l98 tpi vs lt1 swap in 280zx



Re: l98 tpi vs lt1 swap in 280zx

Postby philly » July 17th, 2014, 6:39 pm

grumpyvette wrote:yes its rear wheel hp, but that's still appallingly weak power numbers, compared to what can be accomplished with carefully selected and carefully assembled components especially if your not all that concerned with sticking to a 350 displacement limit, or overly concerned with low speed drive-ability,and mileage and emissions, like the engineers at G.M. were forced to be.
with todays components building an engine with at least 420-450 rear wheel hp is certainly within reach even to the average hobbiest.


totally agree :D
-phil

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Re: l98 tpi vs lt1 swap in 280zx

Postby 280zxSheik » November 22nd, 2014, 6:55 pm

Well I'm swapping this drive train in a 83 datsun so i dont need anything as outrageous as 500hp. I would be happy with 315 rwhp as of right now. I recently purchased a l05 from a buick roadmaster and will be pulling the tbi off and converting to tpi unit from a 90's fbody.
I found a set of aluminum l98 heads, (id like these so save a little weight but i heard the vortecs are significantly better) I'm unclear if you need the "special vortec tpi" lower intake manifold to go the vortec route.
I plan to run a speed density harness from a 91 fbody and a compatible ecm.
Also I don't plan on running emissions, what is done to remove the smog & a/c on the serpentine L05 5.7, is there a particular oil pan i should use to do the sbc swap in the s130 chassis?
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Re: l98 tpi vs lt1 swap in 280zx

Postby 280zxSheik » February 2nd, 2015, 12:08 am

Recent update to my 280zx build is I got over zealous with my motor selection and ended up buying a l05 5.7 out of a caprice, a lt1 out of a Buick road master and a lm7 5.3 from a gmc Denali. Right now the LT1 & LM7 are on stands, I put a complete tpi set up on the l05 tbi 5.7and that will be going in the 280zx. Unfortunately some accessories are missing. What starter should I use? Should I use the stock datsun battery cables and wiring? What can i eliminate from the stock TPI harness?
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Re: l98 tpi vs lt1 swap in 280zx

Postby philly » February 2nd, 2015, 2:53 am

i would make new cables, the stock zx stuff is prettty thin, and the stock battery location is like inches from the starter, not worth reusing the old stuff.

dont know if you ever saw it but JTR has a specific s130 datsun ZX section because its quite different than the s30 z stuff if you look at all the pictures of parts and read the detailed instructions it helps alot

http://www.jagsthatrun.com/Pages/Parts_ ... tions.html

http://www.jagsthatrun.com/Datsun-ZX_Order.html
-phil

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Re: l98 tpi vs lt1 swap in 280zx

Postby 280zxSheik » February 2nd, 2015, 1:52 pm

The motor has a roller cam l05 from a buick, can I use a distributor from an 86 305 tpi camaro?
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