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Old 09-29-2002, 08:46 PM
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Cool 305 questions

I see there are several postings of people using 305's. This is encouraging. I recently bought a 1977 formula firebird with the stock 305 chevy small block. It has a rebuilt 2bbl rochester carb and the 350 turbo hydromatic tranny. After some basic maintenance(plugs&wires, oil, cap&rotor,battery, the basics!!lol!)I got it running. She rumbles pretty nicely and has good power once I pass 45mph, but off the line power stinks. I'm on a small budget, otherwise I'd drop a 6.6 in it, and would be interested if I can boost the HP. Would changing the intake manifold to accomodate an eddelbrock 4bbl help? I'm planning on doing a rebuild in the future and now that I've looked at the 335 Stroker kit, it sounds interesting. I'm new to the project car arena, this is the first,(I bought the car for $300.00,sitting in a field!) The block seems intact and with 2002 being the last production year for Firebirds, I'm trying to stay close to original VIN stuff for collector's value. Any advice would be appreciated.

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Old 09-29-2002, 08:58 PM
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I don't remember '77 firebirds coming stock with a 305 chevy, but I could be wrong. An intake a 4bbl carb would help on reliability and little performance gains, but won't help your off the line power very much. Look into rearend gears after you beef up the engine for the off the line speed. Check your PM's

HK
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Old 09-29-2002, 09:21 PM
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I've researched the heck out of the combination under my hood. All the vin# specs cite the 305 as being stock in the 1978 birds. My guess is my bird came off the line in Ohio late in the production year. That makes it even more collectible, I hope. It has had alot of neglect, I just got done patching wholes in the floor pans. The motor sounds real nice and only leaks a bit at the real main seal(at least that's where I'm guessing the mess is coming from!). Oh yeah, exactly what does "stroker' signify? The guy I bought the car from said he had a 383 stroker he had planned on putting in this bird. Honestly, I was just happy to get it running without SMOKE!!
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Old 09-29-2002, 09:34 PM
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Stroker is changing the stroke of an engine by changing its crank.
If you plan on rebuilding the motor don't do any internal stuff right now.But bolt on stuff.A good set of headers,nice free flowing exhuast,4bbl and aluminum intake.But like HK said rear gears.I'd say 3.42-3.73.
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Old 09-29-2002, 09:38 PM
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stroker is just slang for bore and stroke moddification. Increasing the bore (.030-.060 over original) and also incresing the stroke of the pistons by adding a bigger crank. Other things are done if needed as to accomidate the bore/stroke change. Thats the skinny of it as I know it.

D@mn, took me 4 minutes to type this!

HK

[ September 29, 2002: Message edited by: Halloweenking ]</p>
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Old 09-29-2002, 09:50 PM
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Cool

Thanks gang, I'll have to check back in awhile, I'm still at work, 12 hour shifts 1900-0700hrs., yuck!!
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