I can smell oil when I give my 86 305TPI WOT I know this is not good so in a few months I might have it rebuilt,how much would it cost to have it rebuilt along with maybe a nice lopey idle cam???

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Drive it like you stole it

 

It really depends of what kind of setup you want. Also why not go with a 350 instead? AS far as the oil smell it could actually only be an oil leak.

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383 86 Camaro Z28
10.5:1compression Dart Pro 1 Aluminum heads 215cc>2.05/1.60 valves,400 steel crank,cam specs:224/234 at 050 525/525 lift,3500 stall converter,shift kit,3.42 gears,770 Holley Avenger,Victor Jr. Intake,true dual exh,Hooker headers with 40 series Flowmasters,MSD Coil and Module.ALSO SECOND GEN Z28---mods:454 BBC,.546 max lift(doug herbert cam ) 750 Holley vac sec. ,Edelbrock Performer manifold,Holley electric fuel pump,Hooker headers,Flowmaster mufflers,beefed up 700r4 tranny, 3.90 gears, powertrax unit, B&M console shifter.

 

how come everytime somebody talks about rebuilding a 305 with added power somone else ALWAYS says, "Why not go with a 350?" Its quite simple actually, because we already have a 305 block that we can use instead of having to buy another block first, then buying everything else for it. As soon as I have the money after everything else I do to my car, Im going to build up my 305 thats just sitting in the garage right now.

IROCME, I would say it would cost about 500 to 700 to rebuild the engine with a new cam. I know I remember seeing an add in Super Chevy for 305 rebuild kits for about 300(?), and a 335 stroker for about 500. a cam will range anywhere from 100 to 200, depends on what you want. let me know what you come up with because I plan on rebuilding mine this christmas.

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-'92 RS with self-installed '95 LT1
-Heddman Headers
-TPIS throttle body airfoil
-MSD 6-AL Ignition
Kills
-'97 Mustang Cobra
-'98 V6 Camaro
-'89 5.0 ****stang
-'97 Sebring
-'96 ****stang Cobra

Losses
-'99 Mustang GT
-'96 Mustang Cobra
-'95 Z28 (good race)
-'96(?) Turbo Eclipse (d*mn good race, heavily modified)

 

Check the PCV valve, valve cover gaskets, and intake manifold gaskets first. That may be all there is to the cause of your oil smell.

If you replace the cam, you'll be doing the gaskets anyway. If you want power, check out my sig. I got some good deals on parts of it, but heads are about $650 assembled from Competition Products (makes a lot more sense to me than putting ANY money into stock heads, including a valve job); gaskets about $60-80 (use 350 gaskets with World heads, and you need the oil pan gasket for one-piece rear main seal); the ZZ4 cam is a bit pricey but Scoggin-Dickey was running a take-off special, and it would work nice with your combo (custom chip may be required, upgrade springs are a must), adjustable fuel pressure regulator. Any performance mod attempt is really silly without exhaust upgrades - headers ($350-500), dual or high-flow 3" cat ($100-300), 3" cat-back ($150-300).

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82 Berlinetta, orig V-6 car, now w/86 LG4/TH700R4. 2.93 limited slip. 2-1/2" cat-back, ZZ3 intake, Accel HEI SuperCoil. AMSOIL syn lubes bumper-to-bumper. Daily driver, work-in-progress (LG4 CC system w/'87 LB9 block, ZZ3 cam, ported World 305 heads, Hooker 2055 headers, 3" Catco cat & 3" catback, restalled TC, Spohn SFCs).
57 Bel Air, my 1st car. '66 396, 9.7 CR forged TRWs, Weiand Action+, Holley 750VS w/4150 conversion, GK 270 cam, Magnum rockers, Jacobs Omnipack, 1-3/4" Hedders & 3" Warlocks, TH400 w/TCI Sat Night Special conv & Trans-Scat shift kit, MegaShifter, 3.08 8.2" 10-bolt w/Powertrax, AMSOIL syn lubes bumper-to-bumper. Idles smooth @ 600 RPM in D. Best 15.02/95.06 @ 5800' Bandimere (corrected 13.93/102.4 @ sea level).