F.A.Q.    Register    Login    Home Members    Search

Toymods » Tech & Conversions » compression...how low is to low (boosted engine) Show: Today's Posts  :: Show Polls  Email to friend

Author	Topic
YelloRolla Forums Junkie Location: On your mum! Registered: May 2002	Re: compression...how low is to low (boosted engine) Fri, 04 March 2005 08:51 I use a large syringe and a piece of 5mm acrylic to cc the head. It is not the quickest method but it is effective. I've said it before and I will say it again - cylinder pressure is not entirely governed by the compression ratio, this is where cam timing comes - short duration cams minimal overlap for low comp engines (although this may hamper top end). The honda guys running in the states are reported to run 11:1 comp and 60 psi boost - if they did this with a cam developed for an 8.0:1 engine then the starter would never crank the engine over..... Seriously how many people have driven a reasonably late model EFI car and have been able to pick whether the compression ratio was lowish or highish? That said - I run about 8.4:1 and I will agree with what has been written with modern engines and the available fuels you don't need to go too low. [Report message to a moderator]

	Subject	Poster	Date
	compression...how low is to low (boosted engine)	people100	Wed, 02 March 2005 10:49
	Re: compression...how low is to low (boosted engine)	4agte	Wed, 02 March 2005 10:53
	Re: compression...how low is to low (boosted engine)	people100	Wed, 02 March 2005 11:18
	Re: compression...how low is to low (boosted engine)	4agte	Wed, 02 March 2005 11:37
	Re: compression...how low is to low (boosted engine)	thechuckster	Wed, 02 March 2005 12:43
	Re: compression...how low is to low (boosted engine)	4agte	Thu, 03 March 2005 08:14
	Re: compression...how low is to low (boosted engine)	thechuckster	Fri, 04 March 2005 06:31
	Re: compression...how low is to low (boosted engine)	4agte	Fri, 04 March 2005 07:16
	Re: compression...how low is to low (boosted engine)	Cool1	Wed, 02 March 2005 12:48
	Re: compression...how low is to low (boosted engine)	people100	Thu, 03 March 2005 07:41
	Re: compression...how low is to low (boosted engine)	Norbie	Thu, 03 March 2005 11:21
	Re: compression...how low is to low (boosted engine)	THE WITZL	Thu, 03 March 2005 23:24
	Re: compression...how low is to low (boosted engine)	Mr DOHC	Fri, 04 March 2005 06:22
	Re: compression...how low is to low (boosted engine)	oldcorollas	Fri, 04 March 2005 07:39
	Re: compression...how low is to low (boosted engine)	YelloRolla	Fri, 04 March 2005 08:51
	Re: compression...how low is to low (boosted engine)	people100	Fri, 04 March 2005 09:48
	Re: compression...how low is to low (boosted engine)	sideshow	Fri, 04 March 2005 11:43
	Re: compression...how low is to low (boosted engine)	Norbie	Fri, 04 March 2005 15:19
	Re: compression...how low is to low (boosted engine)	fatmr2	Fri, 04 March 2005 21:15
	Re: compression...how low is to low (boosted engine)	4agte	Sun, 06 March 2005 08:12
	Re: compression...how low is to low (boosted engine)	Steve M	Sat, 05 March 2005 00:08
	Re: compression...how low is to low (boosted engine)	people100	Sat, 05 March 2005 11:09
	Re: compression...how low is to low (boosted engine)	people100	Sat, 05 March 2005 12:06
	Re: compression...how low is to low (boosted engine)	MS-75	Sat, 05 March 2005 11:57
	Re: compression...how low is to low (boosted engine)	YelloRolla	Sun, 06 March 2005 06:54
	Re: compression...how low is to low (boosted engine)	people100	Sun, 06 March 2005 09:44

Previous Topic:	Move along, nothing to see here :blush:
Next Topic:	T25 Turbo flange dimensions

Powered by: FUDforum 2.3.8
Copyright ©2001-2003 Advanced Internet Designs Inc.