:::RHMT::: Real Home Made Turbo
General Category => Hybrid/Tech => Topic started by: turboblack2door on April 17, 2009, 09:27:56 AM
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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
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Goto this link: http://www.zealautowerks.com/dseries.html (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
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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
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If it is the same as the d16 custom length it 138.65 mm ;D
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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
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look fjt's website he should have some specs.
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according to fjt's site 5.37"=136.4mm
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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)
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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.
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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.
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:P
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That's only a 6.9:1 CR in a DOHC ZC? Hrm. Joey is interested.
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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..
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I know. Seeing as how a ZC uses a D16 rod, interesting.
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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
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Just deck the block 0.020" thats what I did w/ a y8 head I'm getting 8.03:1 comp.
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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.
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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.
+ 1e999999999999999999999999999999999999999999999
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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.
+ 1e999999999999999999999999999999999999999999999
i put that in my ti-89 and it almost died
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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.
+ 1e999999999999999999999999999999999999999999999
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.
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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.
+ 1e999999999999999999999999999999999999999999999
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
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just click enter again, its stops it
try calculating an integral in 5d or higher >20min
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i just spoke with fjt and he said the compression is going to be 8:1-1
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i just spoke with fjt and he said the compression is going to be Holset approved
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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.....