![]() ![]() It isn't possible to overcarb your engine since the Rochester will only flow the required amount you need at any time.Pontiac did make aluminium HO intakes.part number 483674 is a good one to get but will be rare and expensive to buy. The stock Rochester will supply all your fuel you will want up to 750 cfm reliably.VERY reliably, based on the Pontiac stock intakes produced at the time. So, for my money, a manifold somewhere between the two, that is to say, a good torque generator and one that will respond in the lower rev ranges, and one that will make use of better heads, cam and carb. That's a given.The Edelbrock Torker Manifold was in the high performance manifold category, intended for lighter weight cars which accelerated quickly through the lower rpm ranges, and had the internals to rev to higher rpm levels around the 6,000 mark, and flowed better through the higher rev ranges. Now if you have a car that weighs in at around the 3,500 lb mark then you need low rpm torque to get you off the line efficiently. You will find that the stock performance manifolds work best on engines with8- 9.5:1 compression ratios and usually rev to around the 5,000-5,500 range, i.e., Pontiac. I would adventually like to have 400-475 horsepower. Any pointers or suggestions would be greatly appreciated. Is this a good decision or to much carb and will this carb work well with the edelbrock performer rpm manifold? I was thinking of putting in a Holley 770 cfm street avenger also. Also, I assume the carb is a little undersized as I know Pontiac put 750 q jets in as a stock carburetor. Should one or both of these be changed? I have heard a lot of people say the orginal torkers didn't work well, and to go with an edelbrock performer rpm. It has an edelbrock torker manifold and a Holley street avenger 670 carburetor on it now. ![]() I am still trying to figure out the engine vin number very tough to read in the rear of the passenger side. I know it is not a numbers matching engine as it has wt stamped for an engine code and it has 62 heads so I'm pretty sure its a 68 to 70 engine if I where to guess. At higher rpms everything seems fine, it will even squeal the tires between first and second. I just put a 3:73 rear end and it has the original automatic 3 speed transmission in it. The take off seems a bit sluggish and has a hard time spinning the tires even. The question I have is it seems to run ok, but not like I remember of a 1968 I once rode in. ![]() To know more about FineLine and what they can offer, visit Vivid Racing and check out their list of products that fit your specific requirement.I am a new member to this site as I just recently was able to purchase my dream car that I wanted for years. They offer a wide variety of tubing and hose products in various styles and shapes and OE style fittings and components for easy installation. If you are in the market for high-quality tubing for your vehicle, then look no further as FineLine is the brand for you. Purchase FineLine Products At Vivid Racing It allows the company to manufacture tubings that are as strong if not better than the original. To ensure product quality, the company uses stainless steel braided Teflon or aramid braided Teflon and other high-quality materials such as high-grade Galvan and stainless steel. It allows them to manufacture products with exact precision, which allows their product to be installed quickly and hassle-free. FineLine is CNC bent to get the perfect curves and prevent any kinks that restrict the diameter of the tubes. To create top-notched products, the company utilizes state-of-the-art equipment and manufacturing techniques. Today, they are considered as one of the leading brands in their market segment. Their goal is to expand their product offering while maintaining the highest quality continuously. The company takes great pride in its products and the people who create them. They specialize in manufacturing high-quality tubing products for the automotive industry. FineLine is a Canadian company that was founded in 1987 and is located at Truro, Nova Scotia. ![]()
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