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Thread: Beams 3S oil Pump and firewall clearences

  1. #21
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    for ipra, cant cut tunne lor fire wall at all , cant use 6 speed so w57 5speed is the go and i have a spare sway bar here will take some pics

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    Senior Member Anthony's Avatar
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    At the risk of some sort of argument, you can actually modify the tunnel in IPRA in order to accomodate a gearbox of more suitable strength. You can't change the firewall though, that's true. I think if you were really tricky you could get one in an 86 with no firewall mods nor any swaybar mods. And this would have far more benefit than simply avoiding a custom swaybar if you get what I mean.

    Also, you can run the 6 speed as plenty of IPRA cars already do, you just have to lock 1st gear out. Which is fine as its of no real use anyway. This gives you a much closer set of gears (2nd-6th) than a stock W box. If you're rich however, or at least have the budget to do things properly, get a built W box for sure.

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    canyou "clearance " the firewall? like love taps? or belting the fuck out of it but NO cutting?

    brendan recons he got his in with no cutting. I ran out of talent, but i think if you were clever and had a bit of skill, you could get the engine to where i and brad have it without cutting. in the end i only cut cos it was easier....
    RIP Carly - a smile to light the world.
    06/07/2011

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    what is exactly out the back of the motor so far that the firewall needs modifying ?

    mine is a long way back.. and still no clearance issues.. altho getting to the top bell housing bolts nearly requires a special spanner..

    or is it simply to get the sump to clear the sway bar ?
    Owner built and tuned 9000rpm 402kw atw 3sGTE - AE86

    Quote Originally Posted by Beau View Post
    4ages are for the scared

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    No it's not. To me, it's more about optimal weight balance than getting a special swaybar. Hence my previous post. On the beams theres one fitting out the back with some unnecessary water fittings and a necessary oil drain. Not too big a deal, less than what's on a gen2/3 anyway.

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    ah ok.. so main priority is really weight balance ? with the pay off of fitting the beams oil pan in aswell..

    i should measure how far back mine is.. compared to all these would be interesting..

    i think the middle of my motor is further back than the middle of a 4age.. by about 2 inches at a guess..
    Owner built and tuned 9000rpm 402kw atw 3sGTE - AE86

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    4ages are for the scared

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    thebiggest hurdle for me was the bell housing at the snout of the tunnel? it just rubbed too hard on the ribs... didnt have any idea how much the motor would move sooo made more room than i need.

    can get regular spanners in the back to get engine off bell, so plenty of room.

    my engine also sits a fair bit behind where the 4a did ...
    RIP Carly - a smile to light the world.
    06/07/2011

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    Senior Member s14seriesII's Avatar
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    ah yes.. i am maybe running my engine a bit lower than the normal..
    the crankshaft counterweights would be about half an inch off the crossmember.. the sump has cut outs where it goes over the steering rack even..
    this may have made fitting teh R154 easier aswell..
    Owner built and tuned 9000rpm 402kw atw 3sGTE - AE86

    Quote Originally Posted by Beau View Post
    4ages are for the scared

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    Senior Member Anthony's Avatar
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    Yeah weight balance. Everyone has different priorites with a conversion like that, and it's always a compromise. It's like if you say you didn't have to modify the swaybar people reading assume you placed the engine where you did so you didn't have to modify the swaybar. I know full well how easy it is to get a custom swaybar, so I would never let that factor affect engine position too much. They don't get that that was just a lucky byproduct of a better engine placement.

  10. #30
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    anthony did you get the motor in with out spacing the xmember down 25mm like mister sherwood did at all
    and yes you are right its the oil drain back that is the problem to fit into a car .i just made the bar up to fit so it was easy for me and also at the same time the bar was made as a fully adjustable as well
    in my 45 which is bigger and heavier than the 86 my weight ratio with a f series disc barke rear is 52 front and 48 rear with me in the car
    would be good to see what the spoontah comes in at
    on the box issue its 4 kilos in weight difference between the w and the j box but also gear stick is further back as well

    also didnt you from memory, cut the fire wall to get it in as well

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