Is your engine an Interference engine - DodgeIntrepid.Net Forums - Dodge Intrepid, Concorde, 300m and Eagle Vision chat
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post #1 of 18 (permalink) Old 06-11-2006, 11:05 PM Thread Starter
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Is your engine an Interference engine

A repeat but someone was asking again so thought would repeat the link

The gates sight will tell you if your engine is an interference of not...


http://www.gates.com/part_locator/in...o=Interference
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post #2 of 18 (permalink) Old 06-11-2006, 11:19 PM
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what does it mean if it does or dosent? a quick idea, dont have to go into detail
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post #3 of 18 (permalink) Old 06-12-2006, 08:21 AM
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If I understand correctly, an 'interference' engine will suffer piston-to-valve contact
and damage if the mechanical timing is not as per specs; like the timing belt/chain breaking, or being off time.
A non-interference engine would allow the pistons full travel with no valve contact,
no matter where the valves are in their cycle.
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post #4 of 18 (permalink) Old 06-12-2006, 10:20 AM
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Bingo!
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post #5 of 18 (permalink) Old 06-12-2006, 04:55 PM
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ford sho..non.........mitsu eclipse..BIG TIME INTERFERENCE
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post #6 of 18 (permalink) Old 06-12-2006, 06:16 PM
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Quote:
Originally Posted by alarkyokie
If I understand correctly, an 'interference' engine will suffer piston-to-valve contact
and damage if the mechanical timing is not as per specs; like the timing belt/chain breaking, or being off time.
A non-interference engine would allow the pistons full travel with no valve contact,
no matter where the valves are in their cycle.
Perfect laymans terms!

Cheers

BJ
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post #7 of 18 (permalink) Old 06-12-2006, 06:25 PM
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Ok thanks!! that clears things up. although i am still lost on the website. i put my information in, but were does it say or not?

or could sombody tell me for these 2 cars
99 3.2lt
99 2.7lt

thanks
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post #8 of 18 (permalink) Old 06-12-2006, 06:27 PM
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well dan it says my 3.5L is an interference engine, so if i had to guess your 3.2L is one as well, considering they are nearly the same engine
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post #9 of 18 (permalink) Old 06-12-2006, 06:43 PM
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Quote:
Originally Posted by sneke_eyez
well dan it says my 3.5L is an interference engine, so if i had to guess your 3.2L is one as well, considering they are nearly the same engine

The FIRST gen 3.5 is non-interference IIRC <-- Someone verify this for us!

ALL second gen motors are interference. If the blelt or chain breaks on your 2nd gen, you have a NICE, FAT EXCUSE to port and polish the heads

The 3.3 I'm not sure on, something tells me it is also interference... I'm fairly sure the one on my dad's 2001 Caravan is at least.
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post #10 of 18 (permalink) Old 06-12-2006, 07:07 PM
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Quote:
Originally Posted by Danimal217
Ok thanks!! that clears things up. although i am still lost on the website. i put my information in, but were does it say or not?

or could sombody tell me for these 2 cars
99 3.2lt
99 2.7lt

thanks
Well after punching in the info :

3.2 is an interference, 2.7 I think isn't an interference engine, the site doesn't say...
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post #11 of 18 (permalink) Old 06-12-2006, 07:54 PM
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1st and 2nd gen 3.2s and 3.5s are all interference, as well as the 2.7. The only one that wasnt interference was the 1st gen 3.3.
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post #12 of 18 (permalink) Old 06-12-2006, 08:06 PM
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yes the 2.7 is a interferance engine,, so is the 3.2 and 3.5 but ive never seen a 93-97 3.5 crash valves and ive seen quite a few busted belts on them
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post #13 of 18 (permalink) Old 06-12-2006, 08:46 PM
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ok thanks guys
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post #14 of 18 (permalink) Old 06-13-2006, 12:34 PM Thread Starter
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If it is not listed by looking up the model then you can check on this pdf list. For an example if you look the 95 3.5 if you look after the V6 there is an *. Means it is and interference engine.

http://www.gates.com/downloads/downl...older=brochure
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post #15 of 18 (permalink) Old 06-13-2006, 05:10 PM
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Quote:
Originally Posted by TERMINATOR101CA
Well after punching in the info :

3.2 is an interference, 2.7 I think isn't an interference engine, the site doesn't say...

Oh it's interference all right, just look at what happens to them if the timing chain tensioner slacks off....
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