|
Re: I6 surging/struggling under acceleration
Quote:
Originally Posted by 78chevstepside
check the fuel filter
|
That may be the first thing to check. I mentioned the vacuum leak because the 250 six in my truck had more than one leak when I bought it. The symptoms were similar to yours. Found a hose with a slit in it and a bad EGR gasket.
Even if changing the fuel filter solves the problem, it's always a good idea to visibly check vacuum hoses, and it never hurts to check manifold vacuum using a gauge like the one below. A stock six should probably make around 18"-20" at idle depending a condition of rings and valves.
https://www.summitracing.com/parts/a...sGQaAm9M8P8HAQ
__________________
Mike
1969 C10 LWB -- owned for 34 years. 350/TH350, 3.08 posi, 1st Gen Vintage Air, AAW wiring harness, 5-lug conversion, 1985 spindles and brakes.
1982 C10 SWB -- sold
1981 C10 Silverado LWB -- sold, but wish I still had it!
1969 C10 (not the current one) that I bought in the early 1980s. Paid $1200; sold for $1500 a few years later. Just a hint at the appreciation that was coming.
Retired as a factory automation products salesman.
Worked part-time over the years for an engine builder and a classic car repair shop.
Member here for 23 years! This is the very first car/truck Internet forum I joined. I still used a dial-up modem back then!
|