Building a twin turbo V6 vette. (ok now turbo volvo vette)

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Building a twin turbo V6 vette. (ok now turbo volvo vette)

Postby Roscoe » 14 Mar 2005, 05:26

Hell all! I am roscoe form richmond va (east coast usa) i somewhat recently picked up a 84 chevette from a friend of mines mother (her old daily driver) its got a nice straight body but ALOT of surface rust and bad paint but no rot out. it runs and drives fine but its slow as all hell. i am in the middle of prepping a vg30et (84 300zx turbo) engine to go in the vette. the stock engine & trans (auto) will be available free if you pick it up verry soon. If anyone has any suggestions for this project by all means speak up :) i definately need a new braking solution and a rear axle. i will proably go with the H body stock posi for this car unless something easier comes up.

Pics of the car
http://www.automotivelifestyle.com/roscoe/chevette/

Thread following the build on automotivelifestile.com
http://forums.automotivelifestyle.com/viewtopic.php?t=92
Last edited by Roscoe on 22 Mar 2008, 23:36, edited 3 times in total.
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Postby Tortron » 14 Mar 2005, 06:07

get in touch with some rat rodders and get them to give you the stuff that keeps it looking like that but without continuing to rust, to keep the "hey look what i just pulled out of a swamp" look, failing that get a power orbital sander to strip it, than slap on some por 15 or rust bullet (dam it sucks that i cant find that stuff anywhere)
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Postby Roscoe » 14 Mar 2005, 07:18

I would love to leave it looking the way it does it would make wasting corvettes that much more fun but in the long run it wont help. im pretty good with rattlers ill properly prep and do several coats and clear it then buff it and make it look nice. going with silver & black stripes. i have a set of honda integra gsr wheels that are in fair shape ill paint them to match the car and it should look ok enough for my needs. Silver car black stripes black wheels limo tint and a crap ton of hp at the back wheels. It just sounds perfect to me :)
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loving the body

Postby ICEDEAR » 14 Mar 2005, 07:46

it'd be the nicest sleeper ever with that body.... i got ur chevette on my background...loving the rusted look, its from the states? its weird how there isnt any holes.
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Postby Roscoe » 14 Mar 2005, 07:54

Yeah its in freakish good shape there isint a single bit of rot out anywhere. If you really like it i can take a Nice high res pic of it as-is before i change anything for you. :) i can even put the right tire back on it :D got to dig the saver spare from a honda he he he.
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Postby Roscoe » 16 Mar 2005, 19:29

Ive been farting around with the Z's wiring harness and its in such bad shape im just going to megasquirt it. are there any other megasquirt vettes on here ?
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Postby Doive » 16 Mar 2005, 19:35

One of our classic car magazines are currently rebuilding a 2.3 chevette with the megasquirt setup. They have been singing it's praises, although they did have a few initial problems getting it running.
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Postby Roscoe » 16 Mar 2005, 20:13

setting up a map from scratch is a pita but i got a base map to work with so thatl help. i think with the engine im using its the only way to go.
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Postby Shellysowner » 16 Mar 2005, 20:40

Which magazine doive?
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Postby Doive » 16 Mar 2005, 20:47

It's Kev Leaper from Practical Classics is doing it, but they only run features once every three issues or so. Over the last year and a half he has taken a standard 1256 and done a 2.3 conversion on it, before throwing the carbs away and putting throttle bodies on the car. Then they have plumbed in injectors from something else and played with the fuel and ignition mapping to see if they could get it to run. From what i understand of the system it's not like points and condenser, you can't just get it near running and then tweak it, you have to hunt through the system parameters until you get it working. Bit of a pain in the rear end, but still looks like a good setup.
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Postby Shellysowner » 16 Mar 2005, 20:53

I'm not an injection person myself, I p*ss about with electronics enough in the daytime!!!
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Postby Roscoe » 17 Mar 2005, 00:46

Its a fairly good system. i am using an engine that came with fi so alot fo the work is allready done i just need to upgrade the injectors and rework the turbo to get to my target power level. ill keep you guys posted with the results.
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Postby Roscoe » 23 Mar 2005, 00:59

I did some work on the vette today. gutted the interior and whatnot NASTY !!!! if you wish to see pics go here: http://services.automotivelifestyle.com/modules.php?name=Forums&file=viewtopic&p=700#700
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Postby Doive » 23 Mar 2005, 01:48

You call that nasty?? I'd call that immaculate! Wish my floorpan looked as clean as that. Bad news on the chicken bone though.
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Postby Roscoe » 23 Mar 2005, 02:43

ha ha. yeah its really in good shape it was just GROSS in there. the rust on the body is nothin its just surface rust no rot whatsoever! i got lucky with it i recon. It was FREE to!
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Postby Roscoe » 02 May 2006, 23:58

Updates!

-I have the stock engine pulled and goten rid of (sold)
-Decided on the 10 bolt swap using the rear from a late model s10
-New engines stripped and ready for a test fit
-Decided to go with a twin turbo setup for packaging reasons.
-Got the motor mounts worked out.

I will post up pics shortly of the car, i do however allready have some pics of the engine & manifold arangement (please excuse how messy it is)

These two are of the passanger side pathfinder manifold mounted upside down on the passanger side of the engine.
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The next two are of the same passanger side pathfinder manifold mounted on the drivers side of the engine
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As you can see i now have 2 easy access exhaust outlet locations at the front of the engine for twin turbos :)

This is just the engine partialy stripped and ready for a test fit in the car.
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Postby Roscoe » 22 Mar 2008, 23:35

Ok so maybe the plan changed alot, i think its even been a few years since this thing started but being busy running a business has prevented me from working on this car much. work has progressed (slowly) and here are a few updates i have from another forum i post more regularly on. i will try to do my best to keep this updated!

_____________________________________________________


ok so like a couple years later and no progress. maybe the only thing thatl save it is a drastic change in plans? well all i can say for those who have been patiently waiting its now in the shop and things are moving forward. oh yea and this looks HUGE crammed in the engine bay.

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_____________________________________________________


Ok heres the pics you guys are waitin for. this is ofcourse just a testfit but it gives a good idea of how this will go. its pretty tight but itl work!

engine in the car
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close-up's
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A handfull of the performance upgrade parts. nothing fancy but all items thatl make a big difference when used together along with megasquirt and some 60# injectors
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Just in case you wondered if that skyline intercooler will fit. yump, like it was made for the car!
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_________________________________________________


Ok update time! i have been ignorantly busy and havent had time, welp i got 2 months with 0 to do. slight changes just so i can get the car up and going now n/a

-pulled engine, trans (m47), all wiring & computers from 86 n/1 240
-used camaro steering column with 2 u joints to clear volvo starter and allow the column to be "straight"
-hammer mod on trans tunnel again for starter / clutch
-using stock chevette rear since this motor has minimal balls

shortly if all the above stays together...
-i have a 96 940 shortblock in good shape and a 530 head at the machine shop getting port matched to the manifolds, valvejob, soon to be followed by shimming and install of ipd cam & gear.
-10 bolt from s10 extereme, leaf springs & slapper bars
-s10 front brake upgrade (prolly before anything else)
-turbo, intercooler, ms, all the other sh1t to complete this deathtrap.

_____________________________________________



Updates for today
-reworked chevette brackets so i can use the volvo radiator
-got about half of the steering column rigging done
-test fitted the 240 engine w/trans, i will be having to notch out part of the firewall just a hair (not a bbig deal) to allow the motor to sit back off the steering rack enough if i want to use the 240 mounts instead of the 740 ones with some ghetto hacked up plates (not as desireable)

more to come!

______________________________________________


A little more progress today. did a testfit with the motor + trans from the 240 to identify whatall will hit and determined that not only are the things that hit not a big deal i could really set the motor back another 3" from what i had planned to do. so i went ahead and notched out part of the firewall to make room and did a little hammering for things i knew already were hitting except the alternator (still in the air on this one) Below are a few pics

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The motor dangling waiting for yet another test fit.

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The firewall kinda has a step to it. this really wont mess up anything relavant inside

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Jut a bit more room here!

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Orig shifter hole (auto)

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the shifter sits in an arm that comes off the back of the trans

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there was room to go back except for the starter interfearing with the bulge in the tunnel for the orig straight steering column shaft

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more work will be needed on space for the starter to go back the rest of the way and now also needa make room if i want to let the 02 sensor stay there. other then that it could slide the rest of the way back

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Just kinda an odd view of whats goin on here :)

______________________________________________


Ok yet more updates & pics. I ended up having to cut out a little for the starter and of rnow just removed the 02 sensor since i really wont be using this motor that long and the one for the turbo will be farther down the exhaust anyway. the engine is just about in its final resting place i just have to do a touch of hammering where the clutch cable it to make sure itl have room to move. it turns out my plan to use 240 mounts just wont happen so i will have to make some based on the 740 mounts but itl work ok i think.

Onto more pics!

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Lots of room in that engine bay now!

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The shifter will basicly just hover over that lever you see there.

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GAH one more headache to deal with. nothing 5 min with a hammer wont fic

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Now details hell begins, with the starter where it is the straight chevette steering shaft wont do. i am adding in a double U joint from a camaro along with the support bearing from that column as well since the chevette didint have a support bearing.
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Postby CancerWagon » 23 Mar 2008, 02:59

This seems to be rolling along fairly well :)
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Postby Herbie_Flowers » 24 Mar 2008, 00:36

nice work there mate. can you use the 240s brake calipers on North American Chevettes like we can over here for a decent upgrade?
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Postby Roscoe » 24 Mar 2008, 02:04

I am exteremely interested in dooing that everry upgrade but i am unsire of what calipers i could use, like what here would work or how easily could i get a set shipped over from there. i guess im most likely to go the s10 route.
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Postby CancerWagon » 24 Mar 2008, 18:37

I'm working on adapting 1984 chrysler van brake rotors/calipers... should get moving on that.
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Postby Herbie_Flowers » 24 Mar 2008, 22:16

Roscoe wrote:I am exteremely interested in dooing that everry upgrade but i am unsire of what calipers i could use

erm...the 240 you got the engine out of :wink:
Roscoe wrote:how easily could i get a set shipped over from there.

they weigh a ton so the postage costs would be horrendous, anyway, i can't remember the last time i saw a 240 on the road.
Roscoe wrote:i guess im most likely to go the s10 route.

i'm guessing that's a different GM model but with some parts interchangeability
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Postby CancerWagon » 24 Mar 2008, 23:17

There is always the 84-87 fiero the spindles fit onto the chevettes with no mofication, and then the beretta brake conversion for said spindles.

http://fierozone.tripod.com/realbrakes/index.html
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Postby Roscoe » 24 Mar 2008, 23:21

oops, i dunno why i said calipers i meant rotors. yea the 240 has the right calipers on it. hell an upgrade ofr those volvos witch is bolt on is fc rx7 calipers witch are also 4 pot and i have a set. i figure hell i may as well use those but i understand that swap uses a carlton (is that right?) rotor. we dont have that or anything like it hear to steal rotors from so id need the rotors (not the calipers) sent over from elsewhere or find some thatl work

Herbie_Flowers wrote:
Roscoe wrote:I am exteremely interested in dooing that everry upgrade but i am unsire of what calipers i could use

erm...the 240 you got the engine out of :wink:
Roscoe wrote:how easily could i get a set shipped over from there.

they weigh a ton so the postage costs would be horrendous, anyway, i can't remember the last time i saw a 240 on the road.
Roscoe wrote:i guess im most likely to go the s10 route.

i'm guessing that's a different GM model but with some parts interchangeability
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Postby Roscoe » 24 Mar 2008, 23:23

Ive looked intot hat one too, i even have some of the right parts for it already but id love for the lug pattern to match the s10 rear ill be using. i dunno recon something will work out in time!

CancerWagon wrote:There is always the 84-87 fiero the spindles fit onto the chevettes with no mofication, and then the beretta brake conversion for said spindles.

http://fierozone.tripod.com/realbrakes/index.html
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