
You are concerned about the cam events in relation to the piston not the valve events to the piston.
Tim
Having geometry problems has nothing to do with decreeing the cam. Trying to degree the cam at the valve is not the same as what the valve is doing at speed.
Just like taking a rocker ratio change and trying to determine the change in valve lift. It doesn't change to duration of the cam.
Tim
Just like taking a rocker ratio change and trying to determine the change in valve lift. It doesn't change to duration of the cam.
Tim
Having geometry problems has nothing to do with decreeing the cam. Trying to degree the cam at the valve is not the same as what the valve is doing at speed.
Just like taking a rocker ratio change and trying to determine the change in valve lift. It doesn't change to duration of the cam.
Tim
Just like taking a rocker ratio change and trying to determine the change in valve lift. It doesn't change to duration of the cam.
Tim
I'm just offering my two cents. Some people look at that kind of stuff, some don't, but in regards to a previous comment, that's why some of us will degree the cam with the head on.
Got my pushrods ordered thanks to Martin....
I attempted to degree the cam with the heads on this weekend....I used a dial indicator extension and put it on the lifter, went through the process as described in the instructions and I came up with 109 ICL....obviously I am going to do it again, and take my time, and use the pushrod and rocker instead of just sending a dial indicator down to the lifter...but it was nice to see that I was only off by one degree initially...
I attempted to degree the cam with the heads on this weekend....I used a dial indicator extension and put it on the lifter, went through the process as described in the instructions and I came up with 109 ICL....obviously I am going to do it again, and take my time, and use the pushrod and rocker instead of just sending a dial indicator down to the lifter...but it was nice to see that I was only off by one degree initially...
Launching!
Joined: Nov 2010
Posts: 251
Likes: 0
Do it with the heads off. You need to get the wheel on so you need to know where tdc is. Less stuff to mess with your measurements when taking it off the lifter.
Only reason I could see doing it with the head on is if the cams are in the heads.
You are concerned about the cam events in relation to the piston not the valve events to the piston.
Tim
Only reason I could see doing it with the head on is if the cams are in the heads.
You are concerned about the cam events in relation to the piston not the valve events to the piston.
Tim
I check off the lifter and then off the valve. IMO, it's the valve motion that really matter, not the cam. The cam only sends instructions, but the valvetrain and the way it's set up can manipulate those instructions. The same cam and the same rocker ratio can have two very different valve lift profiles.
If the duration @ .050" is all you're worried about, then that's your prerogative. Like I said, I prefer to degree the cam at the valve as well because I like to see how the lobe profile is translated to the valve. You may not see a change in duration @ .050", but you may @ .100" on up.
I'm just offering my two cents. Some people look at that kind of stuff, some don't, but in regards to a previous comment, that's why some of us will degree the cam with the head on.
I'm just offering my two cents. Some people look at that kind of stuff, some don't, but in regards to a previous comment, that's why some of us will degree the cam with the head on.
KCS and I have the same approach, well said.
