Motor Vehicle Maintenance & Repair Stack Exchange
Motor Vehicle Maintenance & Repair Stack Exchange

Questions tagged [modification]

47 questions
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5 answers

Why do some tuned cars have very inclined tires?

I've seen photographs of cars with strange inclined tires like the one in the picture I pasted here. They seems to be Japanese cars. Is it for drifting? Maybe for appearance? Do the tires get injuries?
Roby Sottini
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10
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How do I get more power out of a rotary engine?

Background I'm looking at a few cars for a track day car that I can abuse. One of the vehicles I'm considering is an older Mazda RX7. The primary reasons being that it has a rotary engine as well as the curb weight, which is very low. I like the…
DucatiKiller
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2000 chevy cavalier cheap upgrades

I am a high schooler that was lucky enough to get a 2000 chevy cavalier 2.2l automatic 4 door sedan for $100 for my 16th birthday. One of the parents owns a drag strip/race track that we can use, so we are NOT doing this stuff on the road. Sometimes…
Alex Rodgers
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Fuel injection modification for increased displacement

I am working on a 2 cylinder, 250 cc motorcycle which I am increasing the displacement to about 350 cc but I have no way of remapping the ECU. Is it possible to get a satisfactory result by changing the injectors to a larger size and use a…
Max
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1 answer

DIY: Prepare Virago for both tall and short riders

Background I currently ride a Honda Africa Twin and my wife rides a stock Virago 535, just like this: I will soon sell my Africa Twin and we'll keep only the Virago, but I'm not very familiar with these types of motorbikes (looking forward to…
Cthulhu
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Gasket\seal material that won't stick to paint if it degrades over time?

I'm making a modification to the external GPS\Radio antenna on the roof of my vehicle. The short version is that I'm going to use the mounting for the existing antenna housing to add a bigger roof top unit with a camera in it. The existing mount is…
Aaargh Zombies
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3 answers

Anyway to ditch keyless ignition for ignition that uses a key?

Keyless ignition seems like mostly a bad thing to me (they seem more unsafe and prone to complications than a simple key-based ignition). The vehicles I'm interested in are starting to come with keyless ignition as a standard. Does this mean I'm…
cr0
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Is there any benefit in performing a 4/7 swap on an LS engine?

Based on some resources, I was able generate a list of all theoretical firing orders for an LS engine with a cross-plane crankshaft. Here they are (L,R denote which bank each cylinder in the firing order belongs to): 1-5-4-2-6-8-7-3…
Zaid
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4
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Battery Relocation to Trunk Pros & Cons?

Are there any significant upsides or downsides to moving the battery to the the trunk? My impression is that it's just a preference thing that doesn't really affect anything at all in any real way. Here is what I have - want to know what I am…
VSO
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Does cooler air improve turbo performance?

When modifying NA cars I've always been advised to try and protect the intake from heat soak from the engine bay because the engine performs better with cooler air. This makes sense. I now have a turbocharged car (Vauxhall Astra VXR) and it has a…
James Monger
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Can I just tie additional LED's into my near-new-model cars interior lighting circuitry without issue?

The cargo area of my 2017 ford edge is very dim, there's a small led off to the side but it's pretty dim and very easily blocked. I'm thinking about adding some lights to help the situation, but this is the first car I've owned built in this…
Sidney
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Tuning cars from the 90's and prior

Introduction (for those who dont care): Hi. I'm currently developing a drag racing game in the style of the beloved Street Rod and I'm kinda new to cars in general. Im reading about tuning as is the main focus of the game but almost everything i…
Jh62
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Can I use several car batteries to crank a big engine?

Can I use 2 or 3 lower cranking amp batteries to crank a bus instead of 1 battery that would have enough cranking amps alone? Would 2 950 cranking amp batteries in parallel equal 1900 cranking amps?
user22295
3
votes
3 answers

Can I replace my ignition coil with a ECU?

Can I take the ignition coil out of my 1965 dodge challenger and replace it with a ECU? If I can, how will I go about doing it? Can it be a simple replacements?
LostPecti
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Problem switching in new dome lights in the front

I'm trying to install these multi-color dome lights, I successfully installed the right side, but when I tried to install on the left side, the left one won't work. The product is not the issue, I tested it and the product works. When I install the…
user2246387
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