tr224 vs f13 which is better
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From: NC, Charlotte / SC, RockHill
a friend of mine with f13 and a 3200 stall , 3.73 and stage 2 pp went 10.6 with a 100 shot and N\A went 11.5 .
dynoed 425.. rwhp.
Car is a 4 door holden Ls1 . Monaro .
dynoed 425.. rwhp.
Car is a 4 door holden Ls1 . Monaro .
Originally Posted by prostock_bigblock
a friend of mine with f13 and a 3200 stall , 3.73 and stage 2 pp went 10.6 with a 100 shot and N\A went 11.5 .
dynoed 425.. rwhp.
Car is a 4 door holden Ls1 . Monaro .
dynoed 425.. rwhp.
Car is a 4 door holden Ls1 . Monaro .
I'd go F13
Both are good cams. But what type of driving do you do? I have the tr224/224 114 cam and have compared it to the f13 cam alot. The tr 224 makes alittle more torque then the f13 at a lower rpms and gives up alittle up top to the f13 about 10 to 15 hp peak. Here is a pic. of my dyno with the tr224 cam on stock ported 806 heads.
http://www.ls1miata.net/gallery/album01/Dyno_graph_006
http://www.ls1miata.net/gallery/album01/Dyno_graph_006
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honestly once you get the tune dialed in and run enough timing down low, the f13 dosnt noticeably lose any torque down low, especially if you add gears to the mix. Up top and it just screams. Many 400+ RWHP cam only cars running the f13.
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Launching!
Joined: Apr 2005
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From: Abilene, TX
I say go F14, driveability won't really be any different but the lope will definitely be more pronounced on the F14, to be so similar the F14 sounds like a beast compared to an F13......as for low end torque at 3000 rpm i'm already at 350 and it is a nice flat curve up to my peak of 385 at about 5000 before the torque started falling off and the horsepower is a straight climb all the way to 6500 FWIW.
Originally Posted by slpss9723
I say go F14, driveability won't really be any different but the lope will definitely be more pronounced on the F14, to be so similar the F14 sounds like a beast compared to an F13......as for low end torque at 3000 rpm i'm already at 350 and it is a nice flat curve up to my peak of 385 at about 5000 before the torque started falling off and the horsepower is a straight climb all the way to 6500 FWIW.
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Joined: Jun 2005
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From: Was New Orleans, but swam to Baton Rouge
Originally Posted by slpss9723
I say go F14, driveability won't really be any different but the lope will definitely be more pronounced on the F14, to be so similar the F14 sounds like a beast compared to an F13......as for low end torque at 3000 rpm i'm already at 350 and it is a nice flat curve up to my peak of 385 at about 5000 before the torque started falling off and the horsepower is a straight climb all the way to 6500 FWIW.
It's kind of an apples and oranges comparison. The F13 is a larger cam and as such should make more top end power. A more fair comparison would be either our TR224 to other 224 sized cams out there or in comparing the F13 to one of our 230 duration cams for the LS1, such as either the TRak cam or the TR230.
To say that either the F13 or TR224 is 'better' is really stretching things. Those cams are VERY different and meant for different applications.
To say that either the F13 or TR224 is 'better' is really stretching things. Those cams are VERY different and meant for different applications.
Originally Posted by Sigforty
If you can handle it the F14 is a great cam as well. I chose it for my Z06 that I drive daily. It is funny to watch people stare when they hear the lope.
ain't it great 
F13 is a great cam, I have it in my 347 and its only running on a base tune, and I barely have any issues with driving it. Pulls hard all the way - I didn't notice any loss of low end torque either.
On The Tree
Joined: Nov 2005
Posts: 184
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From: Stillwater, OK
I am looking into both of these cams as well, but most people on here say FM13. I read on another post the TR224 beat the FM13 up to 5600 and was only down 10rwhp peak... 
Since it has more power for most of the rpm band is the FM13 that much better? For street use with m6 on 4.10s? Just curious, Thanks 
Since it has more power for most of the rpm band is the FM13 that much better? For street use with m6 on 4.10s? Just curious, Thanks 
Originally Posted by turbotacoma
Both are good cams. But what type of driving do you do? I have the tr224/224 114 cam and have compared it to the f13 cam alot. The tr 224 makes alittle more torque then the f13 at a lower rpms and gives up alittle up top to the f13 about 10 to 15 hp peak. Here is a pic. of my dyno with the tr224 cam on stock ported 806 heads.
http://www.ls1miata.net/gallery/album01/Dyno_graph_006
http://www.ls1miata.net/gallery/album01/Dyno_graph_006
Just curious...that dynograph you have in there, is the one run with cam only and the second run with ported heads? Or what was the difference between the two of them?