People with TR224 cams or 224 XE-R cams come inside..
09-07-2003, 06:42 PM
#1
People with TR224 cams or 224 XE-R cams come inside.. I would like to know where your horsepower peaks at? I am trying to help 99 Black figure out why his car peaks at 5900rpm.. I would also like to know how much advance you have built into your cam..
09-07-2003, 09:10 PM
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Re: People with TR224 cams or 224 XE-R cams come inside.. i dont have a clue.. i had the car shifting at 6450 on edit
I woulda thought he would peak at around 6200atleast
every car is different though
I woulda thought he would peak at around 6200atleast
every car is different though
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09-08-2003, 04:50 PM
#9
Re: People with TR224 cams or 224 XE-R cams come inside.. I am wondering when 99 Black is going to chime in? This thread is to help him troubleshoot his car peaking at 5900rpm even with him taking 4 degrees of advance out of the cam during install..
09-08-2003, 10:27 PM
#13
Re: People with TR224 cams or 224 XE-R cams come inside.. Vince, I appreciate the thread! Will have a jpeg of my graphs tomorrow to post in the thread.
Since many cams lose ~1 of LSA when Comp grinds them, my 224 XE-R cam was spec'd as a 113 LSA with 4 degrees advance ground in. The cam doctor showed the cam was ground with 1 degree of retard, giving ~3 actual degress of advance. Due to P to V issues because my heads were cut ~.020 to ~.030 the cam was installed with ~2 degrees advance to keep the P to V safe at .075 clearance on the intake side and ~.100 on the exhaust. Cam was degreed in.
224 XE-R with actual LSA of ~112 installed 2 degrees advanced.
Since heads were recived full of metal shavings because they were not cleaned after being decked, they had to come apart. All spring pressures were tested and in spec. Install heights were checked and confirmed. Valve job was inspected etc to make sure everything set up correctly.
Atap show ~27 degrees timing with .1 to .3 degrees of KR. O2's, Ltrims etc were all where they should be. I don't have a O2 A/F because the dyno wasn't set up to give a print out of the A/F verse rpm. At the first dyno session thru the exhaust was 407rwhp thru the cut out was 408rwhp. At the second dyno 408 thru exhaust and 408 thru cut out. We let the car sit and cool down for 45 minutes, it made on pull at 418rwhp thru cut out Next pull was 413rwhp.
Looks like my 224 XE-R is peaking lower than anyone elses.
Since many cams lose ~1 of LSA when Comp grinds them, my 224 XE-R cam was spec'd as a 113 LSA with 4 degrees advance ground in. The cam doctor showed the cam was ground with 1 degree of retard, giving ~3 actual degress of advance. Due to P to V issues because my heads were cut ~.020 to ~.030 the cam was installed with ~2 degrees advance to keep the P to V safe at .075 clearance on the intake side and ~.100 on the exhaust. Cam was degreed in.
224 XE-R with actual LSA of ~112 installed 2 degrees advanced.
Since heads were recived full of metal shavings because they were not cleaned after being decked, they had to come apart. All spring pressures were tested and in spec. Install heights were checked and confirmed. Valve job was inspected etc to make sure everything set up correctly.
Atap show ~27 degrees timing with .1 to .3 degrees of KR. O2's, Ltrims etc were all where they should be. I don't have a O2 A/F because the dyno wasn't set up to give a print out of the A/F verse rpm. At the first dyno session thru the exhaust was 407rwhp thru the cut out was 408rwhp. At the second dyno 408 thru exhaust and 408 thru cut out. We let the car sit and cool down for 45 minutes, it made on pull at 418rwhp thru cut out Next pull was 413rwhp.
Looks like my 224 XE-R is peaking lower than anyone elses.
09-10-2003, 11:19 PM
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Re: People with TR224 cams or 224 XE-R cams come inside.. even though i haven't had any tuning or had my rev limiter upped it pulls hard all the way to the rev limiter....my lsa is 112 and i installed mine straight up
09-11-2003, 12:17 AM
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Re: People with TR224 cams or 224 XE-R cams come inside.. I got my cam today was wondering where it will peak its is a 224/224 .570/.570 110lsa.
I was hoping it would peak near 6000 rpm. does that sound right?
I was hoping it would peak near 6000 rpm. does that sound right?
09-11-2003, 03:02 AM
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Re: People with TR224 cams or 224 XE-R cams come inside.. Vince mine peaks around 5900 as well and it was installed straight up with 4 degrees of advance built in. This was with the SLP headers on also.