Date: Fri, 08 May 1998 16:35:00 -0500 From: ch <chobbsnopsamst.net> Subject: Re: Change engine in ´89 900T
Justin Have you ever looked at the differences between the pistons on a 16v and an 8v? It may seem easy to you, but it aint. trust me. Colin Justin VanAbrahams wrote: > ch wrote: > > > > > My current project is a 1979 saab 99 that i'm current'y putting in a > > 16v engine and tranny (5sp) off an 88 900 Turbo. the reason anyone would > > want the 16v is the better performance. besides it's MORE expensive (in > > many cases ) to retrofit an aftermarket slap on than go with what saab had > > intended for on it's engine. All you have to do is to ecquire all the > > sensors from the vehicle that you are pulling the engine from and then > > creating your own custom sensor array. (i kinda feel like geordi LaForge) > > (preform a level 2 diagnostic on that sensor array)... > > But you are swapping an h-block 16v engine into a car that > had a b-block 8v engine... the h and the b are VERY different. > All Saabs after 1982 used the h-block, 16v and 8v engines > alike... There might be some subtle differences, but both > post-1982 8v and all 16v engines share the same block... > At least, according to Saab they do... Take a look at > engine codes... B201 is an h-block 8v engine and B202 is > an h-block 16v engine... they got the same block, different > head. > > As for the "sensors" - I don't know what you're referring to. > There is a mass airflow sensor (or air mass meter), an > O2 sensor, and a knock sensor. The fuel injection system > relies on the MAF sensor and the O2 sensor, but only the > APC system in turbocharged cars give a rat's ass about the > knock sensor... I am not sure what other sensors are even > in the car... you got a coolant temp sensor, I suppose... > > All 8v engines AFAIK use Bosch K-Jetronic fuel injection, > which is a CIS system... all 16v engines use Bosch LH Jetronic > injection, which is a pulsed system. But, a 16v engine > will run quite happily using the CIS system on an earlier > car. Some modification is necessary to mounting hardware, > but other than that.... > > -Justin
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