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SilverGT3RS · 03-18-2024, 09:03 PM

Just an update for anyone interested.

Spent quite a bit of time with Texas Speed and Comp Cams today.

Texas Speed recommended the following:
Bald Eagle Cath Head cam 227/234 .600/.600 111LSA
PRC 227 Heads with a small bump in compression.
42-60 pound Injectors

TS said this set up alone was dynoed on a similar LQ9 at 545-555 hp.
Swapping out truck intake to a FAST intake added approximately 18-22hp.

No issues with power brakes or AC etc

Comp Cams tech was basically recommending one of their cams- the 281LR-HTR13. 231/239 .617/.624 113LSA
Trick Flow 225’s
Upgraded injectors.
FAST intake

Said their testing on similarly equipped LS3 with Fast Intake netted around 570hp/530 TQ
Said the LS1 should be very close to that.

Also said there was some testing posted on YouTube with similar setup that had even higher numbers.

Good stuff.

Talking to BTR tomorrow.

03-18-2024, 09:03 PM	#9
SilverGT3RS Registered User Join Date: Apr 2019 Location: SC Posts: 63	Re: Powering up my LQ9 Just an update for anyone interested. Spent quite a bit of time with Texas Speed and Comp Cams today. Texas Speed recommended the following: Bald Eagle Cath Head cam 227/234 .600/.600 111LSA PRC 227 Heads with a small bump in compression. 42-60 pound Injectors TS said this set up alone was dynoed on a similar LQ9 at 545-555 hp. Swapping out truck intake to a FAST intake added approximately 18-22hp. No issues with power brakes or AC etc Comp Cams tech was basically recommending one of their cams- the 281LR-HTR13. 231/239 .617/.624 113LSA Trick Flow 225’s Upgraded injectors. FAST intake Said their testing on similarly equipped LS3 with Fast Intake netted around 570hp/530 TQ Said the LS1 should be very close to that. Also said there was some testing posted on YouTube with similar setup that had even higher numbers. Good stuff. Talking to BTR tomorrow.