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[turboblack2door]

what is my compression going to be with the vitaras and the custom fjt rods in a jdm d15b. i keep calling and leaving messages with fjt but no responce

[92CXyD]

Goto this link: http://www.zealautowerks.com/dseries.html

input what you have and when you get to rod length type in what length of the custom I-beams.
Already has the spec. for vitaras in there. ;D

[turboblack2door]

how many mm is the long fjt rod? i did a conversion of what i thought it was and it only comes out to like 7.2:1 but that's not right. Please someone help or fjt chime in

[92CXyD]

If it is the same as the d16 custom length it 138.65 mm ;D

[turboblack2door]

its shorter by a lot. i had custom lengh fjt for a z6 because thats what i thoutht i had(engine stamp was ground off but eveything else showed z6) and the piston was almost to the top of the first pistion ring above the deck

[92CXyD]

look fjt's website he should have some specs.

[92CXyD]

according to fjt's site 5.37"=136.4mm

[MTZ]

 NOTE: i just realized that this is NOT the d15 i beam this info would be correct for the d16 fj i beam. probably close enough since they both just bring the vitara up to deck but not accurate for the d15

Compression Ratios using FJ R Spec Custom I beams + Vitaras:
(Number in parenthesis represent CR ratio using std. 137mm rods such a Eagles or any other brand)

D16Y8---> 8.8:1CR (7.8:1)
D16Z6 with Y8 2 layer HG ---> 8.48:1 (7.47:1)
D16Z6 with .030"HG---> 8.4:1 (7.4:1)
D16Y7---> 8.4:1 (7.4:1)
D16A6----> 8.1:1 (7.1:1)
DOHC ZC---> 7.9:1 (6.9:1)

[92CXyD]

good info MTZ but the OP was looking for vitara comp. with fjt's custom d15b usdm rods of 136.4mm which should get his comp. some where around 7.92:1 if he is using a d16z6 head.

 

[danz]

good info MTZ but the OP was looking for vitara comp. with fjt's custom d15b usdm rods of 136.4mm which should get his comp. some where around 7.92:1 if he is using a d16z6 head.

 

i lol at you.

[MTZ]

[Joseph Davis]

That's only a 6.9:1 CR in a DOHC ZC?  Hrm.  Joey is interested.

[MTZ]

That's only a 6.9:1 CR in a DOHC ZC?  Hrm.  Joey is interested.

i fucked that all up because the info i posted is for the d16 i beam not the d15 which is a diff lenght..

[Joseph Davis]

I know.  Seeing as how a ZC uses a D16 rod, interesting.

[turboblack2door]

good info MTZ but the OP was looking for vitara comp. with fjt's custom d15b usdm rods of 136.4mm which should get his comp. some where around 7.92:1 if he is using a d16z6 head.

 

Thanks for the help. Dang that sucks. Low compression FTL

[92CXyD]

Just deck the block 0.020" thats what I did w/ a y8 head I'm getting 8.03:1 comp.

[Joseph Davis]

good info MTZ but the OP was looking for vitara comp. with fjt's custom d15b usdm rods of 136.4mm which should get his comp. some where around 7.92:1 if he is using a d16z6 head.

 

Thanks for the help. Dang that sucks. Low compression FTL

If you think low compression is bad on a turbo motor, please log off of this site and never come back.

[patsmx5]

good info MTZ but the OP was looking for vitara comp. with fjt's custom d15b usdm rods of 136.4mm which should get his comp. some where around 7.92:1 if he is using a d16z6 head.

 

Thanks for the help. Dang that sucks. Low compression FTL

If you think low compression is bad on a turbo motor, please log off of this site and never come back.

+ 1e^{999999999999999999999999999999999999999999999}

[onlyflash944]

good info MTZ but the OP was looking for vitara comp. with fjt's custom d15b usdm rods of 136.4mm which should get his comp. some where around 7.92:1 if he is using a d16z6 head.

 

Thanks for the help. Dang that sucks. Low compression FTL

If you think low compression is bad on a turbo motor, please log off of this site and never come back.

+ 1e^{999999999999999999999999999999999999999999999}

i put that in my ti-89 and it almost died

[patsmx5]

good info MTZ but the OP was looking for vitara comp. with fjt's custom d15b usdm rods of 136.4mm which should get his comp. some where around 7.92:1 if he is using a d16z6 head.

 

Thanks for the help. Dang that sucks. Low compression FTL

If you think low compression is bad on a turbo motor, please log off of this site and never come back.

+ 1e^{999999999999999999999999999999999999999999999}

i put that in my ti-89 and it almost died

Limit: 1/x
x ---> 0

More friendly.

I've bogged my 89 down simultaneously solving 7 systems of equations, all with complex numbers.

[onlyflash944]

good info MTZ but the OP was looking for vitara comp. with fjt's custom d15b usdm rods of 136.4mm which should get his comp. some where around 7.92:1 if he is using a d16z6 head.

 

Thanks for the help. Dang that sucks. Low compression FTL

If you think low compression is bad on a turbo motor, please log off of this site and never come back.

+ 1e^{999999999999999999999999999999999999999999999}

i put that in my ti-89 and it almost died

Limit: 1/x
x ---> 0

More friendly.

I've bogged my 89 down simultaneously solving 7 systems of equations, all with complex numbers.

i love the ones where you mess up inputting something, then in the 8 minutes it takes it to solve it you realize your mistake and pull out a battery just to get your calculator back

[t_cel_t]

just click enter again, its stops it
try calculating an integral in 5d or higher >20min

[turboblack2door]

i just spoke with fjt and he said the compression is going to be 8:1-1

[onlyflash944]

i just spoke with fjt and he said the compression is going to be Holset approved

[ApexSilver06MR]

well you gotta take a few things into concideration..


what head used

what head gasket

shit like that

my shit is about 8.8:1  mad tyte jdm.  i will show you holset approved.....