 Turbocharging a type 4 |
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| stownsen914 |
 Oct 12 2016, 02:04 PM
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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 |
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Posts in this topic
stownsen914 Turbocharging a type 4 Oct 12 2016, 02:04 PM
snakemain Here's the thread from when this topic came up... Oct 12 2016, 02:44 PM Jetsetsurfshop I like that you posted this here. Should be some m... Oct 12 2016, 03:37 PM HAM Inc It can be done, but the heads are indeed the weak ... Oct 12 2016, 06:53 PM Mueller Would the heads benefit from ceramic coatings in t... Oct 12 2016, 11:59 PM HAM Inc Coatings in chambers and ports definitely help. Bu... Oct 13 2016, 07:14 AM Andyrew I dont see you making 350hp in a type 4 for any le... Oct 13 2016, 10:42 AM
stownsen914 Thanks for the thoughts, guys. I'm giving this... Oct 13 2016, 12:14 PM stownsen914 Looks like I was writing while HAM was posting. I ... Oct 13 2016, 12:50 PM HAM Inc When the chamber droops it takes the exhaust seat ... Oct 13 2016, 12:07 PM Andyrew What are your limitations for your class in PCA ra... Oct 13 2016, 12:45 PM stownsen914
What are your limitations for your class in PCA r... Oct 13 2016, 02:20 PM Jetsetsurfshop Does more boost mean more heat?
Can you run two s... Oct 13 2016, 03:10 PM stownsen914
Does more boost mean more heat?
Can you run two ... Oct 13 2016, 08:23 PM HAM Inc All engines that see sustained full throttle (max ... Oct 13 2016, 04:21 PM stownsen914 Thank you for sharing your thoughts. I guess this ... Oct 13 2016, 08:19 PM HAM Inc
Thank you for sharing your thoughts. I guess this... Oct 13 2016, 08:44 PM stownsen914 Thank you again Len and others for sharing your th... Oct 14 2016, 01:20 PM Cracker This may not be popular, and I do not mean to be a... Oct 13 2016, 08:40 PM Mueller Seems like there is potentially a small market for... Oct 14 2016, 02:15 PM jd74914 Scott, what limits do you have on engine controls?... Oct 14 2016, 02:51 PM Mueller
Scott, what limits do you have on engine controls... Oct 14 2016, 05:46 PM stownsen914
Scott, what limits do you have on engine controls... Oct 15 2016, 04:52 AM mepstein I imagine you have to decide if you heart is into ... Oct 14 2016, 04:19 PM zig-n-zag Burning alcohol would keep head temps down. Add p... Oct 15 2016, 05:41 AM stownsen914
Burning alcohol would keep head temps down. Add ... Oct 15 2016, 09:13 AM ThePaintedMan These days, anyone racing a turbo pretty much has ... Oct 15 2016, 12:39 PM zig-n-zag FAT Performance does install 911 oil piston squirt... Oct 15 2016, 02:23 PM stownsen914
I read somewhere that when using twin-plug igniti... Oct 17 2016, 09:07 AM HAM Inc
I read somewhere that when using twin-plug ignit... Oct 17 2016, 12:26 PM Zimms 6r1Unv9L39k
There was more detail about this on J... Oct 16 2016, 07:44 PM McMark Twin spark for:
1. High compression
2. Big bore Oct 17 2016, 12:22 PM Mueller
Twin spark for:
1. High compression
2. Big bore
... Oct 17 2016, 03:46 PM McMark Twin spark for:
1. High compression
2. Big boreI ... Oct 18 2016, 08:46 AM stownsen914
I'm missing the correlation between big turbo... Oct 18 2016, 11:19 AM jd74914
I'm missing the correlation between big turb... Oct 18 2016, 01:34 PM Andyrew
[quote name='stownsen914' post='2412779' date='Oc... Oct 18 2016, 01:38 PM Andyrew My suggestion for minimizing heat gain from the tu... Oct 17 2016, 01:40 PM stownsen914
My suggestion for minimizing heat gain from the t... Oct 18 2016, 08:53 AM Andyrew
My suggestion for minimizing heat gain from the ... Oct 18 2016, 01:07 PM Mueller http://shoptalkforums.com/viewtopic.php?f=3&t=... Oct 18 2016, 01:18 PM Andyrew Good results from a GT3076. Seems to me those are ... Oct 18 2016, 01:36 PM Jetsetsurfshop Been following this thread intently and want to ge... Oct 18 2016, 03:50 PM Mueller
Been following this thread intently and want to g... Oct 19 2016, 09:10 AM falcor75 If I was building a turbo setup for a track car I ... Oct 19 2016, 03:34 AM socal1200r What about using a supercharger for the forced ind... Oct 19 2016, 06:06 AM Andyrew Superchargers simply can not make the power of a t... Oct 19 2016, 08:35 AM stownsen914 That's a nice build thread from the shoptalk f... Oct 19 2016, 08:50 AM Andyrew
That's a nice build thread from the shoptalk ... Oct 19 2016, 09:12 AM HAM Inc O.P., can you convert to a T1 engine for your clas... Oct 19 2016, 08:45 AM Mueller
[b]O.P., can you convert to a T1 engine for your ... Oct 19 2016, 09:13 AM HAM Inc Technically, the T4 is a VW. It has VW stamped all... Oct 19 2016, 09:24 AM ThePaintedMan I think for the amount of engineering involved and... Oct 19 2016, 09:31 AM HAM Inc
I think for the amount of engineering involved an... Oct 19 2016, 09:40 AM Mueller
I think for the amount of engineering involved a... Oct 19 2016, 09:50 AM HAM Inc
[quote name='HAM Inc' post='2413173' date='Oct 19... Oct 19 2016, 11:34 AM Mueller
Waaay too small a market for a high-end T4 billet... Oct 19 2016, 11:48 AM stownsen914 On the engine type, it has to be either Porsche bl... Oct 19 2016, 11:36 AM HAM Inc
On the engine type, it has to be either Porsche b... Oct 19 2016, 11:42 AM Mueller
On the engine type, it has to be either Porsche b... Oct 19 2016, 11:52 AM Mueller
I think for the amount of engineering involved an... Oct 19 2016, 09:49 AM Andyrew He needs to be in the 1.8 to 2.0L range to run a t... Oct 19 2016, 11:57 AM stownsen914
He needs to be in the 1.8 to 2.0L range to run a ... Oct 19 2016, 12:10 PM ThePaintedMan Well if you insist on the Type 4 route, it would p... Oct 19 2016, 12:47 PM Andyrew
Well if you insist on the Type 4 route, it would ... Oct 19 2016, 02:01 PM HAM Inc If you want to go T4 and can swap to any head, fin... Oct 19 2016, 01:07 PM Jetsetsurfshop
If you want to go T4 and can swap to any head, fi... Oct 19 2016, 03:29 PM Mueller
If you want to go T4 and can swap to any head, f... Oct 19 2016, 03:52 PM Mueller Still going to be some work due to the passages th... Oct 19 2016, 02:35 PM HAM Inc Hate to spoil the Wasser fun, but... check the bor... Oct 19 2016, 02:44 PM Mueller
Hate to spoil the Wasser fun, but... check the bo... Oct 19 2016, 03:03 PM Racer Chris I used to have pictures of a SCCA GT3 914 engine t... Oct 19 2016, 03:04 PM HAM Inc
I used to have pictures of a SCCA GT3 914 engine ... Oct 19 2016, 03:13 PM Andyrew For the cost of a tig welder and some aluminum tha... Oct 19 2016, 03:56 PM HAM Inc
For the cost of a tig welder and some aluminum an... Oct 19 2016, 04:22 PM Andyrew
[quote name='Andyrew' post='2413344' date='Oct 19... Oct 19 2016, 04:23 PM Mueller TIG welder (AC/DC) = check
Machine shop = check
Ce... Oct 19 2016, 04:55 PM HAM Inc
TIG welder (AC/DC) = check
Machine shop = check
C... Oct 19 2016, 04:59 PM stownsen914 I understand that the water jacket idea had been d... Oct 20 2016, 05:13 AM jd74914
I understand that the water jacket idea had been ... Oct 21 2016, 06:12 AM Randal
TIG welder (AC/DC) = check
Machine shop = check
... Oct 20 2016, 12:22 PM HAM Inc
[quote name='HAM Inc' post='2413372' date='Oct 19... Oct 20 2016, 02:23 PM Randal
[quote name='Randal' post='2413745' date='Oct 20 ... Oct 20 2016, 04:05 PM Randal
[quote name='Randal' post='2413745' date='Oct 20... Oct 20 2016, 08:58 PM Andyrew
[quote name='Randal' post='2413851' date='Oct 20 ... Oct 20 2016, 10:54 PM HAM Inc I have a customer who does vintage racing with a N... Oct 21 2016, 08:15 AM Mueller
I have a customer who does vintage racing with a ... Oct 21 2016, 09:49 AM ottox914
I have a customer who does vintage racing with a ... Oct 24 2016, 05:42 PM Jetsetsurfshop What about that Polo motor? You could turbo that r... Oct 21 2016, 10:47 AM Mueller
What about that Polo motor? You could turbo that ... Oct 21 2016, 11:06 AM stownsen914
http://www.polomotor.com/
That would be smart mo... Oct 22 2016, 08:42 AM iamchappy This is so much easier. Oct 22 2016, 05:37 PM stownsen914 I'd love to just turbo my 911 motor, but the h... Oct 23 2016, 11:02 AM stownsen914 So if I did this with a T4, I think I understood t... Oct 24 2016, 01:42 PM HAM Inc
So if I did this with a T4, I think I understood ... Oct 24 2016, 02:34 PM stownsen914
If you want to follow the small bore (max 91mm) f... Oct 25 2016, 07:53 AM ottox914
If you want to follow the small bore (max 91mm) ... Oct 25 2016, 09:00 AM ottox914 I'm "that fellow" from Len's pos... Oct 24 2016, 05:28 PM Mueller Hey Len,
Can you point out where on this cross se... Oct 25 2016, 10:30 AM Jetsetsurfshop
Hey Len,
Can you point out where on this cross s... Oct 25 2016, 10:39 AM  |
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