The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - What HP is really in the 91 Silverado 350/5.7 engine.

ChevLoRay · 04-06-2009, 10:29 AM

Throttle body spacer (AIRRAID, for example) is legitimate. Don't even think about using a Tornado device. It's all hype, to me. It sounds logical, but it didn't work when I tried it out. Good thing it had a 30-day money-back warranty. I was driving enough to do a good test of it, too.

04-06-2009, 10:29 AM	#7
ChevLoRay Old Skool Club Join Date: Jun 2001 Location: Benton, AR "The Heart of Arkansas" Posts: 10,880	Re: What HP is really in the 91 Silverado 350/5.7 engine. Throttle body spacer (AIRRAID, for example) is legitimate. Don't even think about using a Tornado device. It's all hype, to me. It sounds logical, but it didn't work when I tried it out. Good thing it had a 30-day money-back warranty. I was driving enough to do a good test of it, too. __________________ Member Nr. 2770 '96 GMC Sportside; 4.3/SLT - Daily driven....constantly needs washed. '69 C-10 SWB; 350/TH400 - in limbo The older I get, the better I was.