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Blocking rb25det block heater hose fittings

wildeagle44
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wildeagle44 Collaborator

wildeagle44

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Blocking rb25det block heater hose fittings

Hi Guys

In the process of rebuilding my 25.

Since deleting the heater, i've always had the feed and return hoses looped, now the motor is out im looking to block the fittings completely. 

 

The left fitting is threaded in. The right fittings looks pressed in. Am I ok to block these off instead of them being looped? The car is track only and looking to tidy up under the plenum. 

 

Pic attached of fittings in question. Thanks for any help. 

IMG_2021.JPG

GeeDog Experienced

GeeDog

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Did this recently on an RB25/30 build. We still have the stock oil filter/cooler fitted, and I ran a hose from each of the fittings circled in your pic to the oil cooler. I had to buy a couple of 3/4" to 5/8" (I think) brass adaptors - the fittings in the block are 3/4" (or 19mm), while the oil cooler hoses are smaller. If you aren't using the oil cooler, I'd probably put a hose between these 2 fittings. If you want to block them off you can get blanking plugs to fit - I bought heavy duty silicon ones off ebay to block some other coolant & vacuum pipes.

 

 

GeeDog Experienced

GeeDog

Posted
Posted

No idea - someone else may know. As I said, at the least I'd run a hose between the 2 outlets to keep the flow somewhat similar to stock. Ours has been on the track a couple of times since building the motor, and we've had no overheating issues.

  • 3 weeks later...
wildeagle44 Collaborator

wildeagle44

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I'll have a dig around for the receipt for the threaded plug. Cant remember the size, i just took the fitting with me to get matched up. 

The plug for the filter housing hole is about 18.5mm. Ended up getting a 3/4in welch plug and ground it down a touch and used some sealant. No leaks so looks good so far. 

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