You can find this stuff same as me. But here's a stock sitting 340 car.
Leaf spring help
- Thread starter mopower440
- Start date
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mopower440
Well-Known Member
That's not sagging any if at all from stock so now you have a base line. You're welcome.
mopower440
Well-Known Member
wow..for the past 28 years or so that i have owned this thing i thought it was sagging because it sits so low back there! I didnt ever think they sat that low from new. I guess i definately want +1 springs
'67 Dart stock leaf springs. Swapped out the lower leaf for what is called the "Big Block Short Leaf".
Sat 2" higher than stock ride height.
14 x 7 Wheels
Can make up the Big Block short leaf from used W200 front axle leafs, use the lower shorter leaf spring. Can cut them to length on the long end with a chop saw and round the ends like stock with a grinder. They are about 3/8" thick, and still rode nice when done. Or buy them online if you can find them.
Can add Monroe-Max air shocks (Rock Auto for the Darts) for a little fine tuning if you so desire. They don't take much air pressure to move it a bit after you have the Big Block leafs in... and still rides nice.
Stay away from the Hijacker Shocks, too stiff and no ride quality.
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Sat 2" higher than stock ride height.
14 x 7 Wheels
Can make up the Big Block short leaf from used W200 front axle leafs, use the lower shorter leaf spring. Can cut them to length on the long end with a chop saw and round the ends like stock with a grinder. They are about 3/8" thick, and still rode nice when done. Or buy them online if you can find them.
Can add Monroe-Max air shocks (Rock Auto for the Darts) for a little fine tuning if you so desire. They don't take much air pressure to move it a bit after you have the Big Block leafs in... and still rides nice.
Stay away from the Hijacker Shocks, too stiff and no ride quality.
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I would say at the very least.
The 'skirt-style' wheel opening in the Darts & Valiants/Scamps give the illusion they are lower than they are, but the rockers should be level with the road or slightly higher in the rear.
When I installed the GLH coils in My Omni, it looked high in the front,...most are high in the rear to handle passengers & cargo, and need the room for compression w/o harsh riding heavier rear coils. Turns out that the rockers were dead on 10" off the road front & rear, but the wheel openings make it appear low in back/high up front....it's not & handles great.
Having the leaf flat is superior for cornering, just FYI, if that matters to You.
mopower440
Well-Known Member
anyone used these, and if so, how high do they sit compared to stock?
https://www.jegs.com/i/Mopar-Performance/312/P3412003/10002/-1
https://www.jegs.com/i/Mopar-Performance/312/P3412003/10002/-1
Done told you once. I've used several sets Those are SUPER STOCK racing leaf springs. The rear will be HIGH. Some people think they ride harsh. They never bothered me. Why do you keep going back to those? That's not what you want or need from what you've said.
abodyjoe
Well-Known Member
give @BergmanAutoCraft (pete) a call at Contact - Bergman Auto Craft - Home of Quality Muscle Car Parts and see what he has.
these are stock height springs that i got from pete a few years ago.
tires are 25.5" tall..
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mopower440
Well-Known Member
oh, i didnt realize those were the same ones. I remember seeing someone here or on moparts saying the XHD were just right or something. So far, Eaton spring is the only one ive found that sells the different height springs but they want 400.00 per spring so im out on that! ESPO is 5 months out and i need them sooner than that.
abodyjoe
Well-Known Member
espo +1" springs (6 leaf). both cars only have 14" rims and tires.
Davco
Well-Known Member
I have an extra pair of XHD from Mancini I don’t need.
I’ve had SS springs on my Bee since the 80’s. Originally about 2” higher than stock, now, not so much. Like RRR, never thought the ride all that different. Their price is better than anything else.
DartGTDan
'71 Dart GT Fan
The Jaundiced GT has ManciniRacing 2800lb springs on it. The car has the factory installed a-body 8 3/4" rear end. I have WheelVintiques 15" X 7" Rallye wheels with 245/60R15 tires (my car has room for 255/60R15 tires (next time)). Front wheels are factory 14" X 5 1/2" Rallye wheels with 195/75R14 tires.
Don't forget , if you want your car to sit level, the MP SS springs won't do it. The car will sit lower on the driver's side by about 1.5". The reason for this is so the car will launch straight at the drag strip.
mopower440
Well-Known Member
Na, i am not going that route. Not sure what im going to do because the only place that does different heights is eaton spring, and they want 400.00 per side, PLUS an additional 50.00 for the 1" increase..ESPO is 5 months out , cant wait that long so i dont know ..
General Spring will also do it.
mopower440
Well-Known Member
They said no, and all they offer is stock height and 2.5 over
There you go. Get the 2.5
mopower440
Well-Known Member
Huh?? Then its *** will be way up like the ss springs wont it?
Get your jack and jack it up so the wheelwell is 2.5" higher than it is now and look at it and see what you think. Take a picture of it and post it.
Also, keep in mind your car MAY be sitting lower than stock.
mopower440
Well-Known Member
alright
mopowers
Well-Known Member
If you go with the +2.5 springs, you could toss a couple lowering blocks in it to dial in the height you want (e.g., 2.5 - 1 =1.5"). Or flip the front hangers. Plenty of options...
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