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#126 | |
Player
Join Date: 14-09-05
Location: Melbourne, Broadmeadows
Car: 87 SII manual calais turbo
Trader Rating: (0)
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Quote:
So Bax are u saying that I need to get a turbo v8 28 spline diff and upgrade my front brakes and bobs ur unkle? What I wanna know is what about the tranny it self ? or the gearbox or both and say I snap thru gears what else would I need to upgrade? |
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#127 |
Moderator
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The tranny is the gearbox mate.
You don't have to put on the 28 spline rear. Rear discs are what you want though. If your going to give it a real big hiding I'd invest in doing your entire driveline. Depending on the power your going to have. 25 Spline Disc rear. What the n/a calais has. Will do you fine unless your going to be crazy with it, have lots of power and do burnouts all the time. Just like the N/A Manual gearbox, it will last as long as your not doing burnouts. Either way, brakes are a definate upgrade in my opinion. Discs on the rear as a minimum, and vlt on the front. as a minimum. |
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#132 |
Gold Members
![]() Join Date: 03-09-05
Location: QLD, BrIZveGaS
Car: 355 VQ Statesman, Vl Turbo, 4.2L Smoke Stack Patrol !
Trader Rating: (1)
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[QUOTE=VLT_CONV]Hi im doing a turbo conversion on a SII Auto Exec.
Brakes: 90% of braking is done in the front so upgrade the front at least. Drums pull up as good as disks in a one off situation they just dont cool off as quick. If you had VT twin spots up front, NA drums rear, and had to slow the 150+KW down after accelerating hard on the freeway you wouldnt have any trouble. The only thing is with drums you get that terrible VL spongey pedal feel. I'll tell you one thing though stock NA Front disc brake system is the exact same as on a sigma. The sigma is even too overpowered for that system let alone a modified VL turbo. As for NA Auto: Turboluke, have you seen an NA auto tranny hold up with a turbo conversion? How long would you give it with a cooler? I have most parts ready for the actual turbo conversion but only have an auto NA gearbox. Im hoping my DBA x-drilled slotted and NA auto will withstand the pain till i can afford a decent box and brakes. DO NOT PUT CROSS DRILLED AND SLOTTED ROTORS ON YOUR CAR YOU WILL CRACK THE IF YOU GIVE THEM A HARD TIME I DID IN 15,000 KMS AND THAT WASNT EVEN ON A TURBO!!!!!!! AND DBA HAD ONE LOOK AT THEM AND TRIED TO SHIFT THE BLAME OHH YOU GOT THEM TOO HOT!!! ECT WASTE OF TIME TRUST ME !! |
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#133 |
Player
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Okay what bolts are needed then,
obviously the T pices for the oil libes and water lines. whatabout exhaust manifold, boltign the turbo up. and dump pipes form the turbo to cat? Also can you get premade intercooler piping for a vl commodore made up already?? or does it need to be custom to fit your car with what you got in the way of the piping? |
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#136 |
Player
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how much would it cost approx to get the oil and water lines tapped in
__________________
FOR SALE LOTS OF VL EXEC PARTS http://www.calaisturbo.com.au/showthread.php?t=61263 |
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#137 |
Player
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what eva you do don't use n/a injectors and ecu for a turbo conversion. i tryed it with n/a injectors and it pinged it's head off at 4000rpm with the timing set at 5 btdc on 6psi.
Last edited by darkl0n; 15-11-05 at 13:05. |
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#138 |
Player
Join Date: 19-06-02
Location: VIC, Gippsland
Car: Subaru Forester XT, VN V8 Calais, 2 x VL turbos
Trader Rating: (10)
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If done right, excellent results can be reaped reliabily on low boost. Many ppl shortcut on the fueling side and wonder why they crack pistons and such. I made. Don't skimp. Yes turbo front brakes make a huge difference. I have done this highly reccomended for $100 bucks or so it will cost.
Cheers. Lowey. |
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#140 |
Player
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how much would it cost approx to get the oil and water lines tapped in
__________________
FOR SALE LOTS OF VL EXEC PARTS http://www.calaisturbo.com.au/showthread.php?t=61263 |
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#141 | |
Player
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Quote:
i was thinking of fitting a ACL race series rebuild kit wat are your thoughts on that??? cheers, Steve |
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#142 |
Moderator
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No to a decompression plate. evil.
As for how much to drill and tap the holes, your going to have to contact somebody that does machining, ask a few engine places around the joint. I wouldn't know where to start. Keeping in mind you can pick up an entire engine for 2-300 dollars and a block alone for 100. |
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#145 | |
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#146 | |
Player
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a crossover pipe is the pipe from the turbo to the intake manifold and the "&" is programming lag for "and"
"&" = & Quote:
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#147 | |
M.I.A.
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#148 | |
Player
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i have been running a decompression plate and have had no probles with it. i think that a lot of people state bad things about them with out ever having used one.
the one i used was made by alc and only needs one head gasket, not two Quote:
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#149 | |
M.I.A.
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#150 | |
Moderator
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As for the decompression plates, yeah I'll admit that I've heard bad things about them and thats mainly why I haven't bothered. Especially when they seemed to have stepped up in quality alot - But I guess with the lower compression alot of people think instantly you can run big big boost. I'd be worried still with a gasket in there. But if it can hold it can hold |
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Thread Tools | |
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VLT injectors + ecu in a N/A | reg31T | Engines, Turbos, Exhausts, Intercoolers | 3 | 10-06-03 11:43 |
VL N/A & VLT Auto Differences | 087-GMH | Suspension, Brakes, Gearboxes, Diffs | 10 | 08-02-03 11:15 |