The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - 69GMC - Lack of Secondaries/Low High-End Power

**Grumpy old man** · 07-13-2018, 10:10 PM

Post a picture of your engine with the air cleaner off so we can see whats going on , A 750 may be too much carb for your truck who picked that ?

07-13-2018, 10:10 PM	#20
Grumpy old man Senior Member Join Date: Dec 2013 Location: Gods country East,Tn Posts: 8,545	Re: 69GMC - Lack of Secondaries/Low High-End Power Post a picture of your engine with the air cleaner off so we can see whats going on , A 750 may be too much carb for your truck who picked that ?