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Anyone know the specs on the old trw 2293 piston? #737697 06/30/10 09:19 PM 06/30/10 09:19 PM
Joined: Sep 2003 Posts: 1,397 Toronto Ontario, Can Glen440 OP pro stock
Glen440 OP pro stock Joined: Sep 2003 Posts: 1,397 Toronto Ontario, Can	I have a 383 with the .030 trw 2293 domes. I'm curious what the dome cc is. This engine was built way back in 1980, heads are 906's with double springs and aluminum retainers. Some weird rod bolts with a locking style nut. It has main studs and head studs with a 7 quart pan and HV oil pump. There is no cam in it so no idea what was in it Thanks 87 dakota 6.1 hemi

Re: Anyone know the specs on the old trw 2293 piston? [Re: Glen440] #737698 06/30/10 09:23 PM 06/30/10 09:23 PM
Joined: Jan 2003 Posts: 6,531 Jacksonville, FL Chris2581 master
Chris2581 master Joined: Jan 2003 Posts: 6,531 Jacksonville, FL	I "think" it's 12cc's IIRC.I have the same slugs in my old 383.It's been a long time since we bought those pistons. Nautilus Racing- We use Superformance gaskets and Turbo Action converters/products.

Re: Anyone know the specs on the old trw 2293 piston? [Re: Chris2581] #737699 06/30/10 09:31 PM 06/30/10 09:31 PM
Joined: Sep 2003 Posts: 1,397 Toronto Ontario, Can Glen440 OP pro stock
Glen440 OP pro stock Joined: Sep 2003 Posts: 1,397 Toronto Ontario, Can	I have been coming up with all different answers searching the web, people saying they are 11.5-1 with 88cc heads which would make the dome huge. 87 dakota 6.1 hemi

Re: Anyone know the specs on the old trw 2293 piston? [Re: Glen440] #737700 07/01/10 12:28 AM 07/01/10 12:28 AM
Joined: Jan 2003 Posts: 1,307 BC, Canada Black_Bee pro stock
Black_Bee pro stock Joined: Jan 2003 Posts: 1,307 BC, Canada	Quote: I have been coming up with all different answers searching the web, people saying they are 11.5-1 with 88cc heads which would make the dome huge. I have those pisrtons in my 383... The spec from TRW is 22cc. Hope this helps! Paul '69 Super Bee 383 EFI Turbo

Re: Anyone know the specs on the old trw 2293 piston? [Re: Black_Bee] #737701 07/01/10 09:19 AM 07/01/10 09:19 AM
Joined: Sep 2003 Posts: 1,397 Toronto Ontario, Can Glen440 OP pro stock
Glen440 OP pro stock Joined: Sep 2003 Posts: 1,397 Toronto Ontario, Can	Maybe a better question is how much cylinder pressure do people have with these? I'm trying to decide on what head gasket to use, there is a huge difference between 12 and 22 cc. 87 dakota 6.1 hemi

Re: Anyone know the specs on the old trw 2293 piston? [Re: Glen440] #737702 07/02/10 11:33 AM 07/02/10 11:33 AM
Joined: Jan 2003 Posts: 1,307 BC, Canada Black_Bee pro stock
Black_Bee pro stock Joined: Jan 2003 Posts: 1,307 BC, Canada	Its been years since I built my engine, but I'm pretty sure I ended up with 11.3:1 with the pistons .005 in the hole and 88cc edelbrock heads. I have a small solid cam (232/242) in the engine and it was pushing 195ish psi if I remember correct. Hope this helps. Paul '69 Super Bee 383 EFI Turbo

Re: Anyone know the specs on the old trw 2293 piston? [Re: Glen440] #737703 07/02/10 02:24 PM 07/02/10 02:24 PM
Joined: Nov 2004 Posts: 2,825 Sk. Canada RemCharger master
RemCharger master Joined: Nov 2004 Posts: 2,825 Sk. Canada	Quote: Maybe a better question is how much cylinder pressure do people have with these? I'm trying to decide on what head gasket to use, there is a huge difference between 12 and 22 cc. What gas are you trying to use? Mine; .045 in the hole, 1009 gasket, w/82 cc 906s, wouldn't come close to running ok on pump gas even with the timing turned way down. I run C12 , and now have 75cc aluminum -1's on it. Don't know for sure what the compression is, but it ran 130 mph in a 2900# + 67 cuda. Rem

Re: Anyone know the specs on the old trw 2293 piston? [Re: Black_Bee] #737704 07/02/10 03:56 PM 07/02/10 03:56 PM
Joined: Jan 2003 Posts: 25,859 Rio Linda, CA John_Kunkel Too Many Posts
John_Kunkel Too Many Posts Joined: Jan 2003 Posts: 25,859 Rio Linda, CA	Quote: The spec from TRW is 22cc. That's right from the book, 22.3 cc effective dome for the .030" oversized piston, a little less for the .060" over. The INTERNET, the MISinformation superhighway

Re: Anyone know the specs on the old trw 2293 piston? [Re: Black_Bee] #737705 07/03/10 05:41 PM 07/03/10 05:41 PM
Joined: Jan 2003 Posts: 1,307 BC, Canada Black_Bee pro stock
Black_Bee pro stock Joined: Jan 2003 Posts: 1,307 BC, Canada	Quote: Its been years since I built my engine, but I'm pretty sure I ended up with 11.3:1 with the pistons .005 in the hole and 88cc edelbrock heads. I have a small solid cam (232/242) in the engine and it was pushing 195ish psi if I remember correct. Hope this helps. My engine runs fine on 92... When I ran iron 906s it pinged all the time. Paul '69 Super Bee 383 EFI Turbo

Re: Anyone know the specs on the old trw 2293 piston? [Re: Black_Bee] #737706 07/03/10 06:07 PM 07/03/10 06:07 PM
Joined: Jul 2008 Posts: 30,451 Florida STAYcation dOoC The village idiot's idiot
dOoC The village idiot's idiot Joined: Jul 2008 Posts: 30,451 Florida STAYcation	Let me add .... I am going to use these pistons in a decked block with the 019 gasket and stock-type 452 heads IN a boat ....so it will not be "loaded" as tight as in a automotive application. I think I will be able to get-away with pump-premium .. 93 octane.

Re: Anyone know the specs on the old trw 2293 piston? [Re: dOoC] #737707 07/04/10 05:09 PM 07/04/10 05:09 PM
Joined: Sep 2003 Posts: 1,397 Toronto Ontario, Can Glen440 OP pro stock
Glen440 OP pro stock Joined: Sep 2003 Posts: 1,397 Toronto Ontario, Can	Thanks everyone I'm trying to figure out what exactly I'm gonna do with this engine. I have a 440 block getting machined at the moment. My duster needs an engine with the 511 being pretty smashed up. Gonna go back to having fun before I revisit the B1 engine. If the 383 would run high 10's in a light A body back half car I would put it in it. 87 dakota 6.1 hemi

Re: Anyone know the specs on the old trw 2293 piston? [Re: Glen440] #737708 07/04/10 05:42 PM 07/04/10 05:42 PM
Joined: Nov 2003 Posts: 810 Sidney Ohio 9SecRoadRunner super stock
9SecRoadRunner super stock Joined: Nov 2003 Posts: 810 Sidney Ohio	my brothers duster has those pistons +.060, 590 MP cam, ported 452 heads, all steel car , working windows, factory wiring , lights and heater box etc still in car...runs 10.70's @ 125 6068788-Dennysdustertruck005.jpg (106 downloads) You Thinking It's So Doesn't Make It a Fact

Re: Anyone know the specs on the old trw 2293 piston? [Re: 9SecRoadRunner] #737709 07/04/10 08:29 PM 07/04/10 08:29 PM
Joined: Jul 2008 Posts: 30,451 Florida STAYcation dOoC The village idiot's idiot
dOoC The village idiot's idiot Joined: Jul 2008 Posts: 30,451 Florida STAYcation	Did you have to fly-cut the pistons with the 590 ? ... if so - how much? .....and where did those pistons come-up .. on the deck?

Re: Anyone know the specs on the old trw 2293 piston? [Re: dOoC] #737710 07/05/10 11:44 AM 07/05/10 11:44 AM
Joined: Nov 2004 Posts: 2,825 Sk. Canada RemCharger master
RemCharger master Joined: Nov 2004 Posts: 2,825 Sk. Canada	Quote: Did you have to fly-cut the pistons with the 590 ? ... if so - how much? .....and where did those pistons come-up .. on the deck? I didn't on mine. .585 comp,275 at .050, amd 1.6 intakes, but they are tight. Around .070 on the exhaust....

Re: Anyone know the specs on the old trw 2293 piston? [Re: 9SecRoadRunner] #737711 07/05/10 07:12 PM 07/05/10 07:12 PM
Joined: Sep 2003 Posts: 1,397 Toronto Ontario, Can Glen440 OP pro stock
Glen440 OP pro stock Joined: Sep 2003 Posts: 1,397 Toronto Ontario, Can	Quote: my brothers duster has those pistons +.060, 590 MP cam, ported 452 heads, all steel car , working windows, factory wiring , lights and heater box etc still in car...runs 10.70's @ 125 Thats impressive. 87 dakota 6.1 hemi

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