Paging Nathan
Thread Starter
Melting Slicks
Joined: Dec 2001
Posts: 2,437
Likes: 1
From: Gainesville Fl
Paging Nathan
and anybody else who knows about cams and such for the LTXs.
how well do you think it would work to take a LT4 and put this cam in
http://forums.corvetteforum.com/showthread.php?t=901626
with the 1.8 rockers that nathan had? with the obviously appropriate springs and such? what are you alls thoughts on that?
how well do you think it would work to take a LT4 and put this cam in
http://forums.corvetteforum.com/showthread.php?t=901626
with the 1.8 rockers that nathan had? with the obviously appropriate springs and such? what are you alls thoughts on that?
Drifting
Joined: Jun 2002
Posts: 1,305
Likes: 11
From: Savannah Ga.
Originally Posted by 1996man
and anybody else who knows about cams and such for the LTXs.
how well do you think it would work to take a LT4 and put this cam in
http://forums.corvetteforum.com/showthread.php?t=901626
with the 1.8 rockers that nathan had? with the obviously appropriate springs and such? what are you alls thoughts on that?
how well do you think it would work to take a LT4 and put this cam in
http://forums.corvetteforum.com/showthread.php?t=901626
with the 1.8 rockers that nathan had? with the obviously appropriate springs and such? what are you alls thoughts on that?
I'v followed Nathan's adventures with Roller Rockers and i have concluded that 1.7s is it with the RRs on LTX's....after reading Nathan's post the stock Lt1 cam with 1.7s rr gives just as much or more lift as a stock LT4 cam.....The 1.8s weight was major factor and valve train geometry resulted in Nathan loosing HP . P.s. I bought a set of 1.7s trying to save to have them install on my stock LT1
Melting Slicks
Joined: Jan 2000
Posts: 3,418
Likes: 1
From: NW Chicago Suburbs
That thread doesn't make sense to me. IMHO, the formula for real gains isn't wrapped up in a special cam, it takes a time tested program. I have my doubts about 354 rwhp without long tubes....
Eric
Eric
Last edited by silver & red CE; Sep 26, 2004 at 09:47 PM.
Thread Starter
Melting Slicks
Joined: Dec 2001
Posts: 2,437
Likes: 1
From: Gainesville Fl
dave i see what you are saying but i think nathan also said he would probably see the benefit of having the heavier rockers with a bigger cam. i think i remember him saying the hotcam wasnt big enough to maximize the potential of the 1.8 rockers
Safety Car
Joined: Dec 2002
Posts: 3,655
Likes: 24
From: Charleston SC
If you are going to change the cam why not take care of te added lift with the cam instead of going to a radical valve train. You can get the same lift using 1.6 rcokers and your valve train will be much more reasonable.
Le Mans Master
Joined: Jul 1999
Posts: 8,683
Likes: 6
From: Phoenix AZ
Originally Posted by 1996man
so i could very easily get just as much power with that cam and 1.7 rockers? i guess im not up to speed on the science of rockers. pardon my lack of knowledge
Thread Starter
Melting Slicks
Joined: Dec 2001
Posts: 2,437
Likes: 1
From: Gainesville Fl
oh. so what are you alls opinions on this cam? how could i get the most power out of it? 1.7 rockers and aftermarket springs?
i would really like to get 400rwhp without porting my heads. granted i know i will add long tubes and waterpump and other stuff to add HP but i know the main gain will be in the cam and valvetrain. i obviously have the LT4 to start with so i think its a good starting platform. will upgrading injectors help? i think i will up the TB size just a bit as well
i would really like to get 400rwhp without porting my heads. granted i know i will add long tubes and waterpump and other stuff to add HP but i know the main gain will be in the cam and valvetrain. i obviously have the LT4 to start with so i think its a good starting platform. will upgrading injectors help? i think i will up the TB size just a bit as well
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Safety Car
Joined: Dec 2002
Posts: 3,655
Likes: 24
From: Charleston SC
I am a little confused, do you already have the cam installed? If not why not just pick a cam that has what ever lift you are looking for before changing to 1.7 or 1.8 R/Rs? I dont think you are going to see 400rwhp without porting the heads or adding dicplacment. I believe Nathans heads are ported by TEA. My new set up should be in the 400 club but it is a 383 with AFR comp ported heads.
Le Mans Master
Joined: Jun 2002
Posts: 6,097
Likes: 2
From: Cincinnati Oh
imo, you should port the heads. I doubt you'll come close to 400 rwhp without doing so. Besides, the bulk of your hp will come from quality headwork. You will have to pull the heads anyway to get them machined to accomodate the springs you would need to use for your proposed set up.
Le Mans Master
Joined: Jul 1999
Posts: 8,683
Likes: 6
From: Phoenix AZ
Originally Posted by 1996man
oh. so what are you alls opinions on this cam? how could i get the most power out of it? 1.7 rockers and aftermarket springs?
i would really like to get 400rwhp without porting my heads. granted i know i will add long tubes and waterpump and other stuff to add HP but i know the main gain will be in the cam and valvetrain. i obviously have the LT4 to start with so i think its a good starting platform. will upgrading injectors help? i think i will up the TB size just a bit as well
i would really like to get 400rwhp without porting my heads. granted i know i will add long tubes and waterpump and other stuff to add HP but i know the main gain will be in the cam and valvetrain. i obviously have the LT4 to start with so i think its a good starting platform. will upgrading injectors help? i think i will up the TB size just a bit as well
Getting 400RWHP out of an LT4 without porting the heads is very doubtful. And if you do get it, it will be all peak power with very little on the low-end. You should also take a look at the GM847 cam, that cam has been used by a lot of LTx F-body cars with very good results.
Thread Starter
Melting Slicks
Joined: Dec 2001
Posts: 2,437
Likes: 1
From: Gainesville Fl
i am inclined to disagree since nathan got 38X with only minor porting to LT1 heads and the hotcam which isnt really that aggresive in the way of performance cams. maybe i am wrong