few questions from amature

[staffy]

on the 2.7 is it just a 2.5 head its on karans old car GUG if anyone knows the engine i need a head gasket an poss a head also is remanufactured heads any good or should i just get a new one and where would be a good place to get one i sound stupid but just trying to learn thanx

[ian332isport]

GUG used a standard head gasket, so no probs there.

What's wrong with the head, as it's not exactly standard ?

[staffy]

dont no for sure wots wrong with the head yet preparing for the worst just but the head was skimmed
in nov dec and a thicker head gasket used the thickest of three from bmw apparently an she blew a couple of weeks ago on my 2nd day of ownership well i think she blew she went off a cylinder blowin white smoke an mixed haven got a chance to get her tested yet. do u know wot all was done to the head on her as i dont want to lose any power thats why i bought her after all

[ian332isport]

The head was originally from Griffin Motorsport, and was ported and flowed (on a brand new casting) etc. It was a very nice head, and really needs to be saved if possible.

Ian.

[staffy]

well if its been skimmed to many times it cant be saved can it? im thinkin its been skimmed to much an compression is to high for gasket can u get thicker ones? if i have to get a new head i will buy a new one an get it ported an flowed although the reciept was for 940+vat it would surely be worth it. she was going well to for my one day as she now has a full btb manifold an system

[fuzzy]

how about cometic? do they do headgaskets for the e30? they do thicker 3 layer steel gaskets to allow for skimmed heads that are re usable but i dont know if they cover bmw's

[staffy]

do they have a website i could look into it thanx

[fuzzy]

try them on here
http://www.cometic.com/

[staffy]

looks like they can do anything as a custom gasket but as for ordering one i think i will need someone to do it for me the measurements have me lost an how would u know how thick to get one

[staffy]

what about these ones do u think they could help me

www.ferriday.co.uk/ - 9k

[staffy]

right i can get a decompression plate and save the head bringing compression back to standard all i need is the depth measurement of a standard head can anyone help me with this

[Apal]

Standard 325i head is 125.2mm thick and can be machined to a minimum of 124.7

[staffy]

got the head pressure tested and skimmed this week (good job i have another car this is takin ages ) she now measures 120mm so looks like i def need a decomp plate has anyone any experience with these

[blingsta]

i had a 3mm made up from feriday for use on my 2.7 turbo, but i got rid of that engine and kept the decomp plate, ive actually given it to Ant and he might still have it,??

[Jhonno]

you sure its been skimmed 5.2mm?! Thats a massive amount off!

[Apal]

Get a ruler out an measure it just to make sure. OK not accuaret to parts of a millimeter but will tell you if its 120mm, 123mm etc.

Was at Ants yesterday (thanks Ant for the bank holiday time) working on the Racecar E30/Eaton M90 project and yes he has an ali decomp. plate hanging on the wall.

[staffy]

i wont get over to c the car till wed as i have it at a mates garage an hes away till then i was thinking it was a brave bit took off and def want to measure it myself to be sure. i have loads of new parts to go on and this is the last problem to sort so want everything to be right this time so i can have something sort of reliable!

Blingsta would the plate u had fit mine as its the 2.5 head?

[blingsta]

yes it will mate... i had a 2.7 bottom end with a 2.5 head... no probs.. i'll find out if Ant still has it..