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ZZperformance ZZP 180 degree drilled thermostat GM 3800 grand prix L79 

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ZZperformance ZZP 180 degree drilled thermostat GM 3800 grand prix L79
Item Ended
Item condition:Used
Compatibility:This information is not available.
Ended:Feb 25, 201220:26:44 PST
Winning bid:
US $2.99 [ 2 bids ]
Shipping:
Varies based on location and shipping method
Item location:Grand Rapids, Michigan, United States
Seller:
Member id mixin16 ( Feedback Score Of 284Teal star icon for feedback score in between 100 to 499) About member |Seller's other items

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Description

Seller assumes all responsibility for this listing.Item number: 120864348324
Last updated on Feb 24, 2012 08:57:20 PST View all revisions

Item specifics

Condition:
Used: An item that has been used previously. The item may have some signs of cosmetic wear, but is fully ... Read moreabout the condition
  

I bought this thermostat for a 2001 supercharged GP I used to have, but I don't think I ever installed it (I know I never would have bothered to remove it when I traded it).  Just to be safe, I'm listing it as used - it looks like new though and I'm sure it would work fine either way.

 

Cooler engine temps reduce KR and promote cooler intake air temps. Our thermostats feature openings 20% larger than stock for increased flow.

A non-drilled 180 stat is recommended for the 2004+ GPs, 2000+ Bonnevilles, Monte Carlos, Impalas and Regals or an engine code can be set. If you want to run a drilled or a 160 degree thermostat you may need to run our ZZP pcm because we have the ability to delete the 0128 code.

The drilled thermostat will cause the engine to take longer to warm up, this is only beneficial in a situation when your car is sitting, not running, and is started up to race before the engine gets to temperature. For example, when in the staging lanes at the race track. Plus it flows a little bit of water even when the car is not to running temp. The thermostat is still closed, so it frees up the parasitic loss of the water pump turning without the ability to move water. Since a drilled thermostat will take longer for your engine to warm up, your gas mileage will also be reduced.

A 180 is the coldest generally recommended for the N/A 3800. Using a 160, the PCM could command too rich of a fuel mixture.

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