Maserati Indy front coil springs, what length? | FerrariChat
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Maserati Indy front coil springs, what length?

Discussion in 'Maserati' started by tonlaan, Mar 8, 2023.

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  1. tonlaan

    tonlaan Rookie

    Mar 8, 2023
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    Ton van der Laan
    #1 tonlaan, Mar 8, 2023
    I am trying to find new front coil springs for my Maserati Indy 4700 from 1971. I found springs that are supposed to fit Maserati V8's of the era, however they measure 33cm or 13 inches in length while the springs coming from the car measure 27cm or 11 inches. Also the new springs have 7 coils while the one coming from the car have 6 coils. The car has not been lowered and the springs appear to be original, there are no apparent modifications to the springs or the suspension. Does anyone know if there were different sizes of springs delivered on earlier Maserati Indy's. I tried to attach an image of the springs comming from the car, don't know if it worked.
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  2. Froggie

    Froggie Formula Junior

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    #2 Froggie, Mar 8, 2023
    Last edited: Mar 8, 2023
    Depends how you count the number of coils.
    On your picture above I count seven of them...

    About the length, old ones may have sagged due to ageing upon weight.

    For your info, here are two pictures of Indy's, a 4900 on its wheels and then a 4200 on jack, both look to have also seven coil springs like yours:

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  3. tonlaan

    tonlaan Rookie

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    #3 tonlaan, Mar 9, 2023
    Thanks for the pictures, that gives a nice view of what it is supposed to look like. I.m still wondering if the springs could have sagged 5cm or 2 inches. Seems like a lot. Also the car does not look lowered, see picture, any sagging should also be seen in the car's initial stance or should the new springs be much more complessible? Thanks again for the pictures, I am going to investigate some more.
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  4. Froggie

    Froggie Formula Junior

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    #4 Froggie, Mar 9, 2023
    The stance of your car and level of wheels in the wheel wells looks right to me.
    For reference, here is the stance of my 4900 from which I gave the picture of the front spring in the previous post. Looks similar

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    Why do you want to change your current springs (they just need some repainting)?
    (we know that the Indy is quite low, but that is its design...)
     
  5. tonlaan

    tonlaan Rookie

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    #5 tonlaan, Mar 10, 2023
    I got some new information, apparently a particular series of Indy 4200 was built with different springs. I though I had a 4700 :(, so I'll have to look into this. Most likely my car has the different springs. No details about the different springs are known though. I'll probably will have to go for standard springs, but I'm just wondering if the new ones should be slightly longer as the ones coming from the car, because the ones from the car might have sagged a bit.
     
  6. Froggie

    Froggie Formula Junior

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    #6 Froggie, Mar 10, 2023
    When I compare the side views of your Indy and mine, I think that your springs are up to the task, not sagged.
     
  7. staatsof

    staatsof Nine Time F1 World Champ
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    #7 staatsof, Mar 14, 2023
    The 4700 or was it a 4200 I once drove to Monterey from Sacramento scraped badly (really badly) in the rear when I had to drive it on a lift to replace all 4 tires. The belts were coming out of the sidewalls! :eek:

    Was that somehow related to this issue?
     
  8. Froggie

    Froggie Formula Junior

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    #8 Froggie, Mar 14, 2023
    The Indy is really low.
    I have measured a height of only 11 cm at the level of the finned sump:

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    But even worse is the heigth at the level of the mid exhaust silencer.
    About only 9 cm!

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    I have already rubbed the mid silencer several times and it is not easy to heighten it as it is by design with the attaching brackets.
    So you have to be very careful when driving it on bad roads, potholes or garage ramps...
     
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  9. staatsof

    staatsof Nine Time F1 World Champ
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    #9 staatsof, Mar 14, 2023
    Yeah I felt bad about the scraping but the shop I used to inspect the tires didn't have a 4 post lift. In fact the tire place I had to but the tires from refused to mount them to the wire wheels on the car, corporate policy. Then the shop who would do it was very nervous about the California repair shop inspector finding out. What a screwy state. The car drove nicely after that except for the failing clutch master cylinder. It was a lovely drive going down I5 and then via 152 into Salinas and eventually arriving at Monterey. That lovely mountain drive was just what that car was made for. It sounded so glorious.
     

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