how do you diy bonnet raises

[jonnyo5991]

wanting to raise bonnet qabout a cm what do i use n how do i do it pics would be great cheers

 

[dac69er]

washer seem to be the normal thing. you could buy or make spacers out of plastic or metal.
either way they will do the job

 

[Fatman]

Why do it at all?

 

[dac69er]

Why do it at all?

let more hot air escape the engine bay

 

[jonnyo5991]

because i think it looks good on jap cars , so just put a washer nin between bonnet and mounting points use same bolts?

 

[dac69er]

because i think it looks good on jap cars , so just put a washer nin between bonnet and mounting points use same bolts?

yup, basically. i think most people use longer bolts, depends how high you raise it. i dont know how long the stock bolts are so you may get away with 1cm but then again you may not.

 

[Fatman]

Not at all, Raising bonnet actually introduces high pressure to the top of the engine bay, decreasing the ability to flow where it's designed to. Plus it looks nasty

http://autospeed.co.nz/cms/title_Undertrays-Spoilers-Bonnet-Vents-Part-1/A_2159/article.html

Read part 1,2 and 3 if you're serious about improving airflow

 

[enright82]

because without it raised my bonnet wont shut!

 

[dac69er]

Not at all, Raising bonnet actually introduces high pressure to the top of the engine bay, decreasing the ability to flow where it's designed to. Plus it looks nasty

http://autospeed.co.nz/cms/title_Undertrays-Spoilers-Bonnet-Vents-Part-1/A_2159/article.html

Read part 1,2 and 3 if you're serious about improving airflow

but if you have a fmic then you have altered the flow of air you need through the engine bay anyway so that doesnt really come into it so much.

also, the jam racing frp bonnet that parkiboy is selling has vents in the rear of it so it must do something as i cant imagine a half decent jap company like jam making pointless addition.



i agree that the look isnt to my taste. plus i would never do it on an everyday car as water would pour in the rear of the bay when it rained or you washed it

 

[Mike_ep91]

a dozen washers and 2 bolts that are a about 5mm longer then stock ones are all you need to raise the bonnet.i have mine raised and it keeps the engine bays temps nice and low.