stumbling upon light acceleration can be two different things, both very common. The first is too lazy of a pump shot from the carbs. This means that the accelerator pump needs to be tuned to give an earlier shot of gas, and probably a larger and longer shot as well. The second could be in the spark advance curve. It could be coming on too quickly, or it could be too much initial timing, or a combination of both. I noticed that a hotter cam was listed. Once you deviate from factory valve timing events, in the even of a hotter cam like you listed, then factory spark timing events and specs are really out the window. Why? Because the valves are probably opening sooner, staying open longer, and also creating more valve overlap. I see this with a lot of cars, and have been guilty of it myself in my younger years. An engine is built, presumably with a comination of parts that are designed to work together in the same room range, etc., but the car does not perform due to the combination not being properly tuned. The result? Poor part throttle performance, decreased drive ability, and a frustrated owner. Try adjusting the accelerator pump first. Once done find a nice long stretch of road, get it in top gear, floor it (if it is an auto disconnect your kickdown so you csn do this in top gear). Take notice of any flat spots, hold it wide open until you reach the top of your power bsnd, shut it down, coast to a stop, and inspect your number 1 plug. It should be a brownish tan. If it isn't, you have jetting issues. If you have flat spots, you can tune them out with your advance curve of your distributor. Bottom line: This combo needs tuned!
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I'll second what SteveNL had to say about eBay. I've purchased lots of items over the years there (no cars or high priced stuff, except from sellers who maintained another online selling venue). Most transactions go fairly smoothly. But eBay has become decidedly difficult to do business on as a seller, due to the "protections" they have built in for the buyer. This has raised the cost of doing business there and made selling difficult, and prices definitely higher to the buyer as a result. I recently attempted to sell a car and got a number of bids, two of which exceeded the reserve. The car description was quite detailed, and included links to 4 youtube videos of the car, as well as a substantial number of photos posted on a photo-sharing site. I emailed the "winner" of the auction, who finally responded more than a week later, that "sorry, don't want it anymore". EBay states that "a bid is a contract; if you bid, you are obligated to buy". There are two exceptions; vehicles and one other category. In those cases, a bid is "an expression of interest to buy". What?! The second chance offer I sent to the next highest bidder - also above, and the only other bid above, the reserve price - was ignored. So no sale. A waste of time, and a waste of money. The only time I use eBay now is if I'm desperate enough because I can't find it on Amazon or Rockauto, or at a junkyard within 50 miles.
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