GT40 Heads/Question?
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Junior User
Joined: Oct 2009
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From: Navarre
It's a 4x4, sorry I should have specified.
What would the difference in HP/TQ be, if I went with a Comp 35-324-8 cam, bigger Throttle body and MAF Vs the Comp 35-320-8 with stock throttle body and MAF? Or do the GT40 Heads not flow well enough for the 35-324-8?
What would the difference in HP/TQ be, if I went with a Comp 35-324-8 cam, bigger Throttle body and MAF Vs the Comp 35-320-8 with stock throttle body and MAF? Or do the GT40 Heads not flow well enough for the 35-324-8?
Moderator
Joined: Jun 2003
Posts: 3,547
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From: Calhoun GA
[QUOTE=Kemicalburns;8456454]I personally wouldnt run a stall converter on an offroad rig. reason is you generally travel at very slow speeds and you need lockup early to get over obstacles. if you have a stall the tranny will load up, increasing the rpms on the motor and then launch you more or less. this will do many things none of which are positive... [QUOTE]
A higher stall converter wont lunge the truck, it operates the same a stock unit, just at a higher RPM. It does put the motor closer to peak torque which is ideal for off-road use and accelerating from slower speeds. As speed increases, and/or load decreases, the converter will lock anytime in 2,3 or OD. Having a triple disk lock-up is far better for towing and hauling than the stock single disk lockup; a single disk will still slip under heavy load.
A converter upgrade isn't cheap, and there is a bit of work involved, but it makes for a fun driving experience and can prevent damage to the transmission due to converter failure.
A higher stall converter wont lunge the truck, it operates the same a stock unit, just at a higher RPM. It does put the motor closer to peak torque which is ideal for off-road use and accelerating from slower speeds. As speed increases, and/or load decreases, the converter will lock anytime in 2,3 or OD. Having a triple disk lock-up is far better for towing and hauling than the stock single disk lockup; a single disk will still slip under heavy load.
A converter upgrade isn't cheap, and there is a bit of work involved, but it makes for a fun driving experience and can prevent damage to the transmission due to converter failure.
Hotshot
Joined: Jul 2002
Posts: 14,285
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From: Bend,OR
lunge was a bad word to use. being at peak torque in offroad can work against you. to much and you will just spin your tires. rarly do you run in those other gears also. generally in low range and 1st gear.
i do agree upgrading the converter is a good idea if you can afford it. stall speed is debaitable :-)
i do agree upgrading the converter is a good idea if you can afford it. stall speed is debaitable :-)
