Cam for 427 A4 street machine
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From: Republic of Texas
Cam for 427 A4 street machine Well, 7 months of tax free income deployed here in Iraq has allowed me to write a check for a 427 longblock. It won't go in until at least Jan when I return. I have an A4 with a Vig 3200 (will probably keep the converter for awhile). What cam will be a good in between of power and drivability? I don't mind a little lope, but I don't want the car to shake apart.
Later, Mike
Later, Mike
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From: Elmhurst, IL (Chicago Suburb)
Re: Cam for 427 A4 street machine Thats a nice big motor that REALLY needs an adequate CAM and i suggest nothing other than MTI battle tested and venerable S1 cam (244/244, 112lsa on .612 lift) that i run in my MTI 427 Motor for my 98 A4 Vette that PERFORMS like a champ and HAS NEVER STALLED with MTIs expert tuning.
GO FOR THE GUSTO! YOu won't be dissapointed and GOD BLESS You for your EFFORTS in IRAQ on behalf of our COUNTRY!!
GO FOR THE GUSTO! YOu won't be dissapointed and GOD BLESS You for your EFFORTS in IRAQ on behalf of our COUNTRY!!
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From: Republic of Texas
Re: Cam for 427 A4 street machine You think that small? The engine builder is putting one together now for another member. Told me it was a mild setup with a 240/240 .600/.600 I think (114 lsa?) I've been out of the loop for a good while so I don't really know the current hot setups. I was actually thinking of something at least as big as the above cam on maybe a 115 to help smooth it out and put the powerband a little higher. Don't really want to go higher than .600. I don't know. Still have alot of time to figre out the details.
Later, Mike
Later, Mike
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Re: Cam for 427 A4 street machine Hey, MTI 427, just saw your post man. So, you really like that cam? How smooth is it on a 112? Where do you make peak power at?
Later, Mike
Later, Mike
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From: Elmhurst, IL (Chicago Suburb)
Re: Cam for 427 A4 street machine MIKE,
It always an subjective thing as to what is smooth or streetable for one guy vs. another. That being said, i would suggest that the cam is quite smooth as long as tuned by a PRO like JASON at MTI who did mine, who you could get a computer tune via the mail from. IF you are concerned with the 112 then MTI can custom grind this exact cam for you on a 114 lsa and it will idle like stock. I like a bit of hot rod lope and its PERFECT for me and NEVER STALLED ONCE ON ME but i am running at Yank 4000 stall which helps b/c of vacum created by the larger converter.
I say go for it and go 114 if you want a more conservate idle. This cam should make max power around 6200 rpms.
It always an subjective thing as to what is smooth or streetable for one guy vs. another. That being said, i would suggest that the cam is quite smooth as long as tuned by a PRO like JASON at MTI who did mine, who you could get a computer tune via the mail from. IF you are concerned with the 112 then MTI can custom grind this exact cam for you on a 114 lsa and it will idle like stock. I like a bit of hot rod lope and its PERFECT for me and NEVER STALLED ONCE ON ME but i am running at Yank 4000 stall which helps b/c of vacum created by the larger converter.
I say go for it and go 114 if you want a more conservate idle. This cam should make max power around 6200 rpms.
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From: Columbia Mo
Re: Cam for 427 A4 street machine Well I have one coming now and MTI told me 244/244 612 lift, 112 LSA
I am told it will be near the same as my 224/224 114LSA I run in my 346 as far as idle and lope... guess we shall see
I am told it will be near the same as my 224/224 114LSA I run in my 346 as far as idle and lope... guess we shall see
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From: Republic of Texas
Re: Cam for 427 A4 street machine Well, I don't know, maybe I'm getting too hung up on the smooth idle thing. As long as it won't die at stoplights and I can still crank it up easy and use the a/c I'll be happy. I'm spending big bucks for this motor to race it, might as well squeeze all the power I can from it. So the question now is, how huge should I go?
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Brett Foote TECH Fanatic
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From: Elmhurst, IL (Chicago Suburb)
Re: Cam for 427 A4 street machine 11 Bravo,
Dude, the S1 MTI cam in its original specs of 244/244, .612 lift on a 112lsa is a very aggressive street/racing LSX cam and is perfect for a 422 LS1/6 Cid, bad *** street aplication (especially in a A4 car). This cam is a PROVEN performer as its the exact cam that powered the COLONEL 9 sec N/A MTI 422 f-body and NINEBALLs Cannibal Car when he owned it, good for solid 10 sec. time slips (on motor).
As MTI is currently finishing the completion of my C5R block Z07 427 motor as we speak (its being dyno tuned tommorrow
) i inquired with the owner, JAYSON, about going any larger for more power and he told me anyting larger in a hyd. application starts "To reach the point of diminising return."
Talk to a few experts yourself like the MTI crew or thunder racing, ARE, LGM, etc. and see what they have to say for what your use and application will be. Trust me when i tell you the S1 should be PLENTY of cam for your 427 street driven A4 car!
Good Luck and get home safely!!!!!!!!!!!!!!!!!!
Dude, the S1 MTI cam in its original specs of 244/244, .612 lift on a 112lsa is a very aggressive street/racing LSX cam and is perfect for a 422 LS1/6 Cid, bad *** street aplication (especially in a A4 car). This cam is a PROVEN performer as its the exact cam that powered the COLONEL 9 sec N/A MTI 422 f-body and NINEBALLs Cannibal Car when he owned it, good for solid 10 sec. time slips (on motor).
As MTI is currently finishing the completion of my C5R block Z07 427 motor as we speak (its being dyno tuned tommorrow
) i inquired with the owner, JAYSON, about going any larger for more power and he told me anyting larger in a hyd. application starts "To reach the point of diminising return."Talk to a few experts yourself like the MTI crew or thunder racing, ARE, LGM, etc. and see what they have to say for what your use and application will be. Trust me when i tell you the S1 should be PLENTY of cam for your 427 street driven A4 car!
Good Luck and get home safely!!!!!!!!!!!!!!!!!!
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Re: Cam for 427 A4 street machine Thanks, man. End the end, I will go with whatever the engine builder says I should go with, he hand ports the heads as well. But, it sounds like the S1 is the best thing going. I also emailed Kooks to see about having some custom 2" headers made. That should help out alot.
Later, Mike
Later, Mike
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Re: Cam for 427 A4 street machine
Thanks, man. End the end, I will go with whatever the engine builder says I should go with, he hand ports the heads as well. But, it sounds like the S1 is the best thing going. I also emailed Kooks to see about having some custom 2" headers made. That should help out alot.
Later, Mike
Later, Mike
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From: Republic of Texas
Re: Cam for 427 A4 street machine
Thanks, man. End the end, I will go with whatever the engine builder says I should go with, he hand ports the heads as well. But, it sounds like the S1 is the best thing going. I also emailed Kooks to see about having some custom 2" headers made. That should help out alot.
Later, Mike
Later, Mike
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Re: Cam for 427 A4 street machine Well, I read in (I know, I know) the GMHTP article about More Perf 427 build up that they picked up 40fwhp going to their stepped 1 7/8-2" headers.
During my research, every shop I spoke with said 1 7/8" are the best for a street type stroker with a hyd cam and other normal parts like your motor.
Go with the Grot 1 7/8".
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Re: Cam for 427 A4 street machine As far as the S1, it does sound like it may be the best right now, but I remember when everyone was saying that 224's was the limit for 346's.
How on earth could that go into a 346ci?
Teching In
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Re: Cam for 427 A4 street machine
Well I have one coming now and MTI told me 244/244 612 lift, 112 LSA
I am told it will be near the same as my 224/224 114LSA I run in my 346 as far as idle and lope... guess we shall see
I am told it will be near the same as my 224/224 114LSA I run in my 346 as far as idle and lope... guess we shall see
Or do you also have a 427? I think you're gonna be unpleasantly surprised when it shakes your fillings out if you're putting the S1 in a 346. Will it even work in a 346?
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From: Republic of Texas
Re: Cam for 427 A4 street machine As far as the S1, it does sound like it may be the best right now, but I remember when everyone was saying that 224's was the limit for 346's.
How on earth could that go into a 346ci?
Teching In
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Re: Cam for 427 A4 street machine As far as the S1, it does sound like it may be the best right now, but I remember when everyone was saying that 224's was the limit for 346's.
How on earth could that go into a 346ci?
