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#1251 |
Registered User
Join Date: Jul 2009
Location: Bartlett, TN
Posts: 88
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Re: Make it handle
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#1252 | |
Registered User
Join Date: Jul 2009
Location: washington
Posts: 4,178
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Re: Make it handle
Quote:
The biggest complaint, my upper control arm bolts aren't splined so you have to have a wrench on both sides to change out my washers that are the spacers
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377 sbc thumpr cam autogear m23 muncie 3:73 Detroit trutrac 3''spintech prostreet mufflers xpipe 1 3/4 headers build thread !http://67-72chevytrucks.com/vboard/s...d.php?t=577217 Iroc gauge threadhttp://67-72chevytrucks.com/vboard/s...d.php?t=554511 |
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#1253 |
Senior Member
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Location: Dandridge, Tn. USA
Posts: 2,226
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Re: Make it handle
Here's a thought about tires. We all know they wear out, and some of the things we do make them wear out sooner. Most don't put that amany miles on these trucks, but some are DD's, or close. So, lets say a new set of skins costs 1200 bucks, I know, but I buy good tires. And, for a mormal driver, they last three years, again, I also buy sticky tires. Now, you do a more aggressive alignment, and you throttle it more, it is fun, and they only last two years.
Math time. $1200 for three years = $400 a year on tires. $1200 for two years = $600 a year on tires. The difference is $200 a year. That's $16.67 a month. And, thats for expensive tires and some spirited driving. Just give up two McBurgers a month and tell the alignment shop to man-up. Everything will work out. Better handling, and you'll drop a few pounds.
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#1254 |
Registered User
Join Date: Apr 2012
Location: Cambridge, Ontario, Canada
Posts: 1,771
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Re: Make it handle
Pennies a day when you put it that way!
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Craigerrr My build thread, CRGRS 66 Winter Build: http://67-72chevytrucks.com/vboard/s...09#post5638709 |
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#1255 |
Registered User
Join Date: May 2012
Location: Ventura CA
Posts: 17
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Can anybody tell me why if we can buy a irs setup out of a crown vic for 400$ why would we go to all the trouble and expense to go four link or pan hard or three link or other setups?
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#1256 |
Senior Member
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Location: Dandridge, Tn. USA
Posts: 2,226
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Re: Make it handle
anyone?
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#1257 |
Registered User
Join Date: Jul 2009
Location: washington
Posts: 4,178
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Re: Make it handle
Cause. Its made by a company we don't like. I'm sure even rob has a Chevy in his for-er truck lol plus alt of fab work in making the wheel base correct
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377 sbc thumpr cam autogear m23 muncie 3:73 Detroit trutrac 3''spintech prostreet mufflers xpipe 1 3/4 headers build thread !http://67-72chevytrucks.com/vboard/s...d.php?t=577217 Iroc gauge threadhttp://67-72chevytrucks.com/vboard/s...d.php?t=554511 |
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#1258 |
Registered User
Join Date: May 2012
Location: Ventura CA
Posts: 17
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#1259 |
Registered User
Join Date: Nov 2010
Location: Grand Terrace, Ca.
Posts: 1,607
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Re: Make it handle
Hey Rob, are you making any of those rear sway bars (like the one on JT) yet? I would like to buy one please. My truck is almost done and I need a rear sway bar.
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#1260 |
Registered User
Join Date: Jan 2011
Location: Mount Airy, NC
Posts: 132
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Re: Make it handle
There is a thread on here showing the Ford IRS installation and it is possible but not pretty....lol I thought I had it bookmarked, but can't find it. I guess you can google Ford IRS for it. I would think it is a good idea for ride and handling, but I'm guessing hard to modify for improvements.
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Jack Byrd '70 Chev Custom SWB(new to me), 307CID(added Weiand Stealth, headers and Edelbrock Performer carb, up to 17 MPG now), 700R4 '76 Airstream Argosy MH(want a longer one), 454CID, TH400 |
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#1261 | |
Truck and auto performance nut
Join Date: Feb 2007
Location: McKinney,Texas
Posts: 3,848
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Re: Make it handle
Quote:
I thought the crown vic had a solid rear axle? And the irs's were coming from t-birds, cougar's and lincoln's?
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Kurt - '68 GMC short step - NIB '09 LY6 6.0L crate motor w/mods, NIB '12 crate 4L85e w/billet 3k stall Circle D, 3.73 posi 12 bolt, DynaTech f-swap headers, 3/4 drop, handling mods, etc. - my toy '72 Chevy LWB C-10 Highlander - 350/350 ps/pb/tilt/ac - not original but close '06 Chevy TrailBlazerSS - LS2/4L70e - little black hot rod SUV - my DD '18 Kia Sorento - wife's econo-driver '95 Chevy S10 - reg cab shortbed, LS, 4.3, auto... my '68's powertrain and chassis build -links broken A surprise phase - carb to efi -links broken |
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#1262 | |
Registered User
Join Date: May 2012
Location: Ventura CA
Posts: 17
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Re: Make it handle
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#1263 |
Registered User
Join Date: May 2012
Location: Ventura CA
Posts: 17
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Re: Make it handle
Some crown vics had the irs. I found a police interceptor irs unit with low miles for 350$. so it sounded like a good way to go until you add up the fab time and materials.
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#1264 |
At the body shop.
Join Date: Aug 2009
Location: Land of fruits and nuts.
Posts: 5,224
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Re: Make it handle
Cvpi's ive been under all were straight axles.
Posted via Mobile Device
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" That didnt make it any newer " " Dont antique the equipment " |
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#1265 |
Senior Member
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Location: Dandridge, Tn. USA
Posts: 2,226
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Re: Make it handle
These do have IRS units in them. And, they can be installed into older trucks. But, the fab work is exstensive. Next, I'm not sure there is much gain. The CV is a bit heavier than the truck, so lighter springs or bags are needed. Converting to a coil-over is a mess. The 8.8 gear is good up to 400hp or so, but the half shaft & c.v.'s are only good for 325hp. Stronger parts are avail from the Shelby guys, but at 500hp, it's time to throw that stuff out and go to a solid axle. SO, whats the verdict? If your building a mild cruiser on a budget and you have plenty of fab skills and time, go for it. If this doesn't sound like you, don't.
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#1266 |
Registered User
Join Date: May 2011
Location: oakhurst ca.
Posts: 40
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Re: Make it handle
Hey Rob
Lets see some pics of that new wide ride ? or should i go to the web site to get the lowdown . I have been waiting to check it out before I start on the new build |
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#1267 |
Registered User
Join Date: Apr 2010
Location: AL
Posts: 209
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Re: Make it handle
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#1268 |
Registered User
Join Date: Nov 2010
Location: Grand Terrace, Ca.
Posts: 1,607
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Re: Make it handle
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#1269 | |
Senior Member
![]() Join Date: Jul 2010
Location: Dandridge, Tn. USA
Posts: 2,226
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Re: Make it handle
Quote:
![]() Good seeing you in P-town, the Blazer looks good out there (or Yukon?) How's the new project coming?
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#1270 |
Senior Member
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Location: Dandridge, Tn. USA
Posts: 2,226
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Re: Make it handle
I'm tryin guys. For some reason this project is dragging on. Current interest is pushing me to go get some spurs and kick this thing forward somehow. I'll keep you posted. SOON
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#1271 |
Registered User
Join Date: Apr 2012
Location: Memphis, TN
Posts: 65
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Re: Make it handle
Rob, I've been watching this thread with quite a bit of interest! I've recently gotten into the world of classic trucks and was excited to see this thread crop up. I'm finishing up an LSx swap in a 99 M3 for my track car/toy. However the truck needs to handle well too because what fun is a truck that handles like an old truck.
Here is my current list of what I want to do, please feel free to pick at it. I've basically used this thread as the handling "bible" when it comes to making these truck handle. Front Suspension *I have a completely new rebuilt front end from a '72 C10, that I am going to swap to my current frame/crossmember. *2.5" Dropped Spindles *Moog Springs - The #6102 cut one coil *Powersteering using a Lee's box and Captain Fab's bracket *Swaybar - Helwig or yours I'd love to give you some business! Rear: *No Limit Shock Relocation Brackets *No Limit Panhard Bard *2" Lowering blocks possibly 3"? I am not sure how I feel about 3" blocks... *Spring Choice??? I do not hear much about a rear spring choice. I'm thinking about ordering some different afco springs from the local dirt track shop and play with lengths and rates. Possibly even some weight jacks for adjustability. *Flip the trailing arm brackets Blistein shocks all around I'd love to go with some sort of modular spindle and some geometry correcting lower control arms, but I think for now what is shown in this thread seems to fit the bill... Maybe down the road. This will give me a good solid base to start from.
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'55 3200 283 4 speed '68 Pontiac Firebird Poncho powered with a 6 speed |
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#1272 |
Senior Member
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Location: Dandridge, Tn. USA
Posts: 2,226
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Re: Make it handle
looks like a good list. Do the caster mod and move the lower arm forward 3/4" to 1". (3/4" requires less grinding). Max safe block is 2". A-body chevelle springs have the same pigtail, but getting the height right may take some trial and error. I have tried the 250, 275, and 300 lb springs, I like the 275lb'ers the best, but you won't be hauling much with them. Welding in a socket of a weight jack is the smartest thing to do, then you can set the R.H. perfect.
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#1273 | |
Registered User
Join Date: Apr 2012
Location: Memphis, TN
Posts: 65
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Re: Make it handle
Quote:
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'55 3200 283 4 speed '68 Pontiac Firebird Poncho powered with a 6 speed |
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#1274 |
Registered User
Join Date: May 2001
Location: Arizona
Posts: 758
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Re: Make it handle
I have a quick question about tire sizing. I am getting ready to buy new tires and am looking at the different options. Any recommendations? Specifically on sidewall heights? I have 20" wheels, 8.5 & 10s. Is 245/35 and 285/30 too small? I don't care for the bulgy tire look, but would I benefit a lot from going to 255 in front and 295 in the back?
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#1275 |
Senior Member
![]() Join Date: Jul 2010
Location: Dandridge, Tn. USA
Posts: 2,226
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Re: Make it handle
Tire sizing depends on what you want from the tires. Looks, stance, performance, ride...... The lower the sidewall, the worse the ride, but, to a point, the better the handling. A tire with 30% to 35% aspect ratio (sidewall spec) seams to be at the handling limit. A tire with less than 3" of sidewall has a hard time settling in to a corner. The tires you spec are
245 35 20 285 30 20 in inches 9.64w 3.31sw 26.62dia 11.22w 3.36sw 26.72dia if you changed to 245 40 20 285 35 20 you'd get 9.64 3.85 27.7 11.22 3.92 27.85 or 255 35 20 295 30 20 to get 10.03" 3.51 27.02 11.61 3.48 26.97 these are all in the ball park, the next question is, can you get the size you want with matching tread. Check out Tire Rack or Discount tire online to make the homework easier.
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