to advance or retard the cam
Not meant to hijack your thread, but I have the sam quesiton. I don't like taking my car in the higher RPM ranges, is it safe to advance the cam? Are there any other benefits or cons of this? Is it worth the time to do? Will it change the emmisions of the motor? Thanks.
Originally Posted by Hugger SS
so would it benefit me to retard the timing since I have an heads/cam A4 with a pt4200 stall?
Generally it only moves the power band 50 or so rpm per degree.
You should pick a cam in duration to do what you want, low end torque or top end.
Moving a cam one way or the other will hurt the opposite extreme.
I would say generally degree the cam in initially to specs on cam card.
Then you could opt to retard/advance the cam to customize your combo.
You should pick a cam in duration to do what you want, low end torque or top end.
Moving a cam one way or the other will hurt the opposite extreme.
I would say generally degree the cam in initially to specs on cam card.
Then you could opt to retard/advance the cam to customize your combo.
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I just got a TR224 114 cam with no advance or retard ground in that I know of. My timing set allows me to advance or retard the cam 2, 4, 6, or 8 degrees. I would love to more even more bottom end and don't mind losing some top end. Will advancing the cam provide any benefit or disadvantage. Will it effect emissions? Thanks!
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Dude you better not put that car back together after breaking a timing chain. You will be pulling it apart all over again. You need to pull those heads and have them inspected along with checking your pistons. Otherwise you'll probably just be setting yourself up to create more damage......JMO
Josh
Josh
Originally Posted by Ferocity02
I just got a TR224 114 cam with no advance or retard ground in that I know of. My timing set allows me to advance or retard the cam 2, 4, 6, or 8 degrees. I would love to more even more bottom end and don't mind losing some top end. Will advancing the cam provide any benefit or disadvantage. Will it effect emissions? Thanks!
Thread Starter
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Joined: Oct 2003
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From: Texas
Originally Posted by 2001 Pewter WS6
What are the specs of the cam??? What are your shift points? If you have a 220/220 +4 then it may benefit you to retard the cam -2 to -4 but if you have a 230/230 +4 then I would leave it a lone. My cam is a 236/240 112LSA +4. I left it at that and I have a 4400 stall converter and shift at 6800rpm. A smaller cam will run out of steam at higher RPM's a bigger cam makes less hp in the lower rpms but makes more up top.
My cam specs are 595/595 230/230 110+0...so advance,retard,or leave it alone?
Originally Posted by Hugger SS
My cam specs are 595/595 230/230 110+0...so advance,retard,or leave it alone?
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Joined: Aug 2003
Posts: 335
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From: Vacaville, CA
So if I ran a TR230 or a TSP 232/228 in my car, and I wanted to shift around 6500 to 6600, how much advance would be best? I think the TR230 comes ground straight up, and Im not sure, but I think the TSP 232 cam comes ground with 2* advance ground in. I like the VE's of a cam about this size put in straight up, but Id like someone else's opinion. Thanks guys
Hey Hugger, did you have to flycut the pistons to help that cam clear the valves???
Hey Hugger, did you have to flycut the pistons to help that cam clear the valves???
You have a 4200 stall. You want your cam advanced or retarded where peak torque (with converter locked) is 500 rpm above your stall speed. You will then shift 200-400 above peak hp. Finally, gear it so you are 200-400 rpm above peak hp at the lights in 3rd gear.
If you did not already have a stall speed set then a little different set of rules would apply.
If you did not already have a stall speed set then a little different set of rules would apply.
