5/3/2021 0 Comments Building A 283 Chevy Engine
Are you sure you are on manifold vacuum port directly Next, here is a couple videos that you need to watch.The cranks straightforward, Eagle 435030005700 3.00 stroke.Hoping to use my stock 350 rods, and but need a little advice on pistons.
I can find the various 302 chevy options, SRP etc, but just want to have some of you folks look over the parts before I click order buttons. Looking to build a mild street motor with decent MPG, ran 350s too long and after something different, also slightly reduced torque due to drivetrain limitations is welcomed. This is mostly about a nice little smallblock with a good sound that gets decent mileage. ![]() Stock rods Running 87 octane (may have to drop compression slightly with the SRP pistons. Im using these in my 302 although mine will be built for high RPMs. If you want decent mileage I would use 1.941.5 heads and for the most bang for the buck I would also use Vortec heads. The 2.02 heads are really too big for a mileage engine. The physics work like this.Smaller C.I. Building A 283 Chevy Engine Series Engines WithThe exception is the LS series engines with the supporting EFI system. They are not strong enough to spin the kind of rpms normally associated with 302s. ![]() It amazes me how some people think that they can know everything about someone while they know nothing about you. I could go through a list of everything in my engine but I already know from your reply that it wouldnt matter. If this is the way you guys are here then I dont need to stay. Chevy says that the PM rods are stronger than the pink rods so I think I will be just fine. My 302 will see only street driving with occasional 7000 RPM shots. I would highly advise replacing the stock rod bolts and having them resized before putting them in your engine. I would still feel more comfortable with forged H-beams at 7000 rpm, but that is my own personal opinion. Most of us on these forums are more interested in sharing our expertise with others. As for the rods. Theres a number of sealed motor classes in the circle burners running these rods, from talking with a couple of the guys that run them the rods do hold up amazingly well. If the 7000 rpm shots were the exception, not the rule based on what some racers dudes have said about the rods, youre probably going to be fine There was certainly a ton of sbcs with pink rods that went 7,000 quite often, guess they worked good then cuz we just didnt know any better The new manufacturing technologies on some of these OEM parts is really fantastic, getting more ponies out of a stock engine then we got with race engines---and they come with a 3 year warranty. Most rods break because of material flaws, detonation, bad bolts or improper tightening of the bolts. Magnaflux, use good bolts and tighten using a bolt stretch gauge.
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