Im a new Guy
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Teching In
Joined: Apr 2014
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From: tulsa oklahoma
Im a new Guy building an lm7 5.3 carb and tick performance cam.
th400 with 3800 stall 3.73 gear what times do you guys think Ill see with this im hung up on the gear I always had lower gears but ive noticed a lot of you guys are running this this is only a drag car no street time at all
th400 with 3800 stall 3.73 gear what times do you guys think Ill see with this im hung up on the gear I always had lower gears but ive noticed a lot of you guys are running this this is only a drag car no street time at all
I think your going to be suprised..
Which tick cam ?
I just got mine going so I haven't been to the track yet.
I may be wrong but I'm pretty confident my 5.3 will break into the low 12s-high11s pretty easy on motor.
It feels pretty strong on the street.
Mine is in a 3000# S10.
Which tick cam ?
I just got mine going so I haven't been to the track yet.
I may be wrong but I'm pretty confident my 5.3 will break into the low 12s-high11s pretty easy on motor.
It feels pretty strong on the street.
Mine is in a 3000# S10.
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Thread Starter
Teching In
Joined: Apr 2014
Posts: 18
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From: tulsa oklahoma
mostly quarter mile the car has a 8.5tenbolt with welded tubes getting ready to purchase spool and 33 spline axles also have caltrac bars im geting excited seeing these little motors put 3000lb mustangs into the 10s but id be super happy with 11s
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Verdad Gallardo But are you running 1/8th mile or 1/4 mile on a regular basis?
1/8th mile you can actually go to a bit higher than 4.10, say 4.30 or 4.56. it will keep the engine in the upper RPM range where it loves to be. But you will run out of gear with 4.56 in the 1/4 and just max out the engine... I have only gotten 4.10 to max out 6000 rpm at just over 98 mph and that was with a turbo 400 transmission. But it was a 14 inch street tire also. So maybe 110-120 max. And make sure your driveshaft is balanced if you have changed anything on it. It is a small investment that keeps your driveline components happy by not having vibration.
1/8th mile you can actually go to a bit higher than 4.10, say 4.30 or 4.56. it will keep the engine in the upper RPM range where it loves to be. But you will run out of gear with 4.56 in the 1/4 and just max out the engine... I have only gotten 4.10 to max out 6000 rpm at just over 98 mph and that was with a turbo 400 transmission. But it was a 14 inch street tire also. So maybe 110-120 max. And make sure your driveshaft is balanced if you have changed anything on it. It is a small investment that keeps your driveline components happy by not having vibration.
these are some stout motors. with just a few modifications, 400+ hp is not at all unreachable. and even more if you are willing to go into head porting and stuff like that. My stock 5.3 was docile as can be on the EFI, and now that I have the carb setup it is a whole different animal.