The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - '69 C10 327 SBC Off Idle Stumble / Misfire Help

**paul blair** · 10-29-2018, 01:13 PM

Hi Keith, Do a compression check and see if that tells you some thing! I had a broken valve spring on one cylinder and chased the ignition and fuel systems and did not find the problem until a compression test and a visual on the valve springs. At least you will know if you have a tight engine!

10-29-2018, 01:13 PM	#29
paul blair Senior Member Join Date: Jan 2016 Location: massachusetts Posts: 326	Re: '69 C10 327 SBC Off Idle Stumble / Misfire Help - I feel like I've tried EVERYTHI Hi Keith, Do a compression check and see if that tells you some thing! I had a broken valve spring on one cylinder and chased the ignition and fuel systems and did not find the problem until a compression test and a visual on the valve springs. At least you will know if you have a tight engine!