cam wuestions
10-05-2009, 09:34 PM
#1
cam wuestions will a stock lt1 car hold a cam with 236 242 duration 544 550 lift 112 lsa
and how would i install it do i have to degree the cam or can i put it in there just anyway? this is my first cam swap on an lt1 car whoudl i take the motor out or remove the radiator and condeser
and how would i install it do i have to degree the cam or can i put it in there just anyway? this is my first cam swap on an lt1 car whoudl i take the motor out or remove the radiator and condeser
10-05-2009, 10:11 PM
#4
the lift isnt that bad but the duration is what is to high. Somewhere around a 220/224 is more ideal for a stock bottom end/heads car. You will def need a tune without a doubt with the install of a cam. You would also need to do the supporting mods; i.e. springs, rockers(if desired), pushrods(when geometry is changed) and possibly lifters depending on condition of the stockers. Check out the sticky posted at the top posted by stealthformula. The is a lot of useful information in there. He is the one that helped me out with my selections.
Also by the way your located in tokyo?
Also by the way your located in tokyo?
Last edited by litch2004; 10-05-2009 at 10:32 PM.
10-05-2009, 10:15 PM
#5
the duration isnt that bad but the lift is what is to high. Somewhere around a 220/224 is more ideal for a stock bottom end/heads car. You will def need a tune without a doubt with the install of a cam. You would also need to do the supporting mods; i.e. springs, rockers(if desired), pushrods(when geometry is changed) and possibly lifters depending on condition of the stockers. Check out the sticky posted at the top posted by stealthformula. The is a lot of useful information in there. He is the one that helped me out with my selections.
Also by the way your located in tokyo?
Also by the way your located in tokyo?
i woudl be gettting the springs lifters and rods to go with the cam an dthen gettign it tuned so woudl it then hodl it withough becoming a bog
10-05-2009, 10:19 PM
#6
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10-05-2009, 10:23 PM
#8
yep probally gonna use it in my other lt1 build
i post what i am basing it off of
Eagle 4340 SBC 4.000 Crank for
LT1 one piece RMS
Callies Compstar 6.000 SBC Rods W/ ARP 2000 rod
bolts W 2.000 Big Ends
Wiseco Custom Pistons
Wiseco GFX Piston Rings
ACL MS909 H Main Bearings for 350 SBC
ACL CB 663 H Rod Bearings for 2.100 SBC
Chamfered Race Bearings
Durabond CH 8 SBC Cam Bearings uncoated
Eagle 400 SBC Splayed Caps 18 degree
ARP 4-Bolt Main Studs without windage tray for SBC
Freeze plugs kit and Misc
going for a 408 lt1 woot woot
i post what i am basing it off of
Eagle 4340 SBC 4.000 Crank for
LT1 one piece RMS
Callies Compstar 6.000 SBC Rods W/ ARP 2000 rod
bolts W 2.000 Big Ends
Wiseco Custom Pistons
Wiseco GFX Piston Rings
ACL MS909 H Main Bearings for 350 SBC
ACL CB 663 H Rod Bearings for 2.100 SBC
Chamfered Race Bearings
Durabond CH 8 SBC Cam Bearings uncoated
Eagle 400 SBC Splayed Caps 18 degree
ARP 4-Bolt Main Studs without windage tray for SBC
Freeze plugs kit and Misc
going for a 408 lt1 woot woot
10-05-2009, 10:28 PM
#10
the duration isnt that bad but the lift is what is to high. Somewhere around a 220/224 is more ideal for a stock bottom end/heads car. You will def need a tune without a doubt with the install of a cam. You would also need to do the supporting mods; i.e. springs, rockers(if desired), pushrods(when geometry is changed) and possibly lifters depending on condition of the stockers. Check out the sticky posted at the top posted by stealthformula. The is a lot of useful information in there. He is the one that helped me out with my selections.
Also by the way your located in tokyo?
Also by the way your located in tokyo?
The cam is a little much for a 350 IMO, for a 408 sure. In a stock bottom end car it would work well for the individual interested in a very strong top-end and willing to sacrifice low-end power and drivability so a not so great choice for a daily. When I was 16 all I wanted to do was stuff the biggest cam in my car that I could find. I wrecked the damn thing so that was a no go and probaly good because it would have been a mistake. I did my research for quite some time and about 2 or 3 years later I got another LT1 and put a nice 224/230 in it and it was great all around, sounded good too.
You can line up the chain dot-to-dot and be ok but the best way is to use a degree wheel. When I put my cam in I just did the dot-to-dot method and all is well but I recommend and will next time do it right with a degree wheel. If your the slightest bit off with dot-to-dot you could throw things off and slap a valve or two so if you do it that way make sure you have it lined up the best you can.
Last edited by StealthFormula; 10-05-2009 at 10:35 PM.
10-05-2009, 10:42 PM
#15
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If your going that far, you might as well just go solid roller, and even ported stock castings wont move enough air for a 408 with that kinda cam. Your gunna need a set of well ported AFR 210 eliminators on that bad boy. 42# injectors minimum, a replacement for the stock fuel pump, Then your limiting factors will be the throttle body ( even an AS&M monoblade) and the stock ported intake.
In all reality, your enthusiasm is great, but you will be getting in way over your head for a 16 yr old looking for a ride to school. Not to mention your parents may have to burry you before you finish college. The motor your peicing together is for an NA LTX shootout car, not a replacement for a school bus. Not hating, but thats my .02......
In all reality, your enthusiasm is great, but you will be getting in way over your head for a 16 yr old looking for a ride to school. Not to mention your parents may have to burry you before you finish college. The motor your peicing together is for an NA LTX shootout car, not a replacement for a school bus. Not hating, but thats my .02......
10-05-2009, 10:48 PM
#16
very true. I had a 383 dual 750 hollys in my bagged and bodydropped truck in high school and that was way to much engine for me back then. I built it myself but it only got 6 miles to the gallon. It was not a practical vehicle to drive everyday much less the amount of power it put out. I was always trying to race everyone in that thing on the street and was very negligent and reckless on the streets. I am older and smarter now and know there is a place and time for it.
10-06-2009, 12:16 AM
#18
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im from texas also 
10-06-2009, 07:04 PM
#20
If your going that far, you might as well just go solid roller, and even ported stock castings wont move enough air for a 408 with that kinda cam. Your gunna need a set of well ported AFR 210 eliminators on that bad boy. 42# injectors minimum, a replacement for the stock fuel pump, Then your limiting factors will be the throttle body ( even an AS&M monoblade) and the stock ported intake.
In all reality, your enthusiasm is great, but you will be getting in way over your head for a 16 yr old looking for a ride to school. Not to mention your parents may have to burry you before you finish college. The motor your peicing together is for an NA LTX shootout car, not a replacement for a school bus. Not hating, but thats my .02......
In all reality, your enthusiasm is great, but you will be getting in way over your head for a 16 yr old looking for a ride to school. Not to mention your parents may have to burry you before you finish college. The motor your peicing together is for an NA LTX shootout car, not a replacement for a school bus. Not hating, but thats my .02......
i understand. what i failed to mention that if i do build the 408 i would be buying soem afr heads and it woudl not be driven aroudn alot.
and about me beign burried it can happen in a crappy 4 cylinder right??
and i woudl probally go with a diff cam with that build and just keep this one put it in my daily when i blow it up