Interference or non????? - Focaljet

**SleepyZ** · 05-05-2003, 07:41 PM

Two questions.

1) Is the DURATEC 2.3 an interference or noninterference engine?

2) Are there any design advantages to interference engines over noninterference engines?
(I.E. Why design engines that will self destruct when the timing belt/chain goes unless there are significant power gains to be had?)

[img]images/icons/confused.gif[/img] [img]images/icons/confused.gif[/img] [img]images/icons/confused.gif[/img]

Sleepy

[size="1"][ 05-06-2003, 05:45 AM: Message edited by: SleepyZ ][/size]

**Ozmotear** · 05-05-2003, 07:44 PM

The 2.3 uses a Timing chain. [img]images/icons/smile.gif[/img]

I don't know enough to answer your question.

**biker16** · 05-05-2003, 09:58 PM

I think it is interference big valves, no space carved into pistons.

**OmniFocus** · 05-06-2003, 02:06 AM

Timing chains are generally far safer for interference engines. I feel comfortably having an interference engine with a chain.

05-05-2003, 07:41 PM	#1
SleepyZ TEAM Member Join Date: Oct 2002 Location: In between days..... Posts: 168	Interference or non????? Two questions. 1) Is the DURATEC 2.3 an interference or noninterference engine? 2) Are there any design advantages to interference engines over noninterference engines? (I.E. Why design engines that will self destruct when the timing belt/chain goes unless there are significant power gains to be had?) [img]images/icons/confused.gif[/img] [img]images/icons/confused.gif[/img] [img]images/icons/confused.gif[/img] Sleepy [size="1"][ 05-06-2003, 05:45 AM: Message edited by: SleepyZ ][/size]

05-05-2003, 07:44 PM	#2
Ozmotear [FJ] Specialist Join Date: Aug 2001 Location: The Garden State Posts: 7,218	Re: Interference or non????? The 2.3 uses a Timing chain. [img]images/icons/smile.gif[/img] I don't know enough to answer your question.

05-05-2003, 09:58 PM	#3
biker16 Moderator Join Date: Oct 2000 Location: Cleveland, OH, USA Posts: 4,710	Re: Interference or non????? I think it is interference big valves, no space carved into pistons.

05-06-2003, 02:06 AM	#4
OmniFocus Moderator Join Date: Jul 2001 Location: Mowin' down the cones. (CA) Posts: 26,272	Re: Interference or non????? Timing chains are generally far safer for interference engines. I feel comfortably having an interference engine with a chain.

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