what cam for a nitrous 408?
Thread Starter
TECH Resident
iTrader: (7)
Joined: Dec 2004
Posts: 850
Likes: 0
From: Arlington, Texas
what cam for a nitrous 408? Well I am starting to look around at what cam should go in the 408 im building. I was lookign at the thunder racing 224/227 .563/.569 114lsa but am unsure if this is large enough for the motor. I have heard some people talk about a cam being too small or too large for a 408. I barely speak cam language so would appreciate some help! I will be driving the truck daily and drivability will be an issue. Tranny is an auto as well. As for emmissions, I am fairly certain if need be I can pass one way or another, but this beign texas, I dont think it will be too hard either way. I will likely only be spraying about 150 shot, maybe sometimes a 200, and compression will be around 10-10.5:1 in the end.
Thanks a lot guys,
Lurius
Thanks a lot guys,
Lurius
that cam will be way to small for your application. I'm not sure how the Texas Giant is for streetability, but it's the only off the shelf stroker cam that I know of, I'd have my engine builder spec me a custom cam to fit the intake, heads, and compression that I was going to end up with. Good luck with your build.
AJ
AJ
Thread Starter
TECH Resident
iTrader: (7)
Joined: Dec 2004
Posts: 850
Likes: 0
From: Arlington, Texas
Originally Posted by ArrestMeRed99Z28
that cam will be way to small for your application. I'm not sure how the Texas Giant is for streetability, but it's the only off the shelf stroker cam that I know of, I'd have my engine builder spec me a custom cam to fit the intake, heads, and compression that I was going to end up with. Good luck with your build.
AJ
AJ
-Lurius
I would look in the higher 230's range. Rule of thumb when chosing a cam for a 346 is add 10 to the duration for that particular st. So your 224/227 would be a 234/237. That still seems like it is under cammed.
Originally Posted by forgedbluess
Yea thats a really small cam for a 408. Im doing a 370 and looking for a 240/250 cam but im looking for ever bit of hp i can get to make it to the 9s.
230's is still way small. Ive got a Comp 244/248 .612/.615 113lsa and its still a little small, but I like it. Made good numbers on the bottle also.. There are 3-4 other people on here running the same cam also making good numbers
Trending Topics
in that sweat hog of a truck it will take some decent bottom end tq to get it moving off the line off the bottle so i'd say something like a 236/242 or so would be a decent performer n/a and on the bottle.how often are you going to be driving it on the street and how much are you going to be racing it ?
LS1 Tech Stories
The Best V8 Stories One Small Block at Time
Topdon ONE vs. Artidiag 800 BT2: Which is the Diagnostic Tablet For You?
Pouria Savadkouei
Gas Monkey Built a 6-Wheel Ferrari Testarossa With a Corvette LT4 Engine
Verdad Gallardo
7 Most Reliable High-Performance Engines GM Has Ever Built
Verdad Gallardo
Amazing '71 Camaro Restomod Is Modern Muscle Car Under the Skin
Verdad Gallardo
6 Common C5 Corvette Failures and What's Involved In Repairing Them
Pouria Savadkouei
Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph
Verdad Gallardo
Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked
Pouria Savadkouei
Top 10 Most Powerful Chevy Trucks Ever Made!
Hennessey's New Supercharged Silverado ZR2 Has 700 HP
Verdad Gallardo Thread Starter
TECH Resident
iTrader: (7)
Joined: Dec 2004
Posts: 850
Likes: 0
From: Arlington, Texas
Originally Posted by slow trap
in that sweat hog of a truck it will take some decent bottom end tq to get it moving off the line off the bottle so i'd say something like a 236/242 or so would be a decent performer n/a and on the bottle.how often are you going to be driving it on the street and how much are you going to be racing it ?
When yall are saying undercamed, do you mean it wont be makign nearly its full potential, or that it would not run well with such a small cam? Im alright with losing a little performance since it is a DD, but I want it first and foremost to run good and be a reliable engine that I can depend on to get me to work and school. I figure even losing some of its full potential it will still make decent power all things considered.
Thanks a bunch for the input guys, its really helping!
-Lurius
something in the 22x range in a 408 will be out of breath pretty early in the rpm range and your tq will not be much higher than a slightly bigger cam so your useable power will be less with that small of a cam.
Thread Starter
TECH Resident
iTrader: (7)
Joined: Dec 2004
Posts: 850
Likes: 0
From: Arlington, Texas
Would a 240's range cam be daily drivable you think? This is the only thing im afraid of lol. I dont want to end up with a track only truck for my daily driving haha.
-Lurius
-Lurius
Originally Posted by Lurius
Would a 240's range cam be daily drivable you think? This is the only thing im afraid of lol. I dont want to end up with a track only truck for my daily driving haha.
-Lurius
-Lurius
Thread Starter
TECH Resident
iTrader: (7)
Joined: Dec 2004
Posts: 850
Likes: 0
From: Arlington, Texas
I like the sound of that GTO in the vid you linked. Especially that 6.7L badge! I had been thinking of the same thign to go on the tailgate. Anyone know where he got it?
Would yall reccomend getting a custom grind cam? I was thinking of just telling them what im building, what I need and seeing what they come up with.
-Lurius
Would yall reccomend getting a custom grind cam? I was thinking of just telling them what im building, what I need and seeing what they come up with.
-Lurius