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> 914 - 1.8t conversion, I love turbos
joedubs
post Jun 1 2010, 01:01 PM
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So. A short outline to get the thread going:
I planned on building this motor for my mk4 gti. I got out of hand and things spiraled out of control. I sold the gti sans the engine and picked up a 1974 914. My dad has already built two teeners, so being familiar with the general ins and outs of the chassis really helped me (and will continue to) to plan things out. also, thanks dave. you rock bro.

Engine Build, bottom to top:
Goal: 500whp
06A 1.8t block (bored to 83mm with a TQ plate)
FSI stroker crank
Dowel pinned timing sprocket
stock mains
ARP main studs
ACL rod bearings
Brute con-rods from PagParts
wiseco stroker pistons
ARP head studs
AEB large port (early) head
Supertech valves (inconel and black nitride)
Cat gold valve springs
new oem lifters, new exhaust guides, new cam chain tensioner
Cat 3658 cams from QED
Pagparts Vbanded manifold
PTE5857. Billet, Ball bearing, Vbanded housing
tial 38mm wastegate
custom intake manifold (in the works)

Lugtronic ECU
ID1000cc injectors

Suspension and brakes:
Bilstein shocks
weltmeister springs in the rear
stock torsion bars up front
911 front spindles and 5lug
coleman 12in vented rotors front
girling 4piston brake calipers front(off an old volvo)

Chassis plans
914-gt steel flares
some old sweet race bumper with a big inlet for my radiator


tons of work to come. I think i'm off to a good start. the bay has been cut open and the rear reinforced to get ready for custom mounts. next stage is to really start cleaning things. I'll do the suspension after that, which will allow me to fit the engine/transmission in the correct location. cooling wont be a big deal. I could definitely use some input on intercooling.

so, now on to the pics. camera phon action is a must
(IMG:http://farm5.static.flickr.com/4064/4654720404_f73c635e17.jpg)

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joedubs
post Jun 1 2010, 01:01 PM
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(IMG:http://farm5.static.flickr.com/4044/4654102025_675eb920bf.jpg)

(IMG:http://farm5.static.flickr.com/4066/4654102305_087567b551.jpg)

(IMG:http://farm5.static.flickr.com/4039/4654722206_96bef4fefa.jpg)

Testing my bumper on my dads car
(IMG:http://farm5.static.flickr.com/4014/4654722338_1b7bb1b795.jpg)

Deck clearance
(IMG:http://farm5.static.flickr.com/4029/4654102833_4d7452fb3f.jpg)

(IMG:http://farm5.static.flickr.com/4028/4654722658_c5d3458439.jpg)
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joedubs
post Jun 1 2010, 01:02 PM
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(IMG:http://farm5.static.flickr.com/4017/4654722852_4904404af1.jpg)

(IMG:http://farm5.static.flickr.com/4028/4654103329_5e67f69350.jpg)

(IMG:http://farm5.static.flickr.com/4034/4654103483_2a3b6bdf0c.jpg)

(IMG:http://farm5.static.flickr.com/4013/4654723350_19bacc5b39.jpg)

(IMG:http://farm5.static.flickr.com/4057/4654724096_7338a2ba89.jpg)

(IMG:http://farm5.static.flickr.com/4039/4654724692_48e3f78d14.jpg)

(IMG:http://farm5.static.flickr.com/4020/4654725046_71dcb5d7bd.jpg)

(IMG:http://farm5.static.flickr.com/4013/4654725520_482be41f19.jpg)

(IMG:http://farm5.static.flickr.com/4036/4654725826_cc2762a431.jpg)

Thoughts? I know they'll be a ton of those "why?" replies. In short: When building a 500hp motor, what better way to enjoy it than with a mid engine, RWD chassis?
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rohar
post Jun 1 2010, 01:27 PM
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QUOTE (joedubs @ Jun 1 2010, 11:02 AM) *
Thoughts? I know they'll be a ton of those "why?" replies. In short: When building a 500hp motor, what better way to enjoy it than with a mid engine, RWD chassis?


I'm not gotta ask why, put an aba 16v turbo in one a bit ago. Amazing little power plants.

What are you thinking for transmission?
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joedubs
post Jun 1 2010, 01:39 PM
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012 from a passat 1.8t. Not sure what clutch and i havn't gotten a diff yet. Theres a guy on passatworld making 450whp through one of these transmission though. should be a fun little car with some 245's out back.
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okieflyr
post Jun 1 2010, 05:03 PM
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QUOTE (joedubs @ Jun 1 2010, 01:39 PM) *
012 from a passat 1.8t. Not sure what clutch and i havn't gotten a diff yet. Theres a guy on passatworld making 450whp through one of these transmission though. should be a fun little car with some 245's out back.


Joe,

I got my flywheel/clutch setup from ecstuning.com, and had the Quaiffe and trans drop shipped to Jim @ Shine racing for the install.$$$$$$$
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rohar
post Jun 1 2010, 05:43 PM
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Just read through the thread again:

I could definitely use some input on intercooling.

Yup, that's the problem every time. On my first build about 10 years ago, I used a turbo 1.8 8v w/ audi 5k internals. Total low buck engine, but it was effective. I hacked up the rear trunk much as you have so storing the targa was already out of the question. I ended up mounting an intercooler in the back of the trunk and cutting out the whole area between the rear taillights. I tried mounting it horizontal under the engine grill but it didn't drop temps very well there.

Charge temps were ok but not great. Only 15psi on boost though.

With the 16v, I simplified the exhaust which opened up some room. pipe off the turbo into a cherry bomb and straight back to the passenger side of the bumper with a supertrap. This opened up the whole area under the rear bumper for another intercooler. I ended up running 2 in series. One in the rear trunk and one behind a ventilated bumper. Better, but still not what I want.

I'm pretty sure the only way to do it right is a water to air IC with the water radiator up in the front trunk.
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kg6dxn
post Jun 1 2010, 07:39 PM
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I think it will be awesome. The 901 tranny is only good to 350hp, then it will break. You should look into a 915 from a 911 if you want it to last. Also buy 930 axles or you will break CV's, especially after you add flairs and bigger tires.
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joedubs
post Jun 1 2010, 08:26 PM
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QUOTE (kg6dxn @ Jun 1 2010, 08:39 PM) *
I think it will be awesome. The 901 tranny is only good to 350hp, then it will break. You should look into a 915 from a 911 if you want it to last. Also buy 930 axles or you will break CV's, especially after you add flairs and bigger tires.


yeah, as i said, i'm going with the 012. it'll be nice since 1) its been used up to 450+, 2) its cable shift, and 3) its hydro clutch.
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rohar
post Jun 1 2010, 10:11 PM
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which reminds me, what are you thinking for a master cylinder? I'm trying to figure something out that retains the stock pedal cluster. At this point it involves a bell crank :|
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Jaxdream
post Jun 1 2010, 10:52 PM
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You may want to try a Tilton pedal setup , a few guys that do the subby conversion use this as it simplifies a lot with brakes and clutch and they run a air to water IC with a front trunk mounted radiator as well . Those have tryed to do the rear setup but just couldn't get the temps down enough, the front cooling setup will yield the best results . Hate to see you bang your head trying to get the rear to do what you want, the areodynamics of the rear will not yield enough air flow for good cooling. Any ways , good luck with your conversion , it do look to be a good idea.

Jack / Jaxdream
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andys
post Jun 2 2010, 12:41 PM
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QUOTE (rohar @ Jun 1 2010, 08:11 PM) *
which reminds me, what are you thinking for a master cylinder? I'm trying to figure something out that retains the stock pedal cluster. At this point it involves a bell crank :|


I kept the stock pedals and did exactly that; bellcrank with a Wilwood master for the hydraulic clutch.

Andy
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Attached File  IMG_1732.jpg ( 256.68K ) Number of downloads: 25
 
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rohar
post Jun 2 2010, 01:38 PM
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QUOTE (andys @ Jun 2 2010, 10:41 AM) *
QUOTE
which reminds me, what are you thinking for a master cylinder? I'm trying to figure something out that retains the stock pedal cluster. At this point it involves a bell crank :|


I kept the stock pedals and did exactly that; bellcrank with a Wilwood master for the hydraulic clutch.

Andy


One of your earlier posts is probably where I got the idea. The overriding theme I'm shooting for with the whole car is that it looks "normal" but REALLY isn't.
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joedubs
post Jun 3 2010, 09:16 PM
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snail came!
(IMG:http://farm5.static.flickr.com/4068/4667999638_4c567db0a2.jpg)
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rohar
post Jun 3 2010, 09:36 PM
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Yeah, that's not big at all (IMG:style_emoticons/default/smoke.gif)

On the up side, it'll offset the weight of the alternator AND the driver.

/seriously diggin that engine
//hairdryers make me horny
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okieflyr
post Jun 4 2010, 12:28 PM
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QUOTE (joedubs @ Jun 3 2010, 09:16 PM) *

Well, now I'm getting a complex with my baby K03/4 (IMG:style_emoticons/default/pinch.gif)
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joedubs
post Jun 4 2010, 09:25 PM
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QUOTE (okieflyr @ Jun 4 2010, 01:28 PM) *
Well, now I'm getting a complex with my baby K03/4 (IMG:style_emoticons/default/pinch.gif)


ooooh its fine. I subscribe to the "overkill" factor. :-D
its the first time i've EVER assembled a motor. I went through the whole process of clearancing things, gapping the rings, installing pistons/rods, torquing everything etc. We'll see what happens when she fires up i guess.
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joedubs
post Jun 7 2010, 08:36 PM
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Built myself an engine cradle. motor mounts will come next.

(IMG:http://farm5.static.flickr.com/4021/4680722342_bc0dab7b78.jpg)

(IMG:http://farm2.static.flickr.com/1308/4680090203_e227f0021b.jpg)
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rohar
post Jun 7 2010, 10:53 PM
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QUOTE (joedubs @ Jun 7 2010, 06:36 PM) *
Built myself an engine cradle. motor mounts will come next.


Inspiring. Wait, that's an engine stand and the bottom of a table saw isn't it? Git her done!

I'm thinking tomorrow I need to get started on my subframe...
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joedubs
post Jun 8 2010, 06:45 AM
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QUOTE (rohar @ Jun 7 2010, 11:53 PM) *
Inspiring. Wait, that's an engine stand and the bottom of a table saw isn't it? Git her done!

I'm thinking tomorrow I need to get started on my subframe...


I'm getting there. Going to figure out a way to hold the engine up level after i bolt the trans to it so that i can build my mounts. Tonight after work i'll build a wooden stand for the subframe instead of using buckets/jackstands and a worktable.
I'm happy with the progress so far.
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