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petrol gearbox

Tech Talk for Cruiser owners.

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Posts: 1477
Joined: Tue Mar 07, 2006 1:13 am
Location: The Gong

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petrol gearbox

Post by jimbo jones »

Just wanted to know how would a petrol box go behind a 1HZ turbo?
jimbo
current truck, 105 series GXL diesel 6" springs & twin pro lockers
sierra LWB spoa one wide track diffs twin locked

Sierra Parts Wanted pm me
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Joined: Sun Jan 25, 2004 11:45 am
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Post by RV80 »

Im sure that the twin cam petrol and diesel gearboxs are the same.
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Joined: Tue Mar 07, 2006 1:13 am
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Post by jimbo jones »

RV80 wrote:Im sure that the twin cam petrol and diesel gearboxs are the same.
Can anyone conferm this are the ratios the same?
jimbo
current truck, 105 series GXL diesel 6" springs & twin pro lockers
sierra LWB spoa one wide track diffs twin locked

Sierra Parts Wanted pm me
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Posts: 701
Joined: Tue Feb 03, 2004 3:04 pm
Location: Melbourne

Post by 80UTE »

jimbo jones wrote:
RV80 wrote:Im sure that the twin cam petrol and diesel gearboxs are the same.
Can anyone conferm this are the ratios the same?
jimbo
Gear boxes are the same ( 4.5 petrol and fact turbo diesel ) input shaft has different spline ( 1HZ 21 spline ~ 280mm dia clutch ) ( 1FZ/1HDT 14 spline ~305mm dia clutch ) input shaft lenght and bolt patterns where box bolts to bellhousing is the same. the 1HZ flywheel can be redrilled to suit the larger turbo clutch or if a FZJ75 clutch disc can be used ( 14 spline ~280mm dia ) with the original IHZ pressure plate.

Have fitted this box with larger clutch many times on 1HZ's

Wally
THERES ONLY ONE SUBSTITUTE FOR CUBES AND THATS MORE and if you want more inchs stroke it !!!!!!!!!!!
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Posts: 1477
Joined: Tue Mar 07, 2006 1:13 am
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Contact jimbo jones

Post by jimbo jones »

80UTE wrote:
jimbo jones wrote:
RV80 wrote:Im sure that the twin cam petrol and diesel gearboxs are the same.
Can anyone conferm this are the ratios the same?
jimbo
Gear boxes are the same ( 4.5 petrol and fact turbo diesel ) input shaft has different spline ( 1HZ 21 spline ~ 280mm dia clutch ) ( 1FZ/1HDT 14 spline ~305mm dia clutch ) input shaft lenght and bolt patterns where box bolts to bellhousing is the same. the 1HZ flywheel can be redrilled to suit the larger turbo clutch or if a FZJ75 clutch disc can be used ( 14 spline ~280mm dia ) with the original IHZ pressure plate.

Have fitted this box with larger clutch many times on 1HZ's

Wally
thanks for the info
jimbo
current truck, 105 series GXL diesel 6" springs & twin pro lockers
sierra LWB spoa one wide track diffs twin locked

Sierra Parts Wanted pm me
Top
Posts: 701
Joined: Tue Feb 03, 2004 3:04 pm
Location: Melbourne

Post by 80UTE »

jimbo jones wrote:
RV80 wrote:Im sure that the twin cam petrol and diesel gearboxs are the same.
Can anyone conferm this are the ratios the same?
jimbo
1HZ and 3F boxes had a lower first gear than the 1FZ/1HDT box but the other ratio'd are the same!!!!!!!!!!!!!!!!!!

Wally
THERES ONLY ONE SUBSTITUTE FOR CUBES AND THATS MORE and if you want more inchs stroke it !!!!!!!!!!!
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udm
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Post by udm »

80UTE wrote:
jimbo jones wrote:
RV80 wrote:Im sure that the twin cam petrol and diesel gearboxs are the same.
Can anyone conferm this are the ratios the same?
jimbo
1HZ and 3F boxes had a lower first gear than the 1FZ/1HDT box but the other ratio'd are the same!!!!!!!!!!!!!!!!!!

Wally
1st & 2nd gears
Ulises

www.OzSigns.com - 0400008422
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Location: wollongong

Post by dow50r »

Jimbo, you have a 100 series, with r151 box, top put the petrol 80 box in, you need...fzj75 clutch plate, hzj80 bellhousing and the petrol box and 100 petrol auto/manual or turbo diesel manual transfercase.
Your r transfer wont bolt to 80 box, different splines.
See me if you want to do this conversion as i have a few of the bits required
Andrew
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Post by jimbo jones »

dow50r wrote:Jimbo, you have a 100 series, with r151 box, top put the petrol 80 box in, you need...fzj75 clutch plate, hzj80 bellhousing and the petrol box and 100 petrol auto/manual or turbo diesel manual transfercase.
Your r transfer wont bolt to 80 box, different splines.
See me if you want to do this conversion as i have a few of the bits required
Andrew
Its not for my 100 Andrew my mate has a 80 turbo diesel auto vx and he want a manual
jimbo
current truck, 105 series GXL diesel 6" springs & twin pro lockers
sierra LWB spoa one wide track diffs twin locked

Sierra Parts Wanted pm me
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