Thinking about a cam swap...opinions
#1
Thinking about a cam swap...opinions
So my current set up is
73 nova
3620# race weight
Th400 rmvb
3000 converter
9" 3:25 gears
275/60/15 mt's
02 4.8 with gaskets and studs
Current cam is 228/230 112
Gt45 turbo
So my problem is the car has no a**. It's so lazy outa boost and just has no tourqe at all. I know it's a small motor, but I'm thinking there's probably a better cam for my combination. seeing as how I had the current cam left over from my old lq4 build. It pulls hard up top and has trapped 130mph on 14lbs with a 2.0 60ft. I feel like there may be more in it with a better cam choice. I've tried everything to break boost this thing and I can't get more than 1psi on the foot brake and 2 step. So it leaves like a dog. What are some of you guys opinions. Is it worth it to change it to something else or just hit it with a 250 shot out the hole haha
73 nova
3620# race weight
Th400 rmvb
3000 converter
9" 3:25 gears
275/60/15 mt's
02 4.8 with gaskets and studs
Current cam is 228/230 112
Gt45 turbo
So my problem is the car has no a**. It's so lazy outa boost and just has no tourqe at all. I know it's a small motor, but I'm thinking there's probably a better cam for my combination. seeing as how I had the current cam left over from my old lq4 build. It pulls hard up top and has trapped 130mph on 14lbs with a 2.0 60ft. I feel like there may be more in it with a better cam choice. I've tried everything to break boost this thing and I can't get more than 1psi on the foot brake and 2 step. So it leaves like a dog. What are some of you guys opinions. Is it worth it to change it to something else or just hit it with a 250 shot out the hole haha
#7
FormerVendor
iTrader: (3)
I'd recommend our 4.8/5.3 Stage 1 Turbo camshaft. It would really wake the car up without having to mess with the gearing or stall speed.
Specs are 215/219 .612/.585 114+3. What valve springs are you currently running? If it has a good dual spring, or even a stout beehive this cam would drop right in and be a large improvement in performance, especially E.T. at the track.
Specs are 215/219 .612/.585 114+3. What valve springs are you currently running? If it has a good dual spring, or even a stout beehive this cam would drop right in and be a large improvement in performance, especially E.T. at the track.
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#8
I'd recommend our 4.8/5.3 Stage 1 Turbo camshaft. It would really wake the car up without having to mess with the gearing or stall speed.
Specs are 215/219 .612/.585 114+3. What valve springs are you currently running? If it has a good dual spring, or even a stout beehive this cam would drop right in and be a large improvement in performance, especially E.T. at the track.
Specs are 215/219 .612/.585 114+3. What valve springs are you currently running? If it has a good dual spring, or even a stout beehive this cam would drop right in and be a large improvement in performance, especially E.T. at the track.
#9
FormerVendor
iTrader: (3)
I have a set of pac beehives in the car now, but I acually have a brand new set of Bryan tooley dual valve springs I bought from you a couple years ago when you spec'd the cam for my 370. Do you think I would pick up a good amount of bottom to mid range with your stage 1 cam Martin? To give you a better idea my current cam is a xr281hr from comp.
If you'd like, we can cut the duration down even more on the exhaust side which will boost bottom end and mid-range even more. I don't think it's necessary though as the gain going from what you have to the Stage 1 would be a large one IMO.
Decreasing the intake duration 13 degrees along with 11 degrees off the exhaust lobe will help big time.
#11
9 Second Club
iTrader: (2)
martin how do these cams seem to be for lifter noise? I ask because with 615 lift and that short duration that must be a fairly aggressive lobe. seems to me these cams need a pretty stout spring to hold them stable at 6000+rpm.
that cam sounds like a good cam for a 6.0 street sbe engine to me.
that cam sounds like a good cam for a 6.0 street sbe engine to me.