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308 holden or 350 chev

General Tech Talk

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308 holden or 350 chev

Post by known 2 »

wich is the better motor for a fj40 as in wich makes more power and is easy'er to hot up, more reliable and makes beter torque down low?

cheers
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86 lwb zook wt soa, 33's, locked, bard up, prety lights. monster tacho:/
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Post by simkell »

go the 350 more parts available, make more power from standard and are reliable. there is no substitution for cubic inches.
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Post by Aerenandmel »

gotta love the exaust note from a hot 350 chev
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Post by roc box »

350 hands down
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Post by chimpboy »

roc box wrote:350 hands down
Yup.
This is not legal advice.
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Post by adamj1300 »

are we talking carby or EFI?
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Post by known 2 »

old school carby
kaylee 2004 hdj78 RV. 33 mickey atz's, winchbar, 3i lift, 3i exhoust, spoties, roofracks and ufh. pimped interior .

86 lwb zook wt soa, 33's, locked, bard up, prety lights. monster tacho:/
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Post by Ruggers »

chev more power more parts cheaper parts and they fit better being a tighter v
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Post by pongo »

Ruggers wrote:chev more power more parts cheaper parts and they fit better being a tighter v
SO are you saying the chev's are a smaller motor across the heads ? any ideas on how much longer the 350 is compared to the 308.

Some figures would be nice if possible.


Thanx
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Post by known 2 »

from the 2 engines i looked at today the 350 chev apeared to be much shorter than a 253 holden but the holden seemed to have more go wtf
kaylee 2004 hdj78 RV. 33 mickey atz's, winchbar, 3i lift, 3i exhoust, spoties, roofracks and ufh. pimped interior .

86 lwb zook wt soa, 33's, locked, bard up, prety lights. monster tacho:/
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Post by pongo »

i tried gogling for the info i needed for half an hour and came up with 0 . I have the specs for a chev somewhere on a cd but i have nothing for a holden v8 .
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Post by cutzook »

three 50 :armsup:
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Post by hokey »

known 2 wrote:from the 2 engines i looked at today the 350 chev apeared to be much shorter than a 253 holden but the holden seemed to have more go wtf
definitely not true about the 253. if you have a petrol landcruiser you would be giong from the 2F which is a 257ci to a 253ci which is a downgrade. 253's are shit 308's aren't quite as shit and 350's are THE shit :D just can't beat that low down power. it'll be similar to the 2F :lol:
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Post by known 2 »

yeh i was realy suprised but this 350 seemed very lazy unwilling to rev and the 253 just wanted to go, strange
kaylee 2004 hdj78 RV. 33 mickey atz's, winchbar, 3i lift, 3i exhoust, spoties, roofracks and ufh. pimped interior .

86 lwb zook wt soa, 33's, locked, bard up, prety lights. monster tacho:/
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Post by hokey »

Thats the great thing about 350's. they don't rev. they make so much torque you just change gears :armsup: if you want to rev put a zook engine in it :finger:
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Post by known 2 »

is the 400 chev just a bored out 350 can u get them to go fast
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86 lwb zook wt soa, 33's, locked, bard up, prety lights. monster tacho:/
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Post by pongo »

known 2 wrote:is the 400 chev just a bored out 350 can u get them to go fast
How full is your wallet. They are a different block but the crankis interchangable. You can put in a 350 crank to destroke it and make it rev.

A 350 can go well, Just ask any sprintcar driver :armsup: .
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Post by hokey »

400 blocks have siamese bores and i have heard of this being a problem temp wise. don't underestimate the 350 though as pongo says they can get ALOT of power out of them even without forced induction. They will push a 40 along quite easily :cool:
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Post by V8Patrol »

ENGINE

Power figures for Chevs

CHEVY LB4 V6
V6
4300
PETROL
120@4000
318@2400

CHEVY L35 V6
V6
4300
PETROL TBI
149@4500
352@3600

CHEVY 305
V8
5000
PETROL TPI
131@4000
367@2400

CHEVY 350
V8
5700
PETROL TPI
160@3800
406@2800

CHEVY 454
V8
7500
PETROL
171@3600
522@1600

CHEVY 454SS
V8
7500
PETROL
190@4000
550@2400
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Post by V8Patrol »

Holden motors ........

202 RED
6
3298
PETROL
81@3900
251@2100

202 BLUE
6
3298
PETROL
83@4000
231@2400

202 BLACK
6
3298
PETROL
86@4200
232@2400

202 BLACK
6
3298
PETROL EFI
109@4400
266@3200

VN 3.8 LTR
V6
3791
PETROL EFI
125@4800
292@3600

VP 3.8 LTR
V6
3791
PETROL EFI
127@4800
293@3600




VT 3.8 LTR
V6
3791
PETROL EFI
147@5200
304@3600

VT 3.8 LTR
SUPER CHARGED V6
3791
PETROL EFI
171@5200
375@3000

253 RED
V8
4142
PETROL
120@4500
325@2600

253 BLUE
V8
4142
PETROL
100@4200
269@2000

308 RED
V8
5044
PETROL
161@4800
400@3100

308 BLUE
V8
5044
PETROL
117@4000
336@2400

308 BLACK
V8
5044
PETROL
121@4200
343@2400

308 VK GROUP A
V8
4987
PETROL
196@5200
418@3600

308 BLACK VL
V8
4987
PETROL ULP
122@4400
323@3200

308 VL GROUP A
V8
4987
PETROL ULP
137@4400
345@3200

308 VL GROUP A
V8
4987
PETROL PFI
180@5200
380@4000

VN 5.0
V8
4983
PETROL EFI
165@4400
385@3600

SV89 5.0
V8
4983
PETROL EFI
180@4400
400@3800

SV5000 5.0
V8
4983
PETROL EFI
200@5400
410@3600
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Post by V8Patrol »

the 2 above lists are setout like .....

MODEL
CYL
DISP / CC.
TYPE
Kw@RPM
Nm@RPM



and the conversion tables for us older guys ..... ;)

Horsepower (hp) = Kilowatt (kw) x 1.34

Kilowatt (kW) = Horsepower (hp) x 0.746

Torque (lb.ft.) = (Brake hp x 5252) / RPM

Litres (l) = Cubic Inches / 61.02

Cubic Inches = Litres x 61.02
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Post by V8Patrol »

known 2 wrote:yeh i was realy suprised but this 350 seemed very lazy unwilling to rev and the 253 just wanted to go, strange
Normal :roll:

The 253 will rev its tits off and is a great little power plant problem is they simply run out of puff when the real grunt is needed. The 350 on the other hand wont rev until you spend some $$$$ on good "hot up bits ", then hang on to ya undies !!!
:shock:


Best way to describe the differance......
4cly bling bling ricer versus a Western Star truck

the 253 will be quite nimble and quick, will rev out and pull realy well..... thats until you chuck a trailer on behind and a few mates jump in aswell then it will become a lazy gutless asmatic engine

The 350 will pull regardles whether its running empty or loaded to the hilt .



As for the actual engine dimensions......
the 253 is lower in height but wider in width than the 350. The difference is less than 2". The length of the 2 engines is also very close with the 350 being slightly longer, again its SFA difference


Kingy
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Post by cloughy »

Power figures dont mean much, Dry run, wet run, ambient temp., air filters, fuel system, blah blah blah???

But what ever you do use EFI
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Post by known 2 »

efi would be nice but to expensive to hook up just go a carby on gas for time being
kaylee 2004 hdj78 RV. 33 mickey atz's, winchbar, 3i lift, 3i exhoust, spoties, roofracks and ufh. pimped interior .

86 lwb zook wt soa, 33's, locked, bard up, prety lights. monster tacho:/
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Post by known 2 »

i'll bring up an old argument here, the 350 definatly lacks take of power and is lazy to about 3500rpm i have to ride the clutch in the 3 i've driven to get off the line ans they were only running 33's

where as the 308 seems to take of better and pull harder all the way it dun make as much torque but makes better use of it, pitty it dun sound as good.

but if i had the money i would love a 351 clevo hands down
kaylee 2004 hdj78 RV. 33 mickey atz's, winchbar, 3i lift, 3i exhoust, spoties, roofracks and ufh. pimped interior .

86 lwb zook wt soa, 33's, locked, bard up, prety lights. monster tacho:/
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Post by sniper »

Definetlya 350, or 327.

400 to long of a stroke. 253 boat ancher, 308 not as much torque as a 350 and torque is what its all about.

get a 454 spend 10-15 on it :twisted:
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Post by Zuki98 »

There is no substitute 4 cubic inches!!
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Post by vorno_18 »

a little diff but a 351 is just as easy to get and fit and i have heard are a good motor for a 4wd

was considering putting one in my 60 series but have decided to pull my injected 304 out of my caprice christmas time and throw it in

but would deff go a carby for 4wding as less things to go wrong, you wouldnt want a computert problem going through a 4ft deep mud hole a couple hours from a town would you
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Post by sniper »

If you want a ford motor take one out of a BA MRKII GT
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Post by GQPatrol V8 »

known 2 wrote:yeh i was realy suprised but this 350 seemed very lazy unwilling to rev and the 253 just wanted to go, strange
Hmmm , Doesn't sound like my 253, the peice of shit!!!!

:lol: :lol: :lol:
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