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Post by 77vette on Apr 26, 2010 8:07:39 GMT 12
bah i cant remember about chevettes but gemini rotors bolt onto hub i think so you could use gemini hubs if thats the case
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Post by dannyboy on Apr 27, 2010 18:58:18 GMT 12
hey Yammies, sounds like a cool project. Even stock std that Buick engine is going to make this thing get up and go!! I agree with you, to get it certed a brake upgrade is a must. I think from memory increasing the cc that much and your car has to stop 10 times from 100 km in a row without fade. I am not sure about a remote booster but if you go to a twin master cylinder set up and run the smallest clyinders possible to increase the pedal travel you should get quite a good feel. I run a RX7 4 pot on mine, bit smaller pistons than some of the other 4 pots so better suited to non booster. I dont think ( from memory ) that they would go over a commodore rotor. I think something like this would work really well as long as you just went to a semi metalic, I run full metal race pads in mine and they are wicked when hot but no good at all cold!! Fitting the rotors is not too bad, I think i stood at the lathe for two days to make the brackets but I am no machinest  there are some pics of my brakes under my chevette. What are you going to run for a diff? |
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Post by yammies on Apr 28, 2010 19:20:12 GMT 12
hey Yammies, sounds like a cool project. Even stock std that Buick engine is going to make this thing get up and go!! I agree with you, to get it certed a brake upgrade is a must. I think from memory increasing the cc that much and your car has to stop 10 times from 100 km in a row without fade. I am not sure about a remote booster but if you go to a twin master cylinder set up and run the smallest clyinders possible to increase the pedal travel you should get quite a good feel. I run a RX7 4 pot on mine, bit smaller pistons than some of the other 4 pots so better suited to non booster. I dont think ( from memory ) that they would go over a commodore rotor. I think something like this would work really well as long as you just went to a semi metalic, I run full metal race pads in mine and they are wicked when hot but no good at all cold!! Fitting the rotors is not too bad, I think i stood at the lathe for two days to make the brackets but I am no machinest there are some pics of my brakes under my chevette. What are you going to run for a diff? Hi Dannyboy, The plan is to run a VP commodore LSD - full width if it will fit under the flares! Time will tell. I'm trying to keep most of the upgraded parts from the same family if possible, though front brakes are the only area where I'm not 100% sure what path I will go down. Needless to say they will be upgraded, so I will start with a caliper that either bolts up or can be relatively easily adapted. from there i's just finding a rotor that is close to what I need and fitting or modifying it to suit. I will probably change the front hub PCD to match the rear, so I can run a matched set of wheels, but they will depend on brakes again. |
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Post by dannyboy on Apr 29, 2010 22:32:07 GMT 12
sounds all good, make sure to take lots of build pics and post them up. Be keen to watch this one progress.
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Post by yammies on Apr 30, 2010 15:32:05 GMT 12
Picked up a twin AP racing master cylinder with bias control on trademe yesterday. Also got some holden crewman brakes, but not sure if I'll be using them on the front or going RX7 calipers with the holden rears... If anyone has some RX7 4 pot calipers at the right price I could be interested....
I also spoke to one of our machinists at work today about machining up some custom hubs to suit whatever brakes or track I want... Looks like the go I think.
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Post by crazytim on May 1, 2010 9:43:06 GMT 12
Picked up a twin AP racing master cylinder with bias control on trademe yesterday. Also got some holden crewman brakes, but not sure if I'll be using them on the front or going RX7 calipers with the holden rears... If anyone has some RX7 4 pot calipers at the right price I could be interested.... I also spoke to one of our machinists at work today about machining up some custom hubs to suit whatever brakes or track I want... Looks like the go I think. My RX7 4 pots bolt up to an adaptor bar to the vette hub caliper mounting holes. The bar also spaces it to the correct position. If you are in Ak your welcome to come and look some time. Then again if you have access to a machinist go hard!! |
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Post by crazytim on May 1, 2010 9:44:51 GMT 12
BTW have Piazza set up in the rear, with Piazza disc brakes. Think fronts are series5 RX7. No idea about master cylinder to use yet, people have said you can get vette one bored out slightly but I know nothing about all that...
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Post by yammies on May 1, 2010 10:34:16 GMT 12
BTW have Piazza set up in the rear, with Piazza disc brakes. Think fronts are series5 RX7. No idea about master cylinder to use yet, people have said you can get vette one bored out slightly but I know nothing about all that... Boring it out isn't a biggy- they just machine it out to whatever size you like (within reason) and fit a stainless sleeve and larger spool and seals. It's just as easy though to go down to BNT or somewhere like that and find a replacement master cylinder with the same bolt spacing in a larger size. there's no guaruntee you will find one but it's worth a shot. What rotors are you using Tim? |
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Post by dannyboy on May 2, 2010 20:17:32 GMT 12
Picked up a twin AP racing master cylinder with bias control on trademe yesterday. quote] is this like a pedal box type set up? underslung with twin cylinders |
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Post by crazytim on May 2, 2010 22:56:58 GMT 12
RX7 Rotors and calipers up front and Piazza in rear. They were already fitted when I got it, needs longer studs put in though so arent on car at the moment but thats the least of the worries... that car has barely anything fitted to it, vitually a bare shell  Want to get running soon though, sick of it sitting there... need to decide on an engine, wanted a rotary but not sure if I can justify the coins I'd need to drop on it at the moment... so thinking of maybe doing that down the track and maybe getting a decent 4 banger in there and running so I can play with the rest of the boys on the track, maybe look at getting it caged later on and do all the work in phases as funds become available. Will be quite a unique little car, Vaux Chuv /hatch with TF gemini front panels and a few other blended twists to it... Thinking of looking for an engine that will provide adequate power for a wee car like this but is under rated as far as the performance community is concerned making it cheap to purchase and find parts for... something new enough that I can purchase and not need to re-build for a few years, something that has good options for gear boxes... Funds are a concern as I have 5 cars all needing cash spent on them... we'll see! That aside had 4 lots of people come for parts today, made me lol a bit... really should start a T-car wreckers ;D |
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Post by yammies on May 3, 2010 17:12:21 GMT 12
Picked up a twin AP racing master cylinder with bias control on trademe yesterday. quote] is this like a pedal box type set up? underslung with twin cylinders Yeah whole pedal etc. Will see how it goes withi the certifier before I go cutting the firewall to make it fit, but that is the plan. |
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Post by yammies on May 3, 2010 17:21:02 GMT 12
RX7 Rotors and calipers up front and Piazza in rear. They were already fitted when I got it, needs longer studs put in though so arent on car at the moment but thats the least of the worries... that car has barely anything fitted to it, vitually a bare shell Want to get running soon though, sick of it sitting there... need to decide on an engine, wanted a rotary but not sure if I can justify the coins I'd need to drop on it at the moment... so thinking of maybe doing that down the track and maybe getting a decent 4 banger in there and running so I can play with the rest of the boys on the track, maybe look at getting it caged later on and do all the work in phases as funds become available. Will be quite a unique little car, Vaux Chuv /hatch with TF gemini front panels and a few other blended twists to it... Thinking of looking for an engine that will provide adequate power for a wee car like this but is under rated as far as the performance community is concerned making it cheap to purchase and find parts for... something new enough that I can purchase and not need to re-build for a few years, something that has good options for gear boxes... Funds are a concern as I have 5 cars all needing cash spent on them... we'll see! That aside had 4 lots of people come for parts today, made me lol a bit... really should start a T-car wreckers ;D Nissan CA18 might do it.. there are so many options when it comes to engines, sometimes it's just easier to see what comes along. |
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Post by dannyboy on May 3, 2010 19:30:02 GMT 12
cutting your firewall sounds serious mate, if it is anything like this one all you need is a hole big enough to pop the lines through. There should be a range of masters to fit this at BnT but I would recommend going smaller rather than larger in size.  |
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Post by yammies on May 3, 2010 21:31:46 GMT 12
Haha that'd be it.. for some reason I thought it went the other way around.... i.e the master cylinders were still outside the cabin in the engine bay. apparently the bore size is 7/8" on each, so it should be enough to do what I need it to, depending on what calipers I go with. I do have a full set of VZ commodore brakes arriving soon, with twin piston fronts, so it's a toss up between those or the rx7 calipers like you suggested.
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Post by yammies on May 3, 2010 21:35:42 GMT 12
Lol just looking at your pedals reminded me of those bastard plastic accelerator brackets that break as soon as you look at them! Oh the memories
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there are some pics of my brakes under my chevette. 
