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Im just wondering if I should go for a 350 in my HQ, or spend a little bit more and go for a 383?
Can anyone give me a quick comparison between build cost, power output and driveability??
Also - if anyone knows of any decent engine builders in Perth, or where the best place to source crate motors? I'm not looking for a horsepower hero, just a good solid streeter.
Cheers, Al
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I am going through this very exercise currently. I have a non-molested 350 (running badly) I have stripped down to rebuild / refresh.
For a 383 stroker kit (in NZ) pricing is currently running $1500 - $4000. Then the machining is likely to be an extr |
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I dont have anything to work with at this stage. I can buy a brand new 350SBC block off a mate, but aside from that, I have to start from scratch.
So Im just wondering if I should spend a little extra at the start and go for the 383?
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3.75" stroke crank brand new is about the same cost as a crank grind on a secondhand 350 crank. Pistons are about the same cost too. So Id go for the 377 (what you are calling 383).
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Cheers HK
What sort of power would I be looking at?
Also - what sort of power loss is there through a TH400?
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Gday,go for the TH350 and just put a shift kit and 2000stall converter in it.This will handle a good 383.
TH400s are BLOODY HEAVY(cast iron)and will rob you of power as they also have heavy internals.
I dropped a TH400 on my brother whilst trying to
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Guess it depends on your budget.
More cubes = more power.
383s are a proven combo and with the 3.75 stroke makes for great street engines. You can easily make a 400hp engine that you dont have to rev the ring out of it. (6000 to 6500rpm) They make more
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quote:
Originally posted by Big Al
Cheers HK
What sort of power would I be looking at?
Also - what sort of power loss is |
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+1 for t400, unless you need every last pony, why not fit the stronger box?
+1 also for 3.75 stroke, by the time you mess around with a crank grind and what not, a stroker kit is good value.
minimal clearancing in the bottom end, shouldnt cost any m
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try Chris Mills Kewdale or CHevpower in maddington for a crate motor. Starting @ $2990 for a 290 Hp version. These come with vortec heads, and 4 bolt mains.
I would go for a crate motor, tick done. Next job.
The T400 is a far easier conversion in H |
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Hi Guys.
A few myths creeping in here !!
Tex said "TH400s are BLOODY HEAVY(cast iron)"
NO they are not, both the TH350 & TH400 have all-alloy casings. The last cast-iron GM auto box was the early Powerglide. Now they were BLOODY heavy.
adam P |
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Guys,
Agree with Adam, Go for a crate motor and T400. I did this to my HQ ute (check members rides) and I am more than happy with the result. 330Hp turn key motor for $5900. Fully recon T400 $1600. Tailshaft and diff compliments of Adam. Easy to fit,
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Gidday all
As has been said if its torque you want go for a 383.
I have gone for a 350 bored .030 with AFR 195s, forged bottom end, good bearins and rings, Air gap manifold and a 650 HP Holley in a 4-bolt block and I reckon its gonna be a killa with th
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I have been doing a lot of soul searching on my options also and I was trapped between 350 and 383. My heart wanted 383 but the hand brake coughed loudly at 20 all up including 5 speed and housing. Found some decent guys in Welshpool that have put me in
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quote:
Originally posted by Dr Terry
Hi Guys.
A few myths creeping in here !!
Tex said "TH400s are BLOODY HEAVY(cast iro |
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quote:
Originally posted by Big Al
Im just wondering if I should go for a 350 in my HQ, or spend a little bit more and go for |
Old holdens brought on the spot, quick decision, cash paid. |
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quote:
Originally posted by adam PERTH
quote |
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thats all good.
But, its not really required.
WANTED:
QR 662xxx
1984 WB oyster crashpad
1x15x8 Cheviot armoulite HQ
pair of 15" Dragway centrelines suit HQ |
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Cheers for all the info guys. Gives me something to think about engine wise. Will be going for the T400 just incase I en up chasing a bit moe power.
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SORRY if I was misleading you about the T400 having a cast iron case(its been over 10 years since I have messed with one)
I was sure the middle case was cast iron and the bellhousing and extension housing was aluminium......maybe Ive confused a T400 wi
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