253 v's 308 bellhousings (sorry)

[JustenGT8]

1st up, apologies for the non toyota boat anchor question but needs must

Looking to swap out the 308 that runs a turbo 400 auto (to sell) from the Hilux and put in a 253 i have left over from the suicided volvo. I have heard that if it's a trimatic style 253 it won't bolt up to the turbo 400 ? Is this right? The 253 currenty runs a celica 5 speed.

Also, what are the chances of the redline Holley 600 inlet manifold currently on the 308 bolting to the 253?

[YLD-16L]

*cue sounds of crickets chirping in complete silence*

I reckon IF you want to call Jake (who is out at Gus's Mechanics or whatever it's called now) you'd have an answer lickety split. 253's and 308's are his thing.

I did say IF though

[MR 1JZ]

253...it looks like a V8, it sounds like a V8, it drinks like a V8

but gawd damn cletus it goes like a starfire hyuk!

couldnt resist sorry

[JustenGT8]

yup all sledging dutifully acknowledged and accepted

turns out i need an adaptor so can be done.

anyone know RE manifold question? Not as critical but save me some knuckle skinning for no reason

[MR 1JZ]

well back in my commodore days I remember guys used to crap on about fitting 308 heads to a two five free to increase compression and they went on with minimal modifications...so maybe they are the same

its a holden cast V8 though and they take 5 minutes to do anything on them just unbolt and see if it fits would be easy enough

[gianttomato]

TK on PF.com will know for sure.

[YelloRolla]

Late 253's (std intake manifold) accepts a 4 barrel - I believe that they are of the Rochester variety - therefore the Holley will need to be a spreadbore type. 4 Barrels on the 253 suck the big one - so if your Holley is the traditional square bore type it will not suit (AFAIR).

Sorry - the manifold should (will) bolt up - but it is not a good idea.

253 = V8 economy 6 Cylinder performance.

[Norbie]

Justen, do I have to fly down there and force/help you do a 1UZ conversion?

[ian]

hi
look up the castlemain rod shop site [rod hadfeild ]
the inlet manifolds are interchangable to a degree
the blue motor ones are slightly differen to the red motor 0nes
and there are adaptors available to swap all sorts of g/box /auto combinations
ian

[WDE_BDY]

308 blocks that bolt up to TH400 are different to earlier 308/253 that fit Trimatic. So it won't bolt up for you unfortunately. Good excuse for a 3UZ though.

Callum

[JustenGT8]

Don't stress peoples a UZ is planned but need short term solution so 253 going in as simply as i can make it....will just stick with stock 2 barrel carb then i guess...eww

[ajh]

[QUOTE=. 4 Barrels on the 253 suck the big one 253 = V8 economy 6 Cylinder performance.[/QUOTE]

Totally agree, I've seen the rochester 4Brl on a 253,

it runs and smells like an engine at wide open throttle with the choke shut!

and that's only at idle!!!!

Just for info, I had a 308 / turbo 400 in one of my cars. The block was an original turbo pattern block, and they are different to a traumatic pattern. There are adaptors available though. I've used Hadfield stuff before with no problems.

Also; more useless info, the extension housing on the turbo 400 came in 2 different lengths, depending on the vehicle it was going into.

Cheers

[hemi twofifteen turbo]

almost all (if not all?) 253's came out as a trimatic or aussie pattern. As for the heads these is pre pollution and pollution type. EGR or not. The manifold will bolt on no problem just use some metal mend or nead it putty to block the EGR if it turns out you need to. Also on a 253 a 2 barrel holley is fine. The 253 is a gutless engine in standard form --- in the early days with the 'red' motor it was choked with a tiny 2 barrel carby, later when the blue motor came out and a 4bbl was standard it was choked with emmission equipment and ultra conservative cam profile. A nice cam and a 4 bbl and the 253's go surprisingly well. im not sure the adapters your speaking off will work with the celica conversion.

[mrshin]

253's are traumatic pattern, 308's can be either, with earlier 308's and VN on 304's fitted with hydra-matic boxes having the 'turbo' bolt pattern. There are such things as adapters available, and there are people around who can re-drill your block to suit, I guess it's just a question of asking whether it's worth it!

The manifolds question depends entirely on what heads you've got. The manifold should bolt on though. A Holley 600 on a stock 253 is gonna be pretty damned average though! Quadrajet will give a little bit more control and slightly less fuel consumption (it's all relative).

[JustenGT8]

Thanks all, i think i am under control. By way of explanation......the current 'built' 308 has developed a bottom end knock...swapped in new bearing but No. 5 was obviously too far gone and oil pressure under 40psi results in very light knock.

I have 253 from suicided volve so just need to swap into Hilux to keep on raod until i have enough time to do a proper UZ swap.

Hilux has turbo 400 hence need for adaptor (which i have found)

Sounds like 308 manifold will swap onto 253 with a litle bodge so that will help. I realise Holley 600 is overkill but if it works it'll do? Anyone want to lend me a Holley 350 then?

308 to be parted out as has tweaked heads, crower cam, rolla rockers, new pistons, timing gear etc etc.

Any major flaws to plan (other than it's a pushrod PoS )