Turbocharging a type 4 |
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Turbocharging a type 4 |
stownsen914 |
Oct 12 2016, 02:04 PM
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#1
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Senior Member Group: Members Posts: 913 Joined: 3-October 06 From: Ossining, NY Member No.: 6,985 Region Association: None |
I have heard the conventional wisdom that "you can't turbocharge a type 4 successfully." Is it just difficult, or can it really not be done well? I'm tossing around the crazy idea of turbo'ing a type 4 for PCA club racing, to put in the chassis in my avatar. My 6 in its current configuration is not competitive, so I can put a bunch of money in that, or do something different. I like a challenge, so why wouldn't the following work?
- 1.8 or 2.0 type 4 as a base. I would keep displacement stock or close to it. - EFI for induction - Properly sized intercooler and huge oil cooler - A good aftermarket cooling fan - Would be dry sumped - I would work with a knowledgeable builder or shop to build the engine. I am not so familiar with type 4 race modifications, but presumably this would include reinforcing the bottom end, using Carrillo, Pauter, etc. rods - Obviously the heads would need to be reworked for flow and possibly reliability If I do the above, could a type 4 be built to withstand 15 psi of boost and make 350 hp reliably? Scott |
Mueller |
Oct 19 2016, 04:55 PM
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#2
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914 Freak! Group: Members Posts: 17,146 Joined: 4-January 03 From: Antioch, CA Member No.: 87 Region Association: None |
TIG welder (AC/DC) = check
Machine shop = check Certified welder (expired) = check (IMG:style_emoticons/default/smile.gif) (IMG:style_emoticons/default/MDB2.gif) |
HAM Inc |
Oct 19 2016, 04:59 PM
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#3
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Senior Member Group: Members Posts: 846 Joined: 24-July 06 From: Watkinsville,GA Member No.: 6,499 Region Association: None |
TIG welder (AC/DC) = check Machine shop = check Certified welder (expired) = check (IMG:style_emoticons/default/smile.gif) (IMG:style_emoticons/default/MDB2.gif) This is the sort of project that I think would be cool for a highly skilled, well equipped enthusiast. Someone with the know how, the time, and finances to give it a go. You should give this a try. |
stownsen914 |
Oct 20 2016, 05:13 AM
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#4
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Senior Member Group: Members Posts: 913 Joined: 3-October 06 From: Ossining, NY Member No.: 6,985 Region Association: None |
I understand that the water jacket idea had been done before on a 911 too. Might have been Grady Clay? Read about it on the Pelican forum at one point.
And, well, I've done a good but of MIG, but no TIG, so that might be a bit ambitious for me. Very cool idea though (pun intended!) |
jd74914 |
Oct 21 2016, 06:12 AM
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#5
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Its alive Group: Members Posts: 4,780 Joined: 16-February 04 From: CT Member No.: 1,659 Region Association: North East States |
I understand that the water jacket idea had been done before on a 911 too. Might have been Grady Clay? Read about it on the Pelican forum at one point. And, well, I've done a good but of MIG, but no TIG, so that might be a bit ambitious for me. Very cool idea though (pun intended!) IIRC Grady shoots a water mist at cylinder heads and then uses the latent heat loss to water from evaporation to cool the heads. I bet it actually works pretty well with a small amount of water. |
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