<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div dir="ltr"></div><div dir="ltr"><blockquote type="cite">On Dec 14, 2023, at 11:15 PM, Joe Plowick III <gtixpress@gmail.com> wrote:<br><br></blockquote></div><blockquote type="cite"><div dir="ltr"><span>I have a Pierburg pump as</span><br><span>well that didn't work for me last time I tried, and probably needs a</span><br><span>rebuild as well. I may have to dig that one out and see if it's got a</span><br><span>different design and better parts availability.</span><br></div></blockquote><br><div>I'd probably just rebuild that one if I were you. Wolfsburg West sells good diaphragms, with material from Effbe: <a href="https://www.wolfsburgwest.com/cart/DetailsList.cfm?ID=113127141WW">https://www.wolfsburgwest.com/cart/DetailsList.cfm?ID=113127141WW</a></div><div><br></div><div>The only difference between type 1 and type 3 pumps of this era is the spring size. Type 3 had a slightly thicker spring for higher fuel pressure. You could always swap over your original spring, although if you measure the fuel pressure and it's within spec, I wouldn't bother.</div><div><br></div><div>Soren</div></body></html>