She does run nice and smooth, but most of my driving is 40mph or slower around the neighborhood, etc. I've been running 91 Octane Gas, not sure if that's necessary or not with this engine. I also think that it should brake the tires loose easier, but it doesn't.very torque when punching around a corner around 2000rpm and if I hold the brake and let off. Haven't pulled plug to check it yet, but it's on the short to do list when I go back to mess with the engine. My concerns are, I think I'm getting very bad gas mileage (best guess when I checked was about 6mpg) she smells like she's running rich. They are a shop that is very much into Chevy and they have built very successful drag cars, so I have no doubts they could handle it, just not sure they wanted to mess with it. I've taken it to one shop to have it tuned (carb still at stock specs from Eddy) and they said it ran great, don't worry about it. I have run this with and without the vacuum advance hooked up, because I want to get the rest dialed in before I spend time figuring that out. There is a nice lope to the cam, but that bothers me because I know a guy with a much much larger cam and his sounds no-where near as 'lopey' as mine. I have idle set at about 700rpms and she sounds very nice, but I do have some exhaust issues I'm working on fixing. I guess I wonder if I should just dial it to 36* at 3500 RPM and call it good? I'm fairly close to that right now, maybe a bit under because I had one or two people say it sounded better turned down a little. I think the reason I'm a bit confused on this is because it seems these are all over the place and even reading the instructions from Bad Ass Engines, it seems to say some stock style distributors don't fully advance until 4500rpm, it seems even the MSD ones are like that UNTIL they loosen up. If I run the RPM's up to about 3500 and set the dial on gun to 36* and get the pointer to O* at the balancer then I should be at my 36*, correct.I get that, but how do I know if I'm 24-26* at the crank and how do I know what the mechanical advance of distributor is? Is that checked at idle? My understanding is best is about 24-26* advance at the crank and about 10* mechanical advance from Distributor for a total timing of 36* BTC. I have been trying to follow the instructions per Bad Ass Engines and I've also looked at a few YouTube sights that seem to use the same instructions, BUT I'm still a bit unsure. She's running well, but I think she's a bit rich and I still question if the timing is perfect. The truck has about 500miles on it since getting her back on the road, so time to start going back and double checking everything. I can provide link if anyone wants them.įast forward to now.
It was about $60 on Amazon, because I had several people say great distributor for the price and my needs. I swapped to HEI Distributor with vacuum advance. The torque converter is a stock converter because the tranny guy said try it first and he didn't seem to think I needed to spend the extra on one with a higher stall.even though Cam's power band is 2200-6500 rpm. I sort of remember possibly going into this years ago, but too long to say for certain, I just went back through it and put everything back where it was this time. My reading also seemed to say Isky Cams are normally spot on, though I realize anyone can mess up.
I didn't have a timing dial and things I read seemed to point to being mainly important on racing engines.good or bad, that's where I am.
Before going into the 'Burb, I stripped it down, replaced the gaskets, relubed everything and put her back together. I initially built the motor 20yrs ago for a different project that never came to be, so it sat. Some have asked about using a dial, but I honestly don't recall doing this or not. When I built the motor, I set the timing at the cam to 4* advance. The car is a 1960 Chevy Suburban (weight of about 3500lbs), 3.90 Posi Rear Diff(stock diff from this truck) and a T350 Tranny. Machinist said it should be about a 330HP Engine. 60 over flat top pistons, ISKY 270/280 Cam, Balanced, stock heads (1974) that have been machined, and an Eddy 1405 Carb on Performer Mani. In case anyone asks, the engine basics are. I've asked before, not sure if here though, about dialing in the timing on my SBC 350.
0 kommentar(er)
