Need help selecting a cam...
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Teching In
Joined: Jun 2002
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From: Gaithersburg, MD
Need help selecting a cam... I have a '99 6-speed C5, w/LT headers, LS6 intake, aftermarket exhaust and filter, stock cats, looking for a cam to use with stock heads and no programming for now. Here's my laundry list :
- Want strong low-mid power, rather than all mid-high end
- Decent idle on stock programming (daily driver)
- Longevity, so probably not too high lift.
- Most probably 114 LSA for idle and emissions
I've been thinking about the MTI B1, TR220 and the TR224. Any other suggestions or recommendations?
<small>[ June 16, 2002, 12:27 AM: Message edited by: TenaciousD ]</small>
- Want strong low-mid power, rather than all mid-high end
- Decent idle on stock programming (daily driver)
- Longevity, so probably not too high lift.
- Most probably 114 LSA for idle and emissions
I've been thinking about the MTI B1, TR220 and the TR224. Any other suggestions or recommendations?
<small>[ June 16, 2002, 12:27 AM: Message edited by: TenaciousD ]</small>
TECH Apprentice
Joined: May 2002
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From: Leg Dist #31, WA
Re: Need help selecting a cam... If yer not willing to program for the bigger cam, then why cam at all?
Idle problems can be solved easily enough by tuning. You want what you want: Get a custom cam. All those cams will develop power a little higher up than you sound like you want.
(Why the stock cats with all that nice breathing going on?)
Howsabout a 216/222 .570/.570 @ 112?
Idle problems can be solved easily enough by tuning. You want what you want: Get a custom cam. All those cams will develop power a little higher up than you sound like you want.
(Why the stock cats with all that nice breathing going on?)
Howsabout a 216/222 .570/.570 @ 112?
Thread Starter
Teching In
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From: Gaithersburg, MD
Re: Need help selecting a cam... The programming issue is that I'm trying to avoid the cost of doing it for a few months, not that I wouldn't do it, it seems I've read of a few people who've gotten away with the stock programming on the TR220 at least.
I've talked to a couple of knowledgeable guys who work on C5's all the time, who thought the stock cats (no pre-cats like the '00-'03 has) would flow well enough for my application. Threads on the corvetteforum always seem to indicate high flow cats made little to no difference. Can you point me to some threads that might show where they helped on a C5?
The 216/220 sounds ok, but that .570 lift makes me nervous.. I'm worried about longevity even with upgraded springs, as I may be driving this car 100,000 miles from now. Should I be worried about high lift, shorter duration vs. lower lift, longer duration?
Also, I think from reading the TR 220 would develop enough low-mid power for me, so I probably don't need a custom grind, I'm more tending to go with a tried-and-true cam that many others have used successfully.
I've talked to a couple of knowledgeable guys who work on C5's all the time, who thought the stock cats (no pre-cats like the '00-'03 has) would flow well enough for my application. Threads on the corvetteforum always seem to indicate high flow cats made little to no difference. Can you point me to some threads that might show where they helped on a C5?
The 216/220 sounds ok, but that .570 lift makes me nervous.. I'm worried about longevity even with upgraded springs, as I may be driving this car 100,000 miles from now. Should I be worried about high lift, shorter duration vs. lower lift, longer duration?
Also, I think from reading the TR 220 would develop enough low-mid power for me, so I probably don't need a custom grind, I'm more tending to go with a tried-and-true cam that many others have used successfully.
Thread Starter
Teching In
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From: Gaithersburg, MD
Re: Need help selecting a cam... Slowhawk,
Was it the TR220 on a 114 LSA or 112? That cam seems like th ebest choice for me, I've heard very good things about it on stock programming.
Was it the TR220 on a 114 LSA or 112? That cam seems like th ebest choice for me, I've heard very good things about it on stock programming.
Re: Need help selecting a cam... </font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">Originally posted by TenaciousD:
<strong>Slowhawk,
Was it the TR220 on a 114 LSA or 112? That cam seems like th ebest choice for me, I've heard very good things about it on stock programming.</strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">114 duration.I was actually surprised with how good it ran.Only adjustments I made was with a MAFT.After all said and done,I gain around 40hp/25tq.The drivability is better than stock.No surging at all,idle is very smooth w/ a slight lope at stock 800rpm and pulls cleanly on the highway from 1200rpm in 6th.
Valve spring are a concern with any Cam.I plan on changing my 918's every 10-15 thousand miles for a sense of security.
<strong>Slowhawk,
Was it the TR220 on a 114 LSA or 112? That cam seems like th ebest choice for me, I've heard very good things about it on stock programming.</strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">114 duration.I was actually surprised with how good it ran.Only adjustments I made was with a MAFT.After all said and done,I gain around 40hp/25tq.The drivability is better than stock.No surging at all,idle is very smooth w/ a slight lope at stock 800rpm and pulls cleanly on the highway from 1200rpm in 6th.
Valve spring are a concern with any Cam.I plan on changing my 918's every 10-15 thousand miles for a sense of security.
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Thread Starter
Teching In
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From: Gaithersburg, MD
Re: Need help selecting a cam... Ok, thanks guys, from extensive research and word of mouth it looks like I'm doing the TR220 114LSA cam, along with the valvetrain upgrade package. Everyone who has the TR220 114 seems to heartily recommend it! <img border="0" title="" alt="[Smile]" src="gr_stretch.gif" />
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Verdad Gallardo Re: Need help selecting a cam... I've got the TR 220 and the power gain was 20hp/20tq at lower rpms and 40hp on top end.I have no Idle or drivability problems with stock programming and stock 800rpm idle.
Teching In
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From: VA
Re: Need help selecting a cam... </font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">Originally posted by TenaciousD:
<strong>Ok, thanks guys, from extensive research and word of mouth it looks like I'm doing the TR220 114LSA cam, along with the valvetrain upgrade package. Everyone who has the TR220 114 seems to heartily recommend it! <img border="0" title="" alt="[Smile]" src="gr_stretch.gif" /> </strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">Ditto that. I just ordered mine... <img border="0" title="" alt="[Big Grin]" src="gr_grin.gif" />
BTW, TenaciousD... Who is doing your install???
Cheers,
-- CAMSS
<strong>Ok, thanks guys, from extensive research and word of mouth it looks like I'm doing the TR220 114LSA cam, along with the valvetrain upgrade package. Everyone who has the TR220 114 seems to heartily recommend it! <img border="0" title="" alt="[Smile]" src="gr_stretch.gif" /> </strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">Ditto that. I just ordered mine... <img border="0" title="" alt="[Big Grin]" src="gr_grin.gif" />
BTW, TenaciousD... Who is doing your install???
Cheers,
-- CAMSS
Thread Starter
Teching In
Joined: Jun 2002
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From: Gaithersburg, MD
Re: Need help selecting a cam... camss,
I live right around the corner from Tony's Corvette Shop in Gaithersburg, so I'm going to take it there, they have an excellent reputation for good work and this is one thing I really don;t want screwed up <img border="0" title="" alt="[Smile]" src="gr_stretch.gif" />
btw, I'm now wondering if I'm going to get the 220/112 LSA instead, this cam decision will be the death of me, I'm sure <img border="0" title="" alt="[Smile]" src="gr_stretch.gif" />
I live right around the corner from Tony's Corvette Shop in Gaithersburg, so I'm going to take it there, they have an excellent reputation for good work and this is one thing I really don;t want screwed up <img border="0" title="" alt="[Smile]" src="gr_stretch.gif" />
btw, I'm now wondering if I'm going to get the 220/112 LSA instead, this cam decision will be the death of me, I'm sure <img border="0" title="" alt="[Smile]" src="gr_stretch.gif" />
