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    355s vs. 373s

    I've run 273, 327,355,373,410. I'm now going to 430. For a street car the 373s were my favorite. Couple that with a T5 and you'll have a world of difference. Heck the T5 alone frees up a bunch of power over an AOD. Those transmissions are power hogs. If you do a standard WCT5 your first...
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    Putting in a new motor and have a few questions

    Those RPM ratings are meaningless in your application. The RPM the motor will make power is dependent on a lot of things and you're running 45 more cubes than those ratings assume. With those little heads I would recommend the 35-522-8 XE282HR. You're gonna need to go larger than 24's if...
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    which headers will work

    He did ask about heads as well. I swear :) Of course I have been harping on the big head little motor thing quite a bit so............. buttersgt350, You'll be happy with LRS. I've been buying from them for years and I never had a problem with anything I bought. They used to be 50 resto...
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    Max Power From a N/A Engine

    There are plenty examples of 400+ HP totally streetable combo's out there but I guess links will not make a believer out of people. Which is understandable I guess. So let me give you an explanation. Most guys build a motor and use big intakes, big TB's or carbs and a big cam on "normal"...
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    Max Power From a N/A Engine

    Chassis dyno's can tell you just about whatever you want them to. The operator is a major factor. This is true with engine dyno's as well but to a much lesser extent. As far as power. 1.4 FWHP per CI with 16-17" of vaccum on a 306 is easily done. This is best paired with a 5 speed.
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    which headers will work

    LRSjmac is right on the money but would you expect anything else from them!! I had no issues doing a full dual exhaust in an 83 by following those steps. Your head question depends on many things. You will get people that will tell you an AFR165 or TW170 head is perfect for a street car but...
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    347 stroker

    Ok the post is confusing. You are going EFI then. Maybe you meant to say you are not looking for a quick fix. If you were carb is the way to go. And Bullit my cost reference was to the valve train required and the transmission. For 8K you're looking at a faceplated or proshift trans (I...
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    347 stroker

    8000 RPM 347 yeah baby!!!! Glad to see there are more people out there that like RPM. The only down side is all the supporting parts are a lot of dough.
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    cam swap....

    yeah a lot to think about. I like to look at what my goals are then pick a head to get me there. If I'm building a 306 then I think about what I may do down the road and make sure the head fits into that. People say you are crazy for putting a 200 or 210 cc head on a 306. Well 435 HP at 6400 and...
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    347 stroker

    Well i like the carbs but you do have a point with the EFI. It's not a totally balanced system as you would think. Injector placement not withstanding all the runners are not the same length and do not have the same cross section. Most high HP high RPM motors (like F1) use individual runners...
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    Engine Build up Advice

    Comp XE282HR-12. part number CL35-522-8 Comp HR lifters. 851-16 Comp Gold 1.6 7/16th rockers. 19044-16 Keep in mind this combo will only draw about 10" of vaccum. I would suggest a Systemax intake and milling the heads to increase the CR. A competant shop can mill the intake face as...
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    new guy here

    The answer to the pushrod length is you have to measure. Don't take anyone's word for it. Buy a checker and measure for yourself. I like the COMP Gold rockers and, as FastDriver says, 1.7's would not be a bad idea. Comp or TFS pushrods are a good choice as well. I would also...
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    cam swap....

    Ok well like I said I would not recommend the performer heads but that is up to you. You can get 1.4-1.6 HP per CID with a bigger head and custom cam. 1.4 in a 302 makes a very streetable car and you can even have a lumpy or smooth idle, you choose. The only trade off is the power doesn't...
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    New guy here, rebuilding 302, many questions!

    Why do a Windsor? You can make 425 N/A no problem with a 306. You're gonna need a new transmission whatever you do and a T5 works beautifully with a big headed 306.
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    Need advice/tips

    Ok you rebuilt an engine so this job will be no problem for you. Buy a Helicoil kit, take the heads off, and fix them. You'll fix the colant leak at the same time. I would estimate a day to tear it down and get started on the Helicoils and another to finish it up and put it together again...
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    making rod bearing last longer

    Hmm I'm not a designer and did it myself. I never tested it in FireFox. I guess I should have doen that though. I used a program called site spinner for the main site the store is done in another program. You can get IE6 here Download details: Internet Explorer 6 Service Pack 1 I'll...
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    cam swap....

    Is this a 5 speed car? If so I would not go with performer heads. Even with an auto you can do better if you don't mind the a high stall.
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    Budget Blower Motor Build Help

    Well a budget freshening would be just to replace the bearings and rings with stock replacement stuff. If it were me and I was set on freshening the motor I would build with a little bit better parts. Clevite 634P rod bearings and 590P mains. These are listed at Summit as being...
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    oil coming through cylinder head exhaust

    Oil in the cylinder could come from a head gasket I guess but that's doubtful. More than likely the valve guide seals are worn out. Also starting a car once a week is worse than just letting it sit. You need to take it out and drive it to get the oil up to full temp and flash off any water...
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    cam swap....

    Yeah you can change cams with the engine in the car but if you have AC it's a bit more of a problem as the condenser needs to move out of the way. As far as the cam bearings go look at them. If they look worn then you are best to replace them but you have to take the motor out to do it. In...
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