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I'M NOT BUILDING A RACE CAR Posted By: LeadFootedRacer On: 01-02-2008 @ 19:40:55 Reply | Edit but after beating the shit out my car on turkey day (hence sig) i'm getting this real faint tick out of my top end. now i have a set of small chamber heads for a 305 i can send out and have cleaned up and toss on the car. a while back i started building a 383 and sold it to my dad. now i can buy it back from him, but i'm thinkin that the money i put into a 383, i can put into my 305 and be just as happy. i'm not looking for 400 horse. i figure some head work, cam, possible re-ring bottom end with bearings, alot intake work, a cai, roller rockers, and the t-5 swap. that'd give me some seat-of-the-pants dyno results over the stock 305 with headers. i'm also planning on going from a 2.73 gear to a 3.42 or 3.73 gear. again, putting out more result. if i pull the bottom end apart, maybe i'll look for a set of domed pistons. just for the little bit of extra compression. what do you guys think? spend 3k on a 305 or closer to 5 or 6k on a 383? --  Posted By: LeadFootedRacer On: 11-27-2007 @ 20:00:57 Reply | Top | Edit oh, my other question is how do i identify vortec style heads? the motor in my car supposedly isnt the stock one. the body has 182k miles on it, so i doubt that motor is anywhere near the stock one the way the rest of the car has been beaten. they have centerbolt valve covers, but is the stock TPI unit vortec? my 60cc chamber heads are off my 79 caprice wagon, so that was non vortec. -- Posted By: Pocket On: 11-27-2007 @ 20:45:28 Reply | Top | Edit How to ID the heads http://www.thirdgen.org/techboard/tech-general-engine/97184-how-i-d-vortec.html?highlight=vortec+id#post600821 No TPI was ever vortec You can buy aftermarket bases to fit vortec heads but you will identify those easily -- "If you have complete control over the damned thing, you're not going fast enough." - Carrol Smith Posted By: LeadFootedRacer On: 11-27-2007 @ 21:53:04 Reply | Top | Edit ah, gotcha. so now that i know the TPI will fit my other heads, i'm on a hunt for a 305 short block to freshen up. everywhere i look, all i can find is 64cc and up chamber heads. from being raised by an "old school" hotrodder, smaller chambers are teh way to make cheaper power. i have a set of 60cc heads lyin around. so i'll get those out to a shop immediatly. do they make domed 305 pistons? i probably shoudlnt run them due to valve clearance. how do i check that before i buy them? --  Posted By: Pocket On: 11-28-2007 @ 00:10:11 Reply | Top | Edit Smaller chambers boosts compression Not really a power boost, but whatever Yes they make domed 305 pistons Most decent piston companys will make a forged domed piston for your lawn mower if you give them the specs -- "If you have complete control over the damned thing, you're not going fast enough." - Carrol Smith Posted By: LeadFootedRacer On: 11-28-2007 @ 16:03:37 Reply | Top | Edit i though more compression = more power -- Posted By: roubenbird On: 11-28-2007 @ 16:17:34 Reply | Top | Edit = more detonation in an already detonation prone motor. yeah it does make more power but you'd be better off making that power through heads and a cam -- 
WS6 3o5 TBI 88' Formula, 670cfm Holley Projection Throttle Body Holley Projection Intake Mainfold, Underdrive Pulley,Dual Snorkle & Factory Cowl Induction,now with short straight pipes, UMI Subframe connectors, Fourth Gen seats, Three row Radiator, Posi rear end (2.73),TPI heads, 1.6 roller rockers 15.543 @ 88.21mph Posted By: LeadFootedRacer On: 11-29-2007 @ 11:34:11 Reply | Top | Edit i already intend on a cam and having my 60cc heads redone anyway. so i'd be doing heads and cam anyway. so i'd be making the heads/cam horsepower you speak of while raising the compression ratio at the same time. -- Posted By: Pocket On: 11-29-2007 @ 18:32:32 Reply | Top | Edit Have fun with that tune TPI chips are a major PITA -- "If you have complete control over the damned thing, you're not going fast enough." - Carrol Smith Posted By: LeadFootedRacer On: 11-30-2007 @ 15:56:11 Reply | Top | Edit dyno tune. if i could ever find a shop around me that does it -- Posted By: Pocket On: 11-30-2007 @ 20:58:18 Reply | Top | Edit That was my problem Im building a 411 harness now The LSx market is so big why not use it on some ancient relics like 3rd gens  -- "If you have complete control over the damned thing, you're not going fast enough." - Carrol Smith Posted By: LeadFootedRacer On: 12-01-2007 @ 16:23:13 Reply | Top | Edit what is a 411 harness? -- Posted By: Shift On: 12-02-2007 @ 22:25:00 Reply | Top | Edit What happened to that motor you were gonna put in your poop brown camero? --  Posted By: Pocket On: 12-03-2007 @ 15:56:35 Reply | Top | Edit 411 = 00-01 LS1 PCM Read the thread on TGO about OBDII in the TPI forum Should answer any questions about why you would want this over any 3rd gen ECM Whoever said it was an easy swap is lying thru his teeth -- "If you have complete control over the damned thing, you're not going fast enough." - Carrol Smith Posted By: LeadFootedRacer On: 12-09-2007 @ 14:35:43 Reply | Top | Edit i sold that motor. -- Posted By: raven97 On: 12-09-2007 @ 20:38:47 Reply | Top | Edit I am sure you could pick up a LSx motor for what you would have into the 305 -- John 
Posted By: Pocket On: 12-09-2007 @ 20:58:35 Reply | Top | Edit Thats a bit of a stretch -- "If you have complete control over the damned thing, you're not going fast enough." - Carrol Smith Posted By: LeadFootedRacer On: 12-10-2007 @ 16:59:16 Reply | Top | Edit  and the work it takes to put it in is rediculous compared to a simple swap.--
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