lobe intensity on T-rex(advertise duration)
#1
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lobe intensity on T-rex(advertise duration)
Does anyone know the advertised duration on the T-rex? The comp Xtreme LS1 lobes have an intensity number of 49 degrees. I need to compare the T-rex but I need the advertised numbers and at what lift (i.e @ .006"). Less is unquestionably more.
Any help would be greatly appreciated.
Thanks.
Any help would be greatly appreciated.
Thanks.
#3
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Originally Posted by DAPSUPRSLO
Just look for the 242 xe-r lobe. I believe they are the exact same lobe as that of the intake. 248 xe-r is for the exhaust. Must all advetised numbers are at .006".
Thanks.
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These lobes are not quite as fast as the comp cam lobes with their intensity being #51 as compared to comp's #49. Not only that but comp is about $32.00 cheaper from their factory than thunderracing. This should be an interesting comparison. Of course the cams are not identical per duration and lift but quite close...
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Originally Posted by DragLS1
Yeah the XE-R lobes are the most aggressive H-roller design that I could find, their intensity # being 49. The lobes that I am considerind are the 244, 248, .612, .615 on a 109 LSA. A bit different than the T-rex. I just want to see how they compare.
Thanks.
Thanks.
#9
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Originally Posted by 2001 Pewter WS6
That is the same specs I am putting in my 408 but on a 112LSA +2 advance. What size motor are you putting this in???
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Originally Posted by DragLS1
Yeah the XE-R lobes are the most aggressive H-roller design that I could find, their intensity # being 49. The lobes that I am considerind are the 244, 248, .612, .615 on a 109 LSA. A bit different than the T-rex. I just want to see how they compare.
Thanks.
Thanks.
#11
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Lobe#, Dur. @ .006", .050", .200", & Lift w/1.7 rocker
2124 265 215 142 .629"
2125 269 219 145 .632"
2126 273 223 149 .636"
2127 277 227 153 .639"
2128 281 231 156 .643"
2129 285 235 160 .646"
2130 289 239 164 .649"
2131 293 243 168 .653"
2132 297 247 171 .656"
2133 301 251 175 .660"
2134 305 255 179 .663"
2135 309 259 183 .663"
2136 313 263 186 .663"
2124 265 215 142 .629"
2125 269 219 145 .632"
2126 273 223 149 .636"
2127 277 227 153 .639"
2128 281 231 156 .643"
2129 285 235 160 .646"
2130 289 239 164 .649"
2131 293 243 168 .653"
2132 297 247 171 .656"
2133 301 251 175 .660"
2134 305 255 179 .663"
2135 309 259 183 .663"
2136 313 263 186 .663"
#12
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Originally Posted by DAPSUPRSLO
Lobe#, Dur. @ .006", .050", .200", & Lift w/1.7 rocker
2124 265 215 142 .629"
2125 269 219 145 .632"
2126 273 223 149 .636"
2127 277 227 153 .639"
2128 281 231 156 .643"
2129 285 235 160 .646"
2130 289 239 164 .649"
2131 293 243 168 .653"
2132 297 247 171 .656"
2133 301 251 175 .660"
2134 305 255 179 .663"
2135 309 259 183 .663"
2136 313 263 186 .663"
2124 265 215 142 .629"
2125 269 219 145 .632"
2126 273 223 149 .636"
2127 277 227 153 .639"
2128 281 231 156 .643"
2129 285 235 160 .646"
2130 289 239 164 .649"
2131 293 243 168 .653"
2132 297 247 171 .656"
2133 301 251 175 .660"
2134 305 255 179 .663"
2135 309 259 183 .663"
2136 313 263 186 .663"
#13
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Be careful when speaking of lobe intensity. The advertised verses .050" duration intensity is very similar between these cams (50.6 in the intake lobe of the TREX verses 50 for the intake lobe of my cam). Now compare the at .050" verses at .200" intensity (79.8 for the intake lobe of the TREX verses 75 for the intake lobe of my cam). What this equates to is very similar intensity from the .006" to .050" range and much greater intensity (more agressive) in my intake lobe from the .050" to .200". range.
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Originally Posted by DragLS1
I guess I should have specified: the most intense lobe with the duration that I want under .620" lift so I can use the stock long block minus the cam
Gottcha
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Originally Posted by DAPSUPRSLO
Be careful when speaking of lobe intensity. The advertised verses .050" duration intensity is very similar between these cams (50.6 in the intake lobe of the TREX verses 50 for the intake lobe of my cam). Now compare the at .050" verses at .200" intensity (79.8 for the intake lobe of the TREX verses 75 for the intake lobe of my cam). What this equates to is very similar intensity from the .006" to .050" range and much greater intensity (more agressive) in my intake lobe from the .050" to .200". range.
Thanks
Jess