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Old 07-16-2014, 02:32 PM   #1
BLTZKRG
 
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Best Subframe Connectors?

Looking for a set of Subframes for my 2014....Alot of options, all look very similar....Who has best design? Any Clearance issues with 3" exhaust or problems when lowering? Car will be street driven daily and tracked maybe 1-3 times a year. Are they even necessary? I plan to do delrin/poly bushings to the front and rear down the road....im coming from an 04 Cobra that had full delrin rear bushing kit..so road noise isnt a concern. Any insight or experience appreciated. Thx in advance.
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Old 07-16-2014, 03:42 PM   #2
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Subframe connectors have their place but there are a lot of other things I would recommend doing before you get there. The BMR subframe connectors and tunnel brace will provide a little more clearance for exhaust.
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Old 07-16-2014, 03:45 PM   #3
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Save your money and do other suspension upgrades. IMO they provide more weight than performance.

There are plenty of other bushings in the suspension that can be replaced for a fraction of the price that will give you a better feeling car.
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Old 07-16-2014, 03:47 PM   #4
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Will do....this is my 1st chevy. Coming from the mustang world....everything gets subframe connectors...thats 1 of 1st/best mods u can do to them. I had them on a 2007 Dodge Charger R/T Daytona...made a world of difference....7yrs of chassis development and im sure the Camaro is far superior.
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Old 07-17-2014, 07:03 PM   #5
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Agreed.. A good set of solid subframe bushings will do a whole lot more than subframe connectors. Here are the main areas you want to address:

Subframe/cradle bushings
Upper control arm bushings
Trailing arms w/outer bushings
Toe links/rods
Sway bars
Front radius arm inserts

If you really need more exhaust clearance (usually you can adjust to make the stock one work) The BMR tunnel brace is a nice piece.

Feel free to call, PM or email me anytime with questions and I'll be happy to help with your setup.

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Old 07-17-2014, 07:23 PM   #6
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Sounds about like my '04 Cobras IRS....basically replace all bushings. Hopefully it isnt near as time consuming.....the kit i used for that was mostly Aluminum/Delrin....it came with Zerk grease fittings....wondering why this is not necessary on the camaro? Seems to be a necessary feature.
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Old 07-17-2014, 07:35 PM   #7
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Quote:
Originally Posted by BLTZKRG View Post
Sounds about like my '04 Cobras IRS....basically replace all bushings. Hopefully it isnt near as time consuming.....the kit i used for that was mostly Aluminum/Delrin....it came with Zerk grease fittings....wondering why this is not necessary on the camaro? Seems to be a necessary feature.
Many of the aftermarket arms and bushings do have Zerk fittings for grease. On the subframe bushings you don't want any grease as your goal is to stop any and all movement.

On the Camaro, Delrin doesn't have much of a place IMO. In most of the places where some offer it rather than a poly bushing, I just assume use a spherical bearing or a solid aluminum piece.

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Old 07-18-2014, 05:12 AM   #8
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Quote:
Originally Posted by JDP Tyler View Post
Agreed.. A good set of solid subframe bushings will do a whole lot more than subframe connectors. Here are the main areas you want to address:

Subframe/cradle bushings
Upper control arm bushings
Trailing arms w/outer bushings
Toe links/rods
Sway bars
Front radius arm inserts

If you really need more exhaust clearance (usually you can adjust to make the stock one work) The BMR tunnel brace is a nice piece.

Feel free to call, PM or email me anytime with questions and I'll be happy to help with your setup.

Best regards,

Tyler
888-308-6007

I have all the following from JDP and I am very pleased.
Subframe/cradle bushings
Upper control arm bushings
Trailing arms w/outer bushings
Toe links/rods
Sway bars
Front radius arm inserts
Tyler and Jordan are knowledgeable and patient considering your goals.
They will not steer you in the wrong direction. (No pun implied)
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Old 07-18-2014, 09:59 AM   #9
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Quote:
Originally Posted by JDP Tyler View Post
Many of the aftermarket arms and bushings do have Zerk fittings for grease. On the subframe bushings you don't want any grease as your goal is to stop any and all movement.

On the Camaro, Delrin doesn't have much of a place IMO. In most of the places where some offer it rather than a poly bushing, I just assume use a spherical bearing or a solid aluminum piece.

Best regards,

Tyler
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Www.fulltiltboogieracing.com Let the fun begin....lots of excellent info on why delrin over poly. Bruce in the man IMHO
Watch some of the vids of his car on the track. This will give u guys a better idea of what previous experience was. 1000x's better than stock. I will say my stock camaro feels almost as good as my cobra with full tilt kit installed. Personal opinion of poly bushings after using full tilt kit not real high....thats why im not understanding more delrin isnt used in the camaro kits.
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Old 07-18-2014, 10:22 AM   #10
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Hotchkiss Subframe Connectors to answer your original question.
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Old 07-18-2014, 10:48 AM   #11
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BMR offers Delrin Subframe (Cradle) bushings, Delrin differential bushings, and Delrin rear upper control control arm bushings. For most people, who still want a fairly quiet street-driven car, the Delrin material is too hard and transmits too much NVH. As you know, the material is harder than our polyurethane equivalents, and is pretty much like using solid aluminum bushings. But for those folks looking for the ultimate performance where NVH is not a deciding factor, the Delrin components are a great option. As many have said, the subframe connectors are definitely a worthwhile addition, but should probably be one of the later modifications done to the car. Take care of the other more important "low hanging fruit" first and add subframe connectors after that.
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Old 07-18-2014, 11:35 AM   #12
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Adding solid aluminum subframe bushings really didn't change the NVH for me. Granted, I installed my suspension piece by piece so it was a gradual change (with the subframe bushings being the last installed). I'm sure if I compared my car to a stock SS it would be noisy as hell, but IMO it really isn't bad at all.
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Old 07-18-2014, 11:50 AM   #13
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Quote:
Originally Posted by Dexman1349 View Post
Adding solid aluminum subframe bushings really didn't change the NVH for me. Granted, I installed my suspension piece by piece so it was a gradual change (with the subframe bushings being the last installed). I'm sure if I compared my car to a stock SS it would be noisy as hell, but IMO it really isn't bad at all.
I agree with you completely! Some people are a little more sensitive to increases in NVH than others. My car has the solid subframe bushings and spherical rod ends all over the place too. I don't think the NVH is that bad.....in my own opinion! But like you said, compared to a stock SS, I'm sure it is quite different. It's been a LONG time since my car had stock suspension on it!!! All depends on what is more important to you.....performance or comfort! For most folks, the polyurethane upgrades are a good middle-ground to go with.
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Old 07-18-2014, 12:30 PM   #14
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Yep my cobra was the same way....no rubber anywhere and heim joints galore....i loved the ride of it. Dont care about NVH just ultimate handling.
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Old 07-18-2014, 12:31 PM   #15
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Still doesnt address lack of zerk fittings question.
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Old 07-18-2014, 12:57 PM   #16
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Still doesnt address lack of zerk fittings question.
The cradle bushings and differential bushings are a "static" bushing, they don't move....therefore no periodic lubrication is required (maybe just a little to help with installation if needed). Our Delrin rear upper control arm bushing is a "dynamic" bushing and does have a grease zerk fitting. All of our trailing arms, toe rods, and lower control arms also have grease zerk fittings on the ends where the poly bushings are installed. The control arms that have rod ends or heim joints are Teflon lined and we recommend periodic cleaning and lubrication with this stuff.....

http://www.amsoil.com/shop/by-produc...?code=AMHSC-EA
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Old 07-18-2014, 02:16 PM   #17
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You mean these:


Only places that don't have those are where the stock outers are still used.
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Cosmetic: ZL1 front w/mailslot, painted stripes, powdercoated SS rims, tow hook, and Gary's customs bowties, painted emblems and taillight bezels

Suspension: Pfadt subframe bushings, Pfadt rear UCA bushings, Z28 Upper control arms, Spohn trailing arms with BMR trailing arm & differential bushings, ZL1 Toe Rods and springs, Prothane radius arm inserts & steering rack bushing, Pfadt Sport sways, Pfadt strut brace

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Old 07-18-2014, 02:23 PM   #18
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Originally Posted by BLTZKRG View Post
Www.fulltiltboogieracing.com Let the fun begin....lots of excellent info on why delrin over poly. Bruce in the man IMHO
Watch some of the vids of his car on the track. This will give u guys a better idea of what previous experience was. 1000x's better than stock. I will say my stock camaro feels almost as good as my cobra with full tilt kit installed. Personal opinion of poly bushings after using full tilt kit not real high....thats why im not understanding more delrin isnt used in the camaro kits.
I'm aware of the differences/benefits of delrin or a solid bushing over poly and I do agree that delrin would be a better option than poly for some bushings. There are options for delrin if you so choose that for your application. But again, any location you could use Delrin, I prefer to use a Spherical bearing to allow the suspension to articulate as it should, or a solid aluminum bushing as it won't wear out.

If you're really looking for the best of the best, look into Detroit Speeds line. We run their Speed 3 kit on our 2011 Shop car and have one of the fastest 5th gens out there when it comes to the twisties. We use, install and track test every part we sell so we know what parts work and what doesn't and the advantages/disadvantages of each combo. We have won and taken FTD at many Autocrosses and taken home DSE's fastest 5th Gen award over a built Z/28 and the Lingenfelter L/28 Camaro at the last USCA event.

We're always happy to help answer questions and help get you setup with the right parts the first time. Feel free to call, PM or email me anytime and we can discuss in detail.

Best regards,

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Old 07-19-2014, 12:34 AM   #19
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^^type of response i like to read. Thanks i will def. Look into it....sorry about the z06 conga line if any of you watched the vids on the full tilt boogie site. :/ Bruce is a hell of a pilot.
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