Ramp difference between 224r and tr224?
Jan 5, 2010 | 11:10 AM
#1
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From: Sublette, KS
Ramp difference between 224r and tr224?
I'm trying to figure out which one i want.. Now the TSP 224R is rated at 273 .006 and i dont know what the TR224 is at .006 I cant find it anywhere! Thunder racing never answers their phone! Can anyone tell me what it is?
Jan 5, 2010 | 11:48 AM
#3
I think I spoke with you on the phone earlier and gave you that .006" info 
For a bit more info and eye candy, here's an old post we made after engine dyno testing their cam vs ours
For a bit more info and eye candy, here's an old post we made after engine dyno testing their cam vs ours
Originally Posted by Texas-Speed
Here's a engine dyno data sheet for you guys to look over. This is where we compared & built baseline data of 224 duration camshafts so we can check advance for best average power.
This comparison shows the following camshafts on the same engine same mods
Thunder 224/224 114 Camshaft
TSP 224R 114 Camshaft
TSP 224R 112 Camshaft
Baseline Stock LS1 Camshaft
From testing we did with these camshafts at different advance points we were able to maximize average power across the board for guys looking for nice hp gains across the board.
This comparison shows the following camshafts on the same engine same mods
Thunder 224/224 114 Camshaft
TSP 224R 114 Camshaft
TSP 224R 112 Camshaft
Baseline Stock LS1 Camshaft
From testing we did with these camshafts at different advance points we were able to maximize average power across the board for guys looking for nice hp gains across the board.
Jan 5, 2010 | 11:52 AM
#4
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From: Sublette, KS
I know for a fact that thunder racing uses their own lobe profile.. They did not use comp's xe lobes. Thunder racing also claims that with the tr224 cam you shouldn't run 1.8 rockers because of its very aggressive ramp rate. My guess is it's got very aggressive ramp lobes... Not no xe lobes...
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Jan 7, 2010 | 09:31 AM
#8
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The guy over at Thunder called me back last night and told me that their 224 lobes were very close in aggressiveness to the Comp xe-r lobes. But he couldn't tell me exactly what they were since they are their own design. Anyway, he talked me into their 227 extreme cam... The lobes are quite a bit more aggressive! So aggressive that the minimum lift they could grind with that duration was .649! I know the lift ain't gunna do me any good when its that high but the duration and ramp rate will. He told me the low end on this cam should be similar to the tr224 but top end should be quite a bit stronger.
