86 tubro better then 88

is the 86 tubro a better tubro then whats on an 88
will it bolt right on

Originally posted by dutchboy:
is the 86 tubro a better tubro then whats on an 88 will it bolt right on

The 86's had a T3 while the 87-88's had an IHI. The IHI is a smaller turbo which won't handled as much boost (15-18lbs) or provide as much HP, however it spools up quicker so the lag time for the boost to kick in is less.

The T3 can be boosted up to 20-22lbs and provides more power but spools up quicker.

IMHO, the T3 is a good upgrade and will bolt right up.


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88TC 5spd, Shortblock with Crower 5.5" Sportsman Rods and Short Wiseco Pistons bored .030" Over, Ported Head with Polished Combustion Chambers, Gutted & Polished Upper, Ported & Polished Lower, Polished T/B, Ported E6, SVO T3 Turbo, 3" DP w/No Cat, RR Cam, Adjustable Cam Sprocket, K&N in Fenderwell, Gillis Boost Valve, Centerforce I Clutch, Removed A/C, Polished Wheels, Polished Valve Cover, Polished Crank and W/P Pullies, and the DAMN Heater Core is new too !

The T-3 will bolt right up.
The T-3 requires a different oil return line
than the IHI. You will have to do a little work hooking up the coolant supply and return circuit but that isn't too hard to fab with parts from a well supplied hardware store. You also need to take the compressor inlet from your IHI and put it on the T-3 for the extra vacuum ports. The inlets interchange with no modification.

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88 TC X 2, 86 SVO, Main TC with K&N, 3"DP to 2.5"duals through Dynamax, Ric valve at 17+ and disconnected KS.
Elite Bodega 16" chrome wheels. Autometer pod w/ A/F and Vac/boost gauges. New engine shortly, ported head and
manifolds, polished and cc'd chambers, A-230 cam, Race Engineering Adj Cam Sprocket, Crowlers, ARP head studs, Walbro 190 pump and T-3 for starters. KB subs
and jack rails.

[This message has been edited by Pete D (edited 05-18-2001).]