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224 on XFI lobes vs TR224

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Old Feb 1, 2009 | 08:30 PM
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Default 224 on XFI lobes vs TR224

I had a TR 224 in my previous car that I sold and loved the way it performed and drove. I would like to go with the same size cam but was wondering if the XFI lobes would make a little more power or go with the very prooven TR 224 cam again.
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Old Feb 2, 2009 | 12:49 PM
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Depending on the heads, there's no doubt the XFI will make more power since the lift is greater.
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Old Feb 2, 2009 | 05:13 PM
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not necessarily, bigger cam doesn't = more power... sorry i cant help more
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Old Feb 2, 2009 | 05:19 PM
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Originally Posted by Ryan L
Depending on the heads, there's no doubt the XFI will make more power since the lift is greater.
Those are some very good numbers for a cam that size with stock heads. I was considering the same 224/230 cam that you have since I am gonna go with spray also. What LSA do you have it on, also would you happen to know the ICL of the cam also?
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Old Feb 2, 2009 | 07:27 PM
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224/230 .609/.604 113+2 is what I'm running. The extra lift and 6 degrees on the exhaust helped alot.

There's been several threads on here of ~430-440rwhp/~390-410rwtq using stock 243 heads (low numbers are for 5.7 while the higher end are the 6.0). I'm curious if the TR224 can achieve the same.
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Old Feb 4, 2009 | 07:33 AM
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^ are your numbers corrected or uncorrected?
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Old Feb 4, 2009 | 07:14 PM
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This thread is interesting because none of the big cam names have responded
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Old Feb 4, 2009 | 07:16 PM
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The 'new' XFI lobes haven't caught a whole lot, so I wouldn't expect much of a response from the typical XER crowd.
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Old Feb 4, 2009 | 07:34 PM
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Originally Posted by Ryan L
The 'new' XFI lobes haven't caught a whole lot, so I wouldn't expect much of a response from the typical XER crowd.
What was your reason for going with the larger split?

I installed a 224/236 XFI cam in my LQ4. I ahven't had it on the road yet to see the difference in that and my old 228 cam.

There isn't much love for the XFI lobes here is there.
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Old Feb 4, 2009 | 07:40 PM
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Patrick G spec'ed it for me based on my needs, so I rolled with it. Patrick G has spec'ed a ton of XFI/XFI cams while Predator is doing alot of XFI/XER. They are two of the most knowledgable cam people on here, so I'm shocked that more vendors haven't jumped on the bandwagon.
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Old Feb 5, 2009 | 09:40 AM
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an XFI 224 has the potential to make much more power than the tr224.

Its all based on the setup of course.
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Old Feb 5, 2009 | 03:20 PM
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I've cut many custom grinds based on XFI lobes and have had very good results with them. They are more stable than XE-R lobes WITH more lift... a win-win in my book.

Thanks,
Shane
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Old Feb 5, 2009 | 04:23 PM
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^ so the TR224 uses XFI lobes?
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Old Feb 5, 2009 | 04:50 PM
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Originally Posted by greatskiiiier
^ so the TR224 uses XFI lobes?

no, they're proprietary Thunder Racing lobes
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Old Feb 5, 2009 | 05:16 PM
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I wouldnt changed just on lobe design. Id go bigger
I put down 370 RWHP and 360 RWTQ with all the bolt ons and the TR224
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Old Feb 5, 2009 | 05:26 PM
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I have decided to go with the 224/230 that Ryan L has but I don't want to rev it as high. From the graph in his video it looks like it pulls to around 6800 RPMs and I would like to shift no later than 6500 since I will have either a 99 or 00 LS1 car. So what LSA and ICL should I have it ground on to meet my goals?
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Old Feb 5, 2009 | 07:45 PM
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Originally Posted by greatskiiiier
^ so the TR224 uses XFI lobes?
Originally Posted by oange ss
no, they're proprietary Thunder Racing lobes
You are correct sir... They are our own lobe. I was just commenting that the XFI lobes are great lobes.

Thanks,
Shane
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Old Feb 5, 2009 | 07:55 PM
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Originally Posted by mchdg86
I have decided to go with the 224/230 that Ryan L has but I don't want to rev it as high. From the graph in his video it looks like it pulls to around 6800 RPMs and I would like to shift no later than 6500 since I will have either a 99 or 00 LS1 car. So what LSA and ICL should I have it ground on to meet my goals?
110 Lsa + 0 advance would peak around 6300 rpm and have awesome low end torque. Or you could do a 111 + 1.
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Old Feb 5, 2009 | 10:07 PM
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Im in your same boat and i was looking at the el torro wich is a 230/230 612 592 111lsa which is xfi/xer lobe... but instead i was wonderin how maybe a 230/232 612 595 111lsa xfi/xer would perform and if gains against the 230/230.... or maybe SOMbitch's cam 230/234 612 598 on a 111lsa?? what would the extra exhaust duration do compared to the 230/230??
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Old Feb 5, 2009 | 11:21 PM
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I bet there are quite a few people with custom cams running XFI lobes but the don't know it.
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