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#951 |
Registered User
Join Date: Jun 2011
Location: Richmond,Va
Posts: 2,934
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Re: Make it handle
I think that as off topic as this is getting Rob would like us to think outside the box so I will expand on this by saying that I like your idea combined with my thoughts. Yes, drums hold water but they are not water magnets. They hold water when they are imersed or completely saturated. In normal rainy situations drums are not ENTIRELY bad. I could envision the crossdrilled/skeleton brakes with a shoe setup that is manufactured to either have slots across the face to direct gases/water toward the backing plate (think tire sipes) or seperate pucks on them as to induce the same kind of action. I could be wrong....
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Nick Carter 1967 C10 Short bed Fleetside Project Cheap Thrills! 2WD C10 Modern/Performance Alignments Easiest Alignment Ever! |
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#952 |
Senior Member
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Location: Dandridge, Tn. USA
Posts: 2,226
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Re: Make it handle
Thanks DOC. When it comes to 'outside the box', I have some good advice for hot rodders and builders. Take the box, and carefully open it, cut the edges, and lay it out flat. Now, Use the cardboard to make a test-fit template for the parts/ideas that you have. Thats the only good use of 'the box'.
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#953 |
Registered User
Join Date: Jun 2011
Location: Richmond,Va
Posts: 2,934
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Re: Make it handle
So what is your opinion of a set of pumped up drum brakes Rob?
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Nick Carter 1967 C10 Short bed Fleetside Project Cheap Thrills! 2WD C10 Modern/Performance Alignments Easiest Alignment Ever! |
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#954 |
Senior Member
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Location: Dandridge, Tn. USA
Posts: 2,226
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Re: Make it handle
BRAKE TESTING WAS A BLAST It was a long day, with a lot of laughs and fun. Special thanks to Jim, CJ, and Mike. First we had to learn how to use our new test equip. - I-phone lap timer/GPS/G-meter gadjet. We all started with the OE pads, and drove down to bed them in. This is also a pad we're used to driving on. We ran 5 laps on the 1.1 mile road coarse to learn the layout, checked over the vehicles, got started. The premium pads had the same outcome for all drivers. They felt good at first-After 2 or three laps, the heat cased them to fade. On the 70-0, the pads were not cool enough to grab hard. Next, it was Hawk's turn. A noticable improvement. Everybody liked them, they put up good road coarse times, and stayed for the stop tests. Baer's pads seamed to be very close to Hawk. The improvement in RC times may have been due to driver experience (could not test these on the JT, it needed a rest anyway) On to Wilwood BP-20. Lots of brakes. Now we had to learn how to drive. These pads slowed every up on the first two or three laps, then we got fast. Also, an improvement 70-0, We did hear them a bit, and noticed a little dusting, or it was El-Toro. Last up was Wilwood #A pads. ultra agressive. A new learning curve here, or a real driver is needed. None of us could get used to them on the RC, But, if you could modulate the pedal just right, 70-0 was great! Oh, noisy and dusty. So, at the end of the day, we all needed new tires (thank you so much BFG) and were tired of changing pads. W all dicided that the more agressive Wilwood pads would be great for competition, but may be too much for a driver. The Hawk, Bear, (or an equal) were worth the money), and none of us will run OE pads again.
Camaro times: O.E. pads - RC=1.38, ST=128ft Hawk - RC=1.31, ST=121ft Baer - RC=1.28, ST=117ft BP-20 - RC=1.24,** ST=118 #A - RC=1.27, ST=106** Bullit times: O.E. pads - RC=1.41, ST=139ft Hawk - RC=1.29, ST=134ft Baer - RC=1.29, ST=133ft BP-20 RC=1.26**, ST=126ft #A - RC=1.31, ST=111ft** J.T. O.E.pads - RC=1.58, ST=165ft Hawk - RC=1.49, ST=147ft Baer - RC=1.47, ST=145ft PB-20 - RC=1.41**, ST=137ft** #A - RC=1.44, ST=1.52ft
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GoodGuys 2012 Pro-Truck Champion ![]() 2012 Truckin' Throwdown Champion GoodGuys 2011 National Champion ![]() 2011 Truckin' Throwdown Champion GoodGuys 2010 National Champion ![]() Proud to put our products up against all others! Last edited by robnolimit; 12-15-2011 at 04:03 PM. |
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#955 |
Senior Member
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Location: Dandridge, Tn. USA
Posts: 2,226
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Re: Make it handle
Note: was it scientific? - NO. Does it prove anything? A little. Are we experts? - NO. The J.T. posted the biggest overall gains, which is a good sign for the average truck lover. We learned the none of us are good enough drivers to take full advantage of the most agressive pads. We also learned without a doubt, that a good set of pads is worth the extra $$$. And, that a day with friends at an abandend airfield is way better than actually working.
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#956 |
Senior Member
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Location: Dandridge, Tn. USA
Posts: 2,226
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Re: Make it handle
A good drum will out brake a comparable disk the first time, but they get hot faster, and are harder to cool. We do some 'period' builds with the old stuff, big aluminum cased buick drums, and I am always shocked at how well they work.
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#957 |
67cheby
![]() Join Date: Sep 2008
Location: siloam springs ar 72761
Posts: 17,890
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Re: Make it handle
cool info thanks for sharing !!
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#958 |
Registered User
Join Date: May 2011
Location: oakhurst ca.
Posts: 40
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Re: Make it handle
Rob ,Sounds like a fun day also very informative , thanks for taking the time and sharing your findings I have always wondered if the more expensive pads performed better. Not trying to change the subject but I am curious what your thoughts are on front suspension. Do Camaros and Corvettes have a design advantage over the trucks when it comes to the basic geometry ? if so do you know what the differences are ? Are the differences in the spindle design or the upper and lower control arm mounting points ? or all of the above ? is it possible to obtain the same geometry using truck components ? just curious
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#959 | |
Senior Member
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Location: Dandridge, Tn. USA
Posts: 2,226
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Re: Make it handle
Quote:
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#960 |
Senior Member
Join Date: Aug 2002
Location: Valley Center KS
Posts: 3,525
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Re: Make it handle
Which model of Hawk pads were you using?
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#961 |
Senior Member
![]() Join Date: Jul 2010
Location: Dandridge, Tn. USA
Posts: 2,226
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Re: Make it handle
We used the HPS pads, very street friendly and only about 50 bucks a set. The HP pro is more suited for autocross and track days, but we thought that they were not a good comparion for our tests.
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GoodGuys 2012 Pro-Truck Champion ![]() 2012 Truckin' Throwdown Champion GoodGuys 2011 National Champion ![]() 2011 Truckin' Throwdown Champion GoodGuys 2010 National Champion ![]() Proud to put our products up against all others! Last edited by robnolimit; 12-18-2011 at 01:06 PM. |
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#962 | |
Registered User
Join Date: Apr 2001
Location: DALLAS,TX
Posts: 21,977
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Re: Make it handle
Quote:
Ok, Vette stuff works great in a Vette & does not perform the same if swapped into a C10. That being said, it should still work better vs. the truck stuff & would shed some front end weight??? Yes, no?
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67SWB-B.B.RetroRod 64SWB-Recycle 89CCDually-Driver/Tow Truck 99CCSWB Driver All Fleetsides @rattlecankustoms in IG Building a small, high rpm engine with the perfect bore, stroke and rod ratio is very impressive. It's like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar..... Cubic inches is like Indiana Jones with a cheap pistol. |
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#963 |
Senior Member
Join Date: Dec 2003
Location: Mesa,Az
Posts: 3,981
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Re: Make it handle
I don't want to step on any toes jumping into a thread that another vendor started... but I do have a little input on the Vette stuff. There are going to be a lot of variables, but the there can be some major performance gains if configured properly. A C4 conversion can be configured so that it only raises the motor 1.5" from stock, but lowers the entire truck a good 6-7 inches from stock. It can also achieve a roll center height of 4.725" and get a nasty 9.09 degrees of caster. The unsprung weight savings is also a big plus.
If configured properly, the vette components can perform extremely well on a truck.
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www.PorterbuiltFabrication.com Phone: 480-297-2621 E-mail: sales@pbfab.com Find us on FaceBook under Porterbuilt Fabrication Specializing in Chassis and Suspension Components for your Classic Chevrolet Truck. We offer components from the following manufacturers: Porterbuilt Accuair Ridetech (Air Ride Technologies) Air Lift Wilwood Intro Unisteer ECE Gotta Show Air Lift Borgeson CPP Supporting this forum since 2003! |
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#964 | |
Registered User
Join Date: Apr 2001
Location: DALLAS,TX
Posts: 21,977
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Re: Make it handle
Quote:
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67SWB-B.B.RetroRod 64SWB-Recycle 89CCDually-Driver/Tow Truck 99CCSWB Driver All Fleetsides @rattlecankustoms in IG Building a small, high rpm engine with the perfect bore, stroke and rod ratio is very impressive. It's like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar..... Cubic inches is like Indiana Jones with a cheap pistol. |
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#965 |
Senior Member
![]() Join Date: Jul 2010
Location: Dandridge, Tn. USA
Posts: 2,226
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Re: Make it handle
Nate us correct. - No thread jacking issues - the more the merrier. I encourage all the input. I have to agree with Nate on the performance gains. Would it be better if it had a magic 'Z' rack so you could drop the motor? - sure. But there is no such thing. Remember that everything we do is a trade-off.
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#966 |
Registered User
Join Date: May 2011
Location: oakhurst ca.
Posts: 40
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Re: Make it handle
Thanks for the input everyone ,As for the new project we are pulling it into the shop early next week right next to the Tahoe ( still waiting to get on the dyno at Whipple) I will post some pics so you can see what a pile of crap we started with thats the reason for all the questions. I am starting with a clean slate and plan on a full chassis build so I want to explore all my options before I get in to deep . I plan on using the same rocker arm rear suspension I have on the tahoe ,Robs familiar with it . I also plan on setting the motor back at least 4 inches so i thought the steering clearance issues would be minimal . here is another question on frame rail design I want to keep weight to a minimum so what do you guys think is the strongest yet lightest way to go? I do plan on a cage with engine hoop and rear kickers . Oh yeah this is a 70 blazer and will be a roadster when finished .Thanks for the help
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#967 | |
Senior Member
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Location: Dandridge, Tn. USA
Posts: 2,226
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Re: Make it handle
Quote:
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#968 |
Registered User
Join Date: May 2011
Location: oakhurst ca.
Posts: 40
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Re: Make it handle
Your right Rob I did get bit but it was long before our invite to the Optima ,this project has been in the works for a while and now that we are getting close to finishing the tahoe its time to get moving, It will be nice to have something that I can run at all the events and not be limited by year plus it will be cool to build something without the normal expectations we deal with at the shop everyday
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#969 | |
GEARHEAD
Join Date: Aug 2003
Location: MN
Posts: 6,122
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Re: Make it handle
Quote:
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If no one knows what you're doing, they can't tell you you're doing it wrong HG's Dream Car Build - Shelby Cobra Kit Build your own adjustable track bar 71 ![]() 72 ![]() HG's Plow Truck '78 ![]() Bigass Farm Truck HG's thread of miscellaneous stuff |
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#970 |
Registered User
Join Date: May 2011
Location: oakhurst ca.
Posts: 40
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Re: Make it handle
I was thinking about a build thread if its something people would like to see. Also EVERYONE needs to know I am not a professional chassis builder and should not assume any thing I do is either safe or sane . I was hoping if I start a build thread that you guys will keep me in check
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#971 | |
Fun Stuff
![]() Join Date: Jan 2010
Location: Sedro Woolley, WA
Posts: 400
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Re: Make it handle
Quote:
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Jay 68 C10(project) 88 Honda Accord(DD) 93 Chevy Astro EXT 2wd |
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#972 | |
GEARHEAD
Join Date: Aug 2003
Location: MN
Posts: 6,122
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Re: Make it handle
Quote:
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If no one knows what you're doing, they can't tell you you're doing it wrong HG's Dream Car Build - Shelby Cobra Kit Build your own adjustable track bar 71 ![]() 72 ![]() HG's Plow Truck '78 ![]() Bigass Farm Truck HG's thread of miscellaneous stuff |
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#973 |
Senior Member
![]() Join Date: Jul 2010
Location: Dandridge, Tn. USA
Posts: 2,226
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Re: Make it handle
If your going to build a cage assy that spans front to rear, you can use 2 x 3 x .120" tubing. Normaly we would blend 2x4 and 2x6 if no cage.
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#974 |
Registered User
Join Date: Nov 2011
Location: Omaha, Nebraska
Posts: 437
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Re: Make it handle
I must have read this thread a hundred times now and finally have a plan and some ideas. However, I also have questions... Let me start with my plan, by the way, this is for a 65 Chevy C-10 (383, 5-speed).
Plan: 1 1/8" Sway Bars Front and Rear - Helwig from Summit (HEL-7423 - $206.69; HEL-7401 - $270.99) 3" Drop Front - 2" from drop spindle; 1" from shorter springs 4" Drop Rear - 2" from lowering block; 2" from shorter springs 30" Adjustable Panhard Bar KYB GR2/Excel-G Shocks AGR Performance SB2 Steering Box #204317 - $339.95 (Summit) Relocate front end weight rearward – Battery & gas tank. Partial Belly Pan and aero design to reduce front end lift at speed. 18X9 Wheels & 295/35ZR18 Continental Extreme Contact DWS Tires Goals: 1) To make the truck handle as good as possible so as to support my spirited driving style. 2) To allow for the safe transition of nearly 350 rear wheel lb/ft at idle (1200 RPM) to acceleration. Questions: 1) Are my plans complete and acceptable? 2) Are the stock mounts appropriate for the adjustable panhard bar or do new ones need to be fabricated? 3) Which would be a better 1st gear for this transition 2.87:1 or 3.28:1? 4) Are the shocks I selected adequate for the price (About $60/shock) or would spending a little more result in substantial improvements? Thanks!! |
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#975 |
Senior Member
![]() Join Date: Jul 2010
Location: Dandridge, Tn. USA
Posts: 2,226
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Re: Make it handle
Looks like a pretty solid plan. I recomend our new C-10 sway bar over the Helwigs, especially in the rear. There front is comparable to ours. (ours is 1 1/4) You really need a panhard rod that allows you to adjust the Roll Center. Ours, or Hotchkis. If you have 400+ fl./lb. of torque avail, you dont need the 3.28 first gear, stay with the 2.87. That is a fairly good shock. - but you may want to consider relocating the rear mounts. Our shock mount kit realy does make a difference, better money spent there. When will you be starting.
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