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Old 11-16-2023, 05:49 PM   #1
dbs1
 
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Adding sc to the tow truck /fueling question???

2018 Denalli 1500 w/6.2. Currently has tune, headers, 3.73 gears and a Tx Speed stage 1 cam (after the dod ate the cam).

Thinking of adding a Whipple 3.0 sc and wanting to make sure I’ve got the fueling covered. TxSpd says the cam has a 38% fuel lobe. Rwhp should be 650-675.

Anyone know if this would have enough fueling capacity to not have a problem?
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Old 11-16-2023, 06:03 PM   #2
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Is it an LT4 or LT1 engine? If it's LT4, the stock fuel pump should handle all that but you would probably want to throw a JMS on it or something the likes if you want to handle E85 on it.
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Old 11-17-2023, 07:54 AM   #3
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Quote:
Originally Posted by dbs1 View Post
2018 Denalli 1500 w/6.2. Currently has tune, headers, 3.73 gears and a Tx Speed stage 1 cam (after the dod ate the cam).

Thinking of adding a Whipple 3.0 sc and wanting to make sure I’ve got the fueling covered. TxSpd says the cam has a 38% fuel lobe. Rwhp should be 650-675.

Anyone know if this would have enough fueling capacity to not have a problem?
The engine in your truck is basically like a LT1 in a Camaro SS. Pump gas isn't ideal with boost but your cam will help. Fueling is going to depend entirely on how much boost you plan to run which won't be much imo. 7-8psi tops and that isn't really utilizing the Whipple 3.0. You would be better off to go with a LT4 supercharger at that boost level.

Quote:
Originally Posted by ZLRob View Post
Is it an LT4 or LT1 engine? If it's LT4, the stock fuel pump should handle all that but you would probably want to throw a JMS on it or something the likes if you want to handle E85 on it.
I don't believe GM put LT4's in any trucks...the 2018 truck 6.2 is a L86 similar to the LT1.
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Old 11-17-2023, 09:07 AM   #4
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I think the injectors and HPFP will need to be upgraded. Maybe King can chime back in but I swore the L86 fueling was even smaller than LT1 fueling.
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Old 11-17-2023, 11:28 AM   #5
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Quote:
Originally Posted by Joshinator99 View Post
I think the injectors and HPFP will need to be upgraded. Maybe King can chime back in but I swore the L86 fueling was even smaller than LT1 fueling.
You are correct the trucks have smaller in injectors than the Camaro LT1

This gentleman will need an LT4 pump and injectors.

And We stock them.

Ted.
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Old 11-18-2023, 08:45 AM   #6
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Quote:
Originally Posted by Joshinator99 View Post
I think the injectors and HPFP will need to be upgraded. Maybe King can chime back in but I swore the L86 fueling was even smaller than LT1 fueling.
Quote:
Originally Posted by JANNETTYRACING View Post
You are correct the trucks have smaller in injectors than the Camaro LT1

This gentleman will need an LT4 pump and injectors.

And We stock them.

Ted.
This!
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Old 11-18-2023, 12:09 PM   #7
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Originally Posted by KingLT1 View Post
This!
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