Who wants to build me a 499 shortblock?
12-12-2007, 06:36 PM
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Who wants to build me a 499 shortblock? .... I was thinking of an LSX tall deck block with 4.5" stroke and 4.200" pistons, forged rods and pistons. I'll be looking to do this in the February timeframe, hope some of you sponsors are interested.
I want someone with a rock solid reputation that builds motors with absolute precision that don't burn oil and last and someone who will stand behind the product.
I want someone with a rock solid reputation that builds motors with absolute precision that don't burn oil and last and someone who will stand behind the product.
12-13-2007, 12:18 AM
#4
FormerVendor
.... I was thinking of an LSX tall deck block with 4.5" stroke and 4.200" pistons, forged rods and pistons. I'll be looking to do this in the February timeframe, hope some of you sponsors are interested.
I want someone with a rock solid reputation that builds motors with absolute precision that don't burn oil and last and someone who will stand behind the product.
I want someone with a rock solid reputation that builds motors with absolute precision that don't burn oil and last and someone who will stand behind the product.
12-13-2007, 01:24 PM
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Well, what about a 454 LSX? How are those working out in terms of oil consumption, driveability, etc.? I have a 408 now that drinks oil like it's going out of style and I'm sick of living with it. Something is wrong with it, it only makes 440HP/405TQ at the wheels, but it runs very well. It's tuned perfectly, just not making power. I guess whatever is making it burn all that oil is what is costing me power.
Given this experience, I want a motor that will put 600hp to the wheels with mountains of torque but doesn't burn oil and isn't too tempermental. I have a 236/238 .598/.605 cam right now and grandma could drive my car. If I upped the cam a little and went with bigger cubes do you think I could reach my goal?
Given this experience, I want a motor that will put 600hp to the wheels with mountains of torque but doesn't burn oil and isn't too tempermental. I have a 236/238 .598/.605 cam right now and grandma could drive my car. If I upped the cam a little and went with bigger cubes do you think I could reach my goal?
12-13-2007, 03:12 PM
#6
FormerVendor
Something is probably wrong with your 408 somewhere to consume a "lot" of oil. It obviously isn't helping your power either. Your RWHP depends on you trans and gears etc and is mostly a result of your heads and cam and intake as far as peak power is concerned. 440 at the wheels may not be that bad depending on your combo.
600 at the wheels is not going to be a small cam good idle daily driver type of deal. If you can get some real heads though it is possible on the larger size engines with manual transmissions.
600 at the wheels is not going to be a small cam good idle daily driver type of deal. If you can get some real heads though it is possible on the larger size engines with manual transmissions.
12-14-2007, 02:36 PM
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[QUOTE=VDiddy;8296694]... I have a 236/238 .598/.605 cam right now ...QUOTE]
Not saying it's causing your oil consumption because that could be a number of things, including how the motor was broken in during the first 30 minutes of getting it running. But that cam you have is definitely smallish for the motor.
That 408 will like a TSP MS3 (237/242 .60x/.60x 112LSA I forget the exact numbers) and a good set of heads a lot more, and that's a midrange cam for that size motor. Many 408's out there are running much bigger cams than the MS3.
To figure out and fix oil consumption you probably will have to crack the motor open and have the rings/cyl walls looked at. A cleanup hone, new rings and PROPER break-in procedure after putting it back together should fix that.
Not saying it's causing your oil consumption because that could be a number of things, including how the motor was broken in during the first 30 minutes of getting it running. But that cam you have is definitely smallish for the motor.
That 408 will like a TSP MS3 (237/242 .60x/.60x 112LSA I forget the exact numbers) and a good set of heads a lot more, and that's a midrange cam for that size motor. Many 408's out there are running much bigger cams than the MS3.
To figure out and fix oil consumption you probably will have to crack the motor open and have the rings/cyl walls looked at. A cleanup hone, new rings and PROPER break-in procedure after putting it back together should fix that.
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12-14-2007, 11:36 PM
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Have you changed out the spark plugs recently? If so did they look like something that shouldn't be going on was happening in the cylinders?
-Joel
-Joel
12-21-2007, 10:18 AM
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+1 for Koenig....
My lack of patience shoulda cost me a motor he build, but the Diamond Pistons and quality build stayed together after I lost 3 plugs goofing around w/ a 300 shot on the freeway with a hot plug and NA timing.
He has a great reputation among the LSx crowd.
My lack of patience shoulda cost me a motor he build, but the Diamond Pistons and quality build stayed together after I lost 3 plugs goofing around w/ a 300 shot on the freeway with a hot plug and NA timing.
He has a great reputation among the LSx crowd.
12-21-2007, 11:06 AM
#13
Well, what about a 454 LSX? How are those working out in terms of oil consumption, driveability, etc.? I have a 408 now that drinks oil like it's going out of style and I'm sick of living with it. Something is wrong with it, it only makes 440HP/405TQ at the wheels, but it runs very well. It's tuned perfectly, just not making power. I guess whatever is making it burn all that oil is what is costing me power.
Given this experience, I want a motor that will put 600hp to the wheels with mountains of torque but doesn't burn oil and isn't too tempermental. I have a 236/238 .598/.605 cam right now and grandma could drive my car. If I upped the cam a little and went with bigger cubes do you think I could reach my goal?
Given this experience, I want a motor that will put 600hp to the wheels with mountains of torque but doesn't burn oil and isn't too tempermental. I have a 236/238 .598/.605 cam right now and grandma could drive my car. If I upped the cam a little and went with bigger cubes do you think I could reach my goal?
12-22-2007, 11:28 AM
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I have a 408 now that drinks oil like it's going out of style and I'm sick of living with it. Something is wrong with it, it only makes 440HP/405TQ at the wheels, but it runs very well. It's tuned perfectly, just not making power. I guess whatever is making it burn all that oil is what is costing me power.
I have a 236/238 .598/.605 cam right now and grandma could drive my car. If I upped the cam a little and went with bigger cubes do you think I could reach my goal?
I have a 236/238 .598/.605 cam right now and grandma could drive my car. If I upped the cam a little and went with bigger cubes do you think I could reach my goal?
What the compression?
What kind of cylinder heads?
Whats the centerlines on that camshaft?