4x100 to 5x114.3 Re-drill - Info & Questions
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4x100 to 5x114.3 Re-drill - Info & Questions
I whipped up a quick sketch on AutoCAD of a spacer (it's actually the size of a rotor, ignore the major width) with 4x100 holes as well as 5x114.3. One hole over-laps partially and the rest are fine. Based on the picture below, would that overlap effect the stud being pressed into a hub and cause issues with the bolt wobbling or not mounting tightly? Seems like a pretty basic thing to do unless I'm overlooking something major or there is a major flaw in drilling it this way.
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Also, why have I heard that you need a stud presser to re-press studs into a hub? I see guys doing it with a hammer and the wheel lug. vvv
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Also, why have I heard that you need a stud presser to re-press studs into a hub? I see guys doing it with a hammer and the wheel lug. vvv
Last edited by Steviodaddio; Mar 16, 2013 at 08:22 PM.
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don't quote me on this, i never did look in to it to confirm what he said. but i was talking with a guy who said he had the powell bbk kit on his 4 lug. swapped over to 5 bolt hubs from an lsj. he was saying that the outboard spline count and diameter for the ls axles is the same as the lsj axles. so you can swap hubs, just not axles. for the rears you'd have to go to a disk setup (if you have drums currently). if you already have disk then it will be a simple hub swap there as well.
you can't drill 4bolt and 5bolt patterns on a hub but you can do it on rotors.
you can't drill 4bolt and 5bolt patterns on a hub but you can do it on rotors.
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don't quote me on this, i never did look in to it to confirm what he said. but i was talking with a guy who said he had the powell bbk kit on his 4 lug. swapped over to 5 bolt hubs from an lsj. he was saying that the outboard spline count and diameter for the ls axles is the same as the lsj axles. so you can swap hubs, just not axles. for the rears you'd have to go to a disk setup (if you have drums currently). if you already have disk then it will be a simple hub swap there as well.
you can't drill 4bolt and 5bolt patterns on a hub but you can do it on rotors.
you can't drill 4bolt and 5bolt patterns on a hub but you can do it on rotors.
I really didn't want to have to do a whole rear disc conversion since it seems from what I've read I'd have to swap the whole rear out for an aftermarket kit or an SS rear. :/
you can do 5 on 5 because the holes won't be touching. they'll have even space in between them. 4 on 5 will have one touching. which is not safe to press a stud in to.
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I like to live life on the edge a little though. ;P
If I pick up a set of LSJ hubs does that mean I have to do a break conversion in the back or will the hub itself mount inside the drum where the drum can be redrilled to fit the pattern change?
If I pick up a set of LSJ hubs does that mean I have to do a break conversion in the back or will the hub itself mount inside the drum where the drum can be redrilled to fit the pattern change?
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I had 4 x 100 put onto my 5 x 110 hubs by member ItailianJoe1.
Been on my DD x 6 months now, no problems, & 12.5s at the track...
http://www.chevyhhr.net/gallery/file.../0/photo-9.JPG
Last edited by 2000Firehawk; Mar 19, 2013 at 09:24 PM.
Link to Drums:
http://www.ebay.com/itm/Cobalt-HHR-Pontiac-G5-2-80122-Brake-Drum-5-Lug-Drum-/220734754678?pt=Motors_Car_Truck_Parts_Accessories&hash=item3364d10f76&vxp=mtr
To do this conversion you will also need an LSJ brake setup for the front. your calipers will be too small for them to bolt up to the new, larger discs.
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I converted my LS to a 5x114.3 pattern. You need to get LSJ hubs for all 4 wheels to re-drill them, I had Jeff (Screen Name Mongorat) re-drill mine for me. YOU DO NOT HAVE TO SWAP TO REAR DISCS FROM AN LSJ TO CONVERT TO 5 LUGS, I DIDN'T.. Chevy made cobalts with a 5 lug rear drum. just buy those drum brakes and drill the 5x114 pattern on to them the will literally bolt right up to your drums. with the conversion.
Link to Drums:
Cobalt HHR Pontiac G5 2 80122 Brake Drum 5 Lug Drum | eBay
To do this conversion you will also need an LSJ brake setup for the front. your calipers will be too small for them to bolt up to the new, larger discs.
Link to Drums:
Cobalt HHR Pontiac G5 2 80122 Brake Drum 5 Lug Drum | eBay
To do this conversion you will also need an LSJ brake setup for the front. your calipers will be too small for them to bolt up to the new, larger discs.
I found LNF / LSJ hubs that Mongo is selling but he said LNF and LSJ which kind of confused me. I asked him the same the same question but aren't the spline counts for the LSJ and LNF different? Not sure if that was an error on his part or if there's a hub that's universal for the 2.
So..
- LSJ Hubs Re-Drilled to 5x114.3
- 5 Lug Drum Cover Re-Drilled
- My LS Rotors Re-Drilled
How long do hub swaps generally take? Seems pretty straight forward but I've never had to remove the hub itself. Is there anything I should know to do or not to do? lol
Last edited by Steviodaddio; Mar 20, 2013 at 01:53 PM.
correct lsj (05-07 supercharged) and lnf(08-10 turbo) are different spline count and diameter. you want lsj hubs in the front, redrilled to 5x114.3. they will go right on to your current setup. you redrill your current rotors as well. even though they're 4x100, rotors can have holes overlapped because there won't be anything pressed in to them like with the hubs. so you can just redrill them and keep your same rotors and calipers.
for the rear drums i'm unsure on what you actually need to do, you should just be able to drill your current drums, unless the drum itself is what the studs press in to but that doesn't seem right. there should still be a hub. inwhich case you just run the lsj rear hubs, redrilled. and redrill your drums.
for the rear drums i'm unsure on what you actually need to do, you should just be able to drill your current drums, unless the drum itself is what the studs press in to but that doesn't seem right. there should still be a hub. inwhich case you just run the lsj rear hubs, redrilled. and redrill your drums.
correct lsj (05-07 supercharged) and lnf(08-10 turbo) are different spline count and diameter. you want lsj hubs in the front, redrilled to 5x114.3. they will go right on to your current setup. you redrill your current rotors as well. even though they're 4x100, rotors can have holes overlapped because there won't be anything pressed in to them like with the hubs. so you can just redrill them and keep your same rotors and calipers.
for the rear drums i'm unsure on what you actually need to do, you should just be able to drill your current drums, unless the drum itself is what the studs press in to but that doesn't seem right. there should still be a hub. inwhich case you just run the lsj rear hubs, redrilled. and redrill your drums.
for the rear drums i'm unsure on what you actually need to do, you should just be able to drill your current drums, unless the drum itself is what the studs press in to but that doesn't seem right. there should still be a hub. inwhich case you just run the lsj rear hubs, redrilled. and redrill your drums.
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correct lsj (05-07 supercharged) and lnf(08-10 turbo) are different spline count and diameter. you want lsj hubs in the front, redrilled to 5x114.3. they will go right on to your current setup. you redrill your current rotors as well. even though they're 4x100, rotors can have holes overlapped because there won't be anything pressed in to them like with the hubs. so you can just redrill them and keep your same rotors and calipers.
for the rear drums i'm unsure on what you actually need to do, you should just be able to drill your current drums, unless the drum itself is what the studs press in to but that doesn't seem right. there should still be a hub. inwhich case you just run the lsj rear hubs, redrilled. and redrill your drums.
for the rear drums i'm unsure on what you actually need to do, you should just be able to drill your current drums, unless the drum itself is what the studs press in to but that doesn't seem right. there should still be a hub. inwhich case you just run the lsj rear hubs, redrilled. and redrill your drums.
Here's what I found out about the rear drum. There is still a hub, to answer that, so the studs wouldn't be pressed into the drum itself.
There was another thread I found about a 2.2l rear disc break conversion.
https://www.cobaltss.net/forums/susp...ersion-137853/
I'm just curious now if a LSJ hub would fit correctly inside and butt up to the original 4x100 drum since the hub diameter is larger. I figure I'll need to buy the 5x110 5 lug drum cover unless the 4x100 and 5x110 are dimensionally identical.
Last edited by Steviodaddio; Mar 20, 2013 at 02:59 PM.
If You swap to LSJ hubs and re-drill them for the conversion you NEED an LSJ front brake setup as well. Your LS rotors are too small and will not fit over the LSJ hubs.
You will need:
LSJ Hubs All around (2 front, and 2 rear)
Front LSJ Calipers
Front LSJ rotors
Front LSJ Pads
Rear drums from a 5 lug cobalt (the ones I linked to earlier)
You will need:
LSJ Hubs All around (2 front, and 2 rear)
Front LSJ Calipers
Front LSJ rotors
Front LSJ Pads
Rear drums from a 5 lug cobalt (the ones I linked to earlier)
correct lsj (05-07 supercharged) and lnf(08-10 turbo) are different spline count and diameter. you want lsj hubs in the front, redrilled to 5x114.3. they will go right on to your current setup. you redrill your current rotors as well. even though they're 4x100, rotors can have holes overlapped because there won't be anything pressed in to them like with the hubs. so you can just redrill them and keep your same rotors and calipers.
for the rear drums i'm unsure on what you actually need to do, you should just be able to drill your current drums, unless the drum itself is what the studs press in to but that doesn't seem right. there should still be a hub. inwhich case you just run the lsj rear hubs, redrilled. and redrill your drums.
for the rear drums i'm unsure on what you actually need to do, you should just be able to drill your current drums, unless the drum itself is what the studs press in to but that doesn't seem right. there should still be a hub. inwhich case you just run the lsj rear hubs, redrilled. and redrill your drums.
Alright, cool. Hopefully he gets back to me and tells me they're LSJ hubs. I thought Mongo's car was a turbo swapped LSJ so we'll see.
Here's what I found out about the rear drum. There is still a hub, to answer that, so the studs wouldn't be pressed into the drum itself.
There was another thread I found about a 2.2l rear disc break conversion.
https://www.cobaltss.net/forums/susp...ersion-137853/
I'm just curious now if a LSJ hub would fit correctly inside and butt up to the original 4x100 drum since the hub diameter is larger. I figure I'll need to buy the 5x110 5 lug drum cover unless the 4x100 and 5x110 are dimensionally identical.
Here's what I found out about the rear drum. There is still a hub, to answer that, so the studs wouldn't be pressed into the drum itself.
There was another thread I found about a 2.2l rear disc break conversion.
https://www.cobaltss.net/forums/susp...ersion-137853/
I'm just curious now if a LSJ hub would fit correctly inside and butt up to the original 4x100 drum since the hub diameter is larger. I figure I'll need to buy the 5x110 5 lug drum cover unless the 4x100 and 5x110 are dimensionally identical.
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From what I remember the 5 lug drum is slightly larger than the 4 lug drum. I bought the 5 lug drums and re-drilled them for the rear just to be sure everything fit correctly when it was finally all together. I didn't want to run into any problems while putting it all together. the lsj hubs will bolt right up to the rear beam.
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